Open Chicago software jobs

Summary

Machine-learning engineering inside Cboe's Regulatory Division: prototyping, training, and deploying ML models and AI applications that surveil financial markets generating terabytes of data per trading day, in service of detecting violative behavior. Market-surveillance ML with scalable data engineering — a rare regulatory-tech specialization. Chicago based.

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A lead DevOps engineer (Riverwoods/Plano/McLean): leading teams on ML-and-microservices delivery infrastructure — Java/Python/Ruby/Go, Docker/Kubernetes, Ansible, Terraform on AWS. Wants 4+ years of DevOps plus 3 years of cloud-native experience.

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A second opening for the same API-gateway senior-engineer seat (Riverwoods/Chicago): API lifecycle ownership, infrastructure-as-code, system-reliability work, and cloud-native security across AWS and GCP for high-volume API services.

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A senior engineer owning the API-gateway layer in Cloud Operations Resilience Engineering: end-to-end API lifecycle management, IaC and CI/CD automation, incident management, and enterprise security standards (OAuth 2.0, mTLS, JWT) across AWS and GCP. Riverwoods/Chicago listing — platform-infrastructure engineering for mission-critical API services.

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A senior manager of software engineering — management of engineering teams building cloud-based microservices and full-stack systems, with enough technical depth to evaluate code and mentor. The usual Capital One stack and multi-site listing including Chicago and Riverwoods.

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A senior lead software engineer without a named sub-org: leading a portfolio of projects and a team of developers building distributed microservices and full-stack systems on AWS (JavaScript, Java, TypeScript, SQL, Python, Go). 6+ years; McLean/Richmond/Chicago/Riverwoods listed.

Summary

A backend-plus-AI role on Abbott's Go-based healthcare cloud: building cloud-native SaaS services and data workflows, then designing the AI layer — model integrations, inference services, and evaluation workflows — that powers health-insight features. The compliance surround is real (medical-device software, security standards), but the day-to-day is hands-on Go and AI-capability engineering. Abbott Park based.

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A senior generalist developer at Gallagher: designing, coding, testing, and maintaining complex programs, working directly with business stakeholders to define system scope under general direction. The JD is stack-light and scope-broad — expect enterprise line-of-business systems work at the Rolling Meadows hub.

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A back-end developer on the Microsoft stack: designing and maintaining RESTful APIs in C#/.NET Core, deploying on Azure, and optimizing SQL Server databases with complex query work. A meat-and-potatoes .NET API role at the insurance broker's Rolling Meadows engineering hub.

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A senior AI engineer at G2, the Chicago-HQ software-review marketplace, building AI systems on the company's large dataset of software reviews and buyer signals (now combined with Capterra, SoftwareAdvice, and GetApp). AI/ML engineering at the marketplace.

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A ServiceNow specialist at principal level: hands-on design and configuration of IRM/GRC solutions — regulatory-change, compliance-testing, and risk-assessment workflows — plus integrations between ServiceNow and enterprise systems, delivered in two-week sprints via Azure DevOps. Platform engineering on ServiceNow rather than general development. Chicago based.

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A support engineer (senior associate) for the PADS data platform: L1-L3 support from user queries through root-cause work with engineering teams, light scripting and tooling to smooth data-product integration, documentation, and training. A platform-support role with development touches, not a developer seat. Chicago based.

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A senior lead software engineering role of the consultative shape: advising business and IT management across the project cycle, designing systems and subsystems, and guiding junior staff. The JD is legacy-phrased and stack-light — expect enterprise financial-systems work defined by the team you land on. Chicago based.

Summary

A principal engineer in Northern Trust Asset Management's investments-technology group: architecting Java/Spring Boot services and data platforms with React fronts, deployed on Azure, for investment workflows. Wants 10+ years in financial services — a senior hands-on technical-leadership role in asset-management tech. Chicago based.

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Senior Linux platform engineering for the exchange's infrastructure: managing highly automated Linux systems, on-prem Kubernetes clusters, and system-level software/middleware, with automation in Python, Bash, and SaltStack plus RPM packaging and internal repositories. Listed across Overland Park, KC, NYC, and Chicago.

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A lead full-stack engineer listed for Riverwoods only — team leadership over cloud microservices and full-stack systems in the standard Capital One stack (JavaScript/Java/TypeScript/SQL/Python/Go, Docker/Kubernetes, AWS). 4+ years plus cloud experience.

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Senior lead full-stack engineering on the Global Payment Network, Riverwoods listed first: leading developer teams building distributed microservices for the payments network on AWS, mentoring across the engineering community, with occasional hands-on code. 6+ years.

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The Senior Distinguished Engineer tier for the Global Payment Network — setting technical direction across multiple domains and mission-critical payment platforms with executive partnership, scaling agentic-AI patterns across engineering teams. Remote-eligible (one of the few in this cluster), with Riverwoods among listed sites.

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A Distinguished Engineer for the Global Payment Network — evangelizing the technical vision for a portfolio of payment applications, decomposing complex problems, and explicitly leveraging agentic AI to accelerate modernization of the network's systems. A most-senior IC rung; McLean, Dallas, Richmond, and Riverwoods listed.

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A lead platform engineer specializing in Palo Alto network-security platforms within Cloud Operations Resilience Engineering — automation-heavy (Python, Ansible, Terraform, Docker/ECS) operation of firewall/security infrastructure in AWS. Riverwoods-only listing; infrastructure/security platform work rather than application development.

Summary

A principal security architect for identity and access management at Exelon: aligning IAM solutions with enterprise architecture standards through the solution-design-review process, developing IT standards, and guiding cloud-architecture patterns for the utility's environment. Governance-heavy architecture work; Oakbrook Terrace among the listed bases.

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A senior engineering manager on the Global Payment Network — the payments-network org that now includes the former Discover/PULSE network engineering based at Riverwoods. Leads full-stack teams building cloud solutions that must meet regulatory needs; McLean, Houston, and Riverwoods listed.

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A lead-level individual contributor in the same CompoZed Labs setup: pair-programming and test-driven development daily, coaching the team in those practices, owning CI/CD pipelines, and advocating across product portfolios as a multi-stack expert. Wants 5+ years of experience. Remote, Illinois-listed.

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An engineering-manager role in Allstate's CompoZed Labs community, anchored in extreme-programming practice: leading inceptions and iteration planning, shaping product architecture, establishing CI/CD pipelines, and serving as the team's technical anchor. Hands-on leadership in a paired, agile lab culture. Remote, Illinois-listed.

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An engineering manager for machine learning at United Airlines, leading a team building scalable, cloud-native ML solutions, including LLM and NLP work, on AWS with Python. A people-leadership role grounded in ML and data science. Chicago-based.

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A ServiceNow ITOM specialist at Exelon: deep technical configuration and scripting of Discovery, Service Mapping, and CMDB reconciliation — patterns, probes, sensors, MID-server troubleshooting — for IT asset management. Hybrid three days in office, and you must already live in the utility's service territories (IL, PA, NJ, DE, MD, DC); Chicago is one of the listed bases.

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A post-sale field systems engineer for public-safety radio systems: designing and implementing the fine details of customer radio-communications deployments in the IL/IN/IA/MO region. Telecommunications systems integration in the field — for radio/network systems engineers rather than software developers.

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A lead full-stack engineer on the Global Payment Network with Riverwoods listed first — team leadership on distributed microservices and full-stack payment-network systems on AWS; 4+ years software engineering plus a year of cloud.

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Principal Architect (Executive Director) for Business Banking at JPMorgan Chase in Columbus — sets architecture strategy for cloud-based platforms in the Consumer and Community Banking division, translates business needs into target-state architectures, and leads architecture reviews and governance. Senior-leadership IC role; partners across product, design, engineering, and controls.

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An AI engineering enablement and education lead at Optiver, partnering with the Head of AI Engineering to drive AI adoption and training across trading, technology, and business teams. An AI-education role rather than core engineering at the Chicago market maker.

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A senior FPGA engineer at DRW, designing hardware-accelerated logic for ultra-low-latency trading. Hardware/FPGA engineering at the Chicago prop trader.

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A lead ServiceNow developer at United Airlines configuring and optimizing the ServiceNow platform, including Field Service Management, IT Asset Management, and ITSM integrations. A ServiceNow-platform specialist role rather than general software development. Listed for Chicago and Houston.

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A solutions engineer in project44's logistics-service-provider division, acting as the primary technical contact who designs and implements the Movement supply-chain platform for customers. Customer-facing technical and pre-sales engineering. Listed as Chicago hybrid, though the posting body references the Amsterdam office, so confirm the work location before applying.

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A senior ServiceNow developer at DRW, configuring and extending the firm's ServiceNow platform for internal IT and workflow automation. A ServiceNow-platform specialist role (not core trading systems) at the Chicago prop trader.

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A staff-level backend engineer setting the technical direction for the platform behind Cameo, the Chicago marketplace where fans buy personalized videos from celebrities and creators. Senior individual-contributor work on the core systems that connect fans and talent. On-site at Cameo's downtown Chicago headquarters.

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A tools developer on the Worldwide Sales Effectiveness team — building and maintaining the everyday sales tools, data, and process automation Motorola's sellers and partners run on. Internal business-tooling development inside a sales organization rather than product engineering; remote, Illinois listed.

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A lead cryptographic engineer securing Capital One's cloud platforms: cryptographic solutions, key management, and enterprise security platforms for data-security services, built on serverless architecture that hundreds of teams consume. Deep crypto-engineering specialization; Riverwoods is among six listed sites.

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The fully-remote twin of Abbott's Senior SDET opening: design and code test-automation frameworks (Python; Appium, Selenium, Robot) for regulated product software, with the large majority of the day spent writing automation code rather than executing manual tests. Remote US.

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A hands-on SDET role the JD describes as almost entirely coding: building automation frameworks for unit, integration, UI, and mobile testing in Python with Appium, Selenium, and Robot, adapted to medical-device regulatory requirements. Exploratory testing only as needed to inform automation. Listed Abbott Park with a California-remote option.

Summary

Not a coding role — this is software design assurance for medical-device software: owning design-control activities and auditable traceability from user needs through verification, validation, and release, per IEC 62304 safety classifications. Scope covers cloud patient-care networks, mobile apps, and embedded device software. For a quality/regulatory-minded software engineer; based Pleasanton CA or Burlington MA.

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A principal ML architect at United Airlines leading the design of cloud-native ML platforms, including generative AI, LLMOps, and large-scale ML infrastructure with AWS, PyTorch, and Kubernetes. A senior technical architecture role in machine learning. Chicago-based.

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A forward-deployed engineer (level III) at ShipBob, a customer-embedded engineering role implementing and integrating the logistics-technology company's platform for merchants. Remote within the US.

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A security engineer at Optiver protecting and monitoring the firm's global cloud (AWS, M365) and on-prem systems, with incident response and security automation. Security engineering at the Chicago market maker.

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A test-engineering manager in the Supply Chain & Procurement Transformation organization — leading a team that develops and executes product testing strategy for quality assurance, including hiring and staff management. Hardware/product test management within supply chain rather than software QA; remote, Illinois among listed states.

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Senior backend engineering on the same Go-based healthcare cloud platform Abbott runs from Abbott Park: designing services and components for a global health-data system, integrating partner APIs for medical-data sharing, and contributing to architecture decisions alongside the data-services team. Emphasis on unit-testable, maintainable code and security collaboration with InfoSec.

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A senior data engineer at Belvedere Trading, building the data systems behind the firm's options market-making. Data engineering at the Chicago market maker.

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A research engineer on Jump Trading's pre-training team — quantitative researchers, engineers, and ML experts building large-model training systems. ML research engineering at the Chicago prop trader.

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A lead site reliability engineer on Jump Trading's Central Ops and Reliability Engineering team, owning the reliability of the firm's production infrastructure. SRE leadership at the Chicago prop trader.

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A senior lead full-stack developer who is the primary technical authority for Java/Spring Boot services with event-driven processing and cloud-native Azure deployments: owning design through production support, REST APIs integrating vended applications, and engineering standards for the team. Chicago based.

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A principal IT architect at United Airlines driving enterprise-architecture standards across cloud and on-premise platforms, setting technical strategy, ensuring compliance, and mentoring teams on DevOps, cloud, and security. A senior architecture role; listed for both Houston and Chicago.

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A systems engineer at the Elgin Experience Center for Solutions Integration — the staging facility where customer radio-communications systems are designed in detail, configured, and tested before deployment. Hands-on radio-systems staging and integration work with field teams; Elgin, IL based.

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A network-security operations engineering role centered on Palo Alto firewall platforms: building and automating firewall services with Python, implementing change requests from a ServiceNow queue, and troubleshooting incidents with network partners. Entry bar is modest (a year-plus of firewall experience); the work is security infrastructure, not application development. Remote, Illinois-listed.

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A quantitative developer at IMC owning the path from research to production — building backtesting and simulation infrastructure and signal/feature pipelines that turn quant research into live trading. Python quant-dev work at the Chicago market maker.

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A senior full-stack engineer on Enova's Platform Engineering team, building internal tooling and AI-powered developer tools that help the fintech's engineers ship faster and more safely, plus mentoring teammates. Requires several years of full-stack experience and some hands-on AI-tooling work. Hybrid in Chicago; no visa sponsorship.

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A software engineer on DRW's risk-systems team, building the systems that measure and manage the firm's trading risk. Risk-platform engineering at the Chicago prop trader.

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An enterprise AI/automation engineering role at Conagra: building copilots and AI assistants on Azure OpenAI, Copilot Studio, and Power Platform, defining prompt-engineering and RAG architecture standards, and orchestrating intelligent automation with Power Automate, UiPath, and Logic Apps. A Microsoft-stack automation architect in practice; listed Omaha and Chicago.

Summary

Full-stack engineering on Abbott's healthcare platforms at Abbott Park — React and Node on the front half, Go services on the back, building features and partner-facing APIs for medical-data sharing at global scale. Includes API contract design, security work with InfoSec, and a voice in architectural decisions.

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A lead solutions architect at ShipBob, the Chicago e-commerce fulfillment and logistics-technology company, acting as a senior technical lead on the merchant-facing platform. Customer and solutions-facing architecture work. Remote within the US.

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A senior software test engineer for embedded systems in the custom-products group at Schaumburg: testing the embedded software inside low-volume specialty communications products that Applied Technology engineers and manufactures in-house. Embedded QA/test for radio and security hardware.

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The senior (non-lead) tier of the cyber cryptographic engineer role: engineering cryptographic integrity, key management, and security platform solutions for cloud applications, ML, and big-data workloads across Capital One. Same centralized serverless security team; Riverwoods listed.

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A principal software-engineer role at JPMorgan Chase on the new digital insurance platform. Architects and builds core technical systems (policy management, quoting engines, carrier integrations, AI-powered customer experiences), designs and implements agentic workflows and LLM-powered features, coaches teams on AI coding tools and agentic design patterns. Principal IC with technical-leadership and AI-augmented-engineering advocacy.

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An RF hardware engineer on Jump Trading's Trading Infrastructure team, designing the radio-frequency hardware behind the firm's low-latency market connectivity. Hardware engineering at the Chicago prop trader.

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A digital-modem engineer on Jump Trading's Trading Infrastructure team, building the low-level signal-processing hardware behind the firm's market connectivity. RF/hardware engineering at the Chicago prop trader.

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A security engineer on DRW's client-platforms (endpoint) team, securing the firm's employee devices and the systems they access. Endpoint-security engineering at the Chicago prop trader.

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Senior lead full-stack engineering on the Global Payment Network — one more seat in the Riverwoods/McLean/Houston hiring cluster, leading developer teams on cloud microservices for payments with occasional hands-on coding. 6+ years.

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An enterprise-architecture role for Exelon's asset-management platform: setting technical direction for the EAM platform within the architecture-and-strategy team, aligning IT solutions with architectural standards, and participating in technology pilots. Architecture governance rather than development; listed across Oakbrook Terrace/Chicago and east-coast hubs.

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A senior software engineer on DRW's Unified Platform, building the trade-management, order-processing, and platform-services systems. Trade-lifecycle backend engineering at the Chicago prop trader.

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Embedded software engineering with a security bent in the Applied Technology group: building cyber-hardened embedded systems for specialty government/public-safety products, in an organization whose specializations include reverse engineering and signals intelligence. Schaumburg based.

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An entry-level FPGA role on the RF Site Access digital team at Schaumburg: developing digital designs and firmware for the FPGAs inside radio-site controller equipment — capturing requirements and writing C, VHDL, and Verilog. A genuine new-grad-friendly hardware-adjacent firmware seat, rare on this board.

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A Salesforce engineer on the Global Payment Network: Apex, Visualforce, Lightning, SOQL, and REST/SOAP integrations alongside general web work (Angular/React, Java). Wants 3+ years of Salesforce engineering; certification preferred. Houston or Riverwoods.

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An entry-level associate software engineer (2026 campus hire) at CTC, joining the firm's trading-technology org. New-grad engineering at the Chicago options market maker.

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A FedRAMP assessment engineer: executing and leading security assessments of cloud service providers as part of one of the original FedRAMP-accredited 3PAOs, covering IaaS, PaaS, and SaaS environments. Compliance-assessment and cloud-security engineering rather than product development; remote with Illinois among the listed states.

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A senior manager and solutions architect at United Airlines leading the design and delivery of Workday-based HR-technology solutions across Workday HCM, compensation, reporting, and ServiceNow. An HR-systems and Workday architecture leadership role rather than product engineering. Hybrid in Chicago.

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A cloud-security architect in Gallagher's global cyber organization: maturing the cloud-security architecture approach, authoring standards and reference designs, and reviewing solutions with infrastructure and business teams worldwide. Security architecture and influence rather than hands-on engineering; contract (temp-to-hire W-2), remote US.

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A senior staff DevOps/infrastructure engineer for Motorola's cloud-based video-management products (public-safety and enterprise video security): building the high-performance, ultra-reliable cloud foundations under the video platform. Infrastructure engineering at staff level; Chicago hybrid.

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An infrastructure-engineering lead on Optiver's US Enterprise Infrastructure team in Chicago, leading a team building the firm's hybrid infrastructure and trading-workstation systems. Infrastructure leadership at the market maker.

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A quant-developer hybrid at the exchange itself: building quantitative models and software that process real-time market data in a high-performance environment, improving analytical data quality, and writing the specs and documentation around Cboe's data products. Hard requirement of 5+ years in financial markets (market data, reference data, or risk). Hybrid Chicago, Overland Park KS, or NYC.

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An infrastructure engineer at Jump Trading owning the production layer for the firm's deployed AI capabilities. AI-infrastructure engineering at the Chicago prop trader.

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A data-center engineer for IMC handling the physical setup, maintenance, and troubleshooting of servers and network hardware across colocation facilities. The posting names Somerset, NJ as the work location though it surfaces on IMC's Chicago board, so confirm the location before applying.

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A senior lead full-stack engineer on the Global Payment Network, listed Riverwoods and McLean: portfolio-and-team leadership over distributed microservices for the payments network, with mentoring across the engineering community and the usual polyglot AWS stack.

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A Sitecore CMS specialist lead: configuring and developing within Sitecore (Experience Accelerator, headless sites), guiding feature design, and coaching newer team members — with full-time pair-programming and test-driven development as the stated working style. Remote; for an experienced Sitecore developer specifically.

Summary

A people-leading platform role: manage the infrastructure-as-code team driving Terraform/CloudFormation/PowerShell automation across Allstate's on-prem and AWS/Azure hybrid estate, with reusable modules, self-service provisioning, and an infrastructure-as-product mindset as the goals. Remote, Illinois-listed.

Summary

An unusually specific AI role: building agentic AI pipelines for enterprise semantics — RDF/OWL ontologies, SPARQL reasoning over knowledge graphs, LLM-powered schema understanding and metadata generation — plus Python microservices and Microsoft Fabric (Lakehouse/Spark) pipelines that turn it into business-ready star schemas. For someone at the data-engineering/knowledge-representation/LLM intersection. Remote, Illinois-listed.

Summary

A principal engineer setting technical direction for Enova's internal platform: the shared infrastructure, tooling, and developer-experience components used across the fintech's engineering org, spanning IT, tech ops, and platform software. Strong remit to drive responsible adoption of AI in how engineers build software. Hybrid in Chicago; no visa sponsorship.

Summary

A site reliability engineer on DRW's algorithmic-trading systems, owning the reliability of the live-trading production environment. SRE work at the Chicago prop trader.

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An Azure infrastructure engineer building the bank's landing zones and platform plumbing: virtual networks and private endpoints, Container Apps/App Services/Functions, Key Vault, RBAC/Entra ID — with a notable second half partnering with Java teams on containerization, JVM tuning, and CI/CD rollout patterns. Chicago based.

Summary

Despite the engineer title, this reads as a fixed-income domain-SME/architect role: serving as subject-matter expert across rates, credit, municipals, and derivatives workflows, owning the requirements lifecycle (BRDs, functional specs, data mappings), and steering target-state architecture with engineering teams. Best fit for someone who knows fixed-income trading systems deeply. Chicago based.

Summary

A senior lead driving SRE adoption across Northern Trust through a Community of Practice: implementing SRE frameworks and governance, defining SLO/SLI/error-budget metrics, and running forums and training to scale reliability practice across engineering teams. Enablement leadership rather than on-call SRE work. Chicago based.

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A senior engineer on the AI Services team working with audio data and machine learning — designing systems that apply ML to public-safety workflows (faster response, safer outcomes, greater transparency), with workflow development and system integration around the models. Chicago is among several listed sites.

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An identity-governance engineer maturing Cboe's enterprise IGA platform: identity lifecycle management, RBAC/ABAC access governance, and certifications across hybrid on-prem/cloud environments using platforms like Microsoft Entra ID and SailPoint/Saviynt. Security-platform engineering with a mentoring component; four days in office, Chicago or Overland Park.

Summary

A medical-device systems-engineering role: translating customer and regulatory needs into system requirements, running risk management per ISO 14971 and IEC 62304, and leading technical risk and defect resolution across a device program. Requirements-and-risk work rather than coding. Skaneateles NY or remote US.

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A senior developer at United Airlines designing and optimizing large-scale, cloud-based enterprise applications with Angular and AWS, making architectural decisions and mentoring junior developers. Front-end-leaning full-stack engineering. Chicago-based.

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A senior Salesforce business analyst at United Airlines, translating business needs into technical requirements and supporting Agile delivery on the Salesforce platform. This is a business-analyst and requirements role focused on Salesforce, not core software development. Chicago-based.

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A DevOps engineer at DRW, building the CI/CD and infrastructure-automation the firm's engineering org runs on. DevOps/infrastructure work at the Chicago prop trader.

Summary

The generic title hides a specialist: this is a TeamConnect (enterprise legal-management platform) Java developer — customizing and extending TeamConnect is a stated requirement — building Spring Boot microservices, React front-end components, SQL Server procedures, and Kafka event integrations around it. Remote, Illinois-listed; strongest fit for someone who has actually worked in TeamConnect.

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A senior Salesforce engineer at G2, building and customizing the company's Salesforce platform. A Salesforce-platform engineering role at the Chicago software marketplace.

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A senior database architect on Gallagher's global database-architecture team, specializing in migrations — designing and executing moves from on-prem to cloud while optimizing performance and data integrity, building integration processes between systems, and producing thorough diagrams and documentation. Rolling Meadows listed.

Summary

A first-line engineering lead for Enova's Site Reliability team, owning production reliability, observability, and incident recovery across the fintech's portfolio of lending businesses. A senior SRE-leaning role stepping into formal team leadership, weighted toward deep application troubleshooting over pure infrastructure automation. Hybrid in Chicago; no visa sponsorship.

Summary

The senior-lead tier of the Cloud Operations Resilience Engineering full-stack track: 6+ years, leading diverse technology projects and developer teams on cloud solutions, with occasional hands-on coding expected. Standard Capital One AWS stack; Riverwoods, IL listed.

Summary

A lead full-stack engineer in Cloud Operations Resilience Engineering — the org that keeps Capital One's cloud platforms operable and resilient. Team leadership over microservices and full-stack systems on AWS; JavaScript/Java/TypeScript/SQL/Python/Go. Chicago and Riverwoods among listed sites.

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Senior-lead variant of the Enterprise Platforms full-stack role: 6+ years, portfolio leadership across distributed microservices and full-stack systems, mentoring the engineering community, with the standard Capital One AWS/polyglot stack. Chicago and Riverwoods both listed.

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A lead full-stack engineer in Enterprise Platforms Technology: leading a team on cloud-based solutions in JavaScript/TypeScript, Java, Python, and Go with Docker/Kubernetes on AWS. One of a cluster of near-identical platform-org leadership reqs spanning McLean, Richmond, Chicago, and Riverwoods.

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A senior HCM systems analyst on CTC's HR-operations team — a Workday/HR-systems role, not trading-systems or product engineering, at the Chicago options market maker.

Summary

A senior FPGA engineer at Akuna, designing hardware-accelerated logic for the firm's ultra-low-latency options trading. Hardware/FPGA engineering at the Chicago market maker.

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A quality-engineering manager at United Airlines leading test-automation initiatives across digital projects with Java, Selenium, and cloud tooling, and mentoring QA teams. A test-automation leadership role. Chicago-based.

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A senior-principal software-engineer role at JPMorgan Chase's Global Customer Platform — advises and leads on strategy and development of multiple products across a portfolio. Creates novel code solutions, drives new production capabilities across teams, and translates highly complex technical issues for leadership. Senior individual-contributor leadership track.

Summary

A senior-director-of-software-engineering role at JPMorgan Chase's Global Customer Platform — leads multiple technology and process implementations across departments. Directly manages multiple areas with strategic transactional focus, acts as primary interface with senior leaders, drives consensus across competing objectives. 15+ years required; senior executive engineering leadership.

Summary

A transmission-and-substation reliability-programs engineer at Oakbrook Terrace: converting approved engineering recommendations into executable scopes, schedules, and work plans, and coordinating cross-functional execution of reliability programs. Power-delivery program engineering with storm-coverage expectations — for grid engineers, not software developers.

Summary

A quant role applied to the power grid: partnering with data scientists to productionize predictive models for grid reliability and asset health, building user-facing analytical tools and Power BI dashboards, and integrating AMI, SCADA, and GIS data into enterprise analytics. Sits between data science and engineering at Exelon's Oakbrook Terrace campus.

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A senior AI engineer at Geneva Trading (Chicago), building AI/ML systems where engineering directly impacts the firm's trading. AI engineering at the prop trader.

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The Director of AI Engineering at Geneva Trading (Chicago), leading the firm's AI-engineering function as a competitive trading edge. AI-engineering leadership at the prop trader.

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A principal R&D engineer at Silvus Technologies (Motorola's MANET radio subsidiary, with DARPA-research roots) working on advanced mesh-network communications — the StreamCaster MANET radios and MIMO waveforms used by defense and public-safety agencies. Advanced comms R&D; remote with Illinois or Southern California listed.

Summary

A Power BI developer designing and modeling datasets, reports, and dashboards on the Microsoft BI stack, partnering with leadership and subject-matter experts to translate business needs into analytics. Temp-to-hire, fully remote US. For a BI specialist; the data-modeling half matters as much as the dashboarding.

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A senior software engineer on DRW's DeFi effort, building systems for on-chain and decentralized-finance trading. Blockchain/DeFi engineering at the Chicago prop trader's Cumberland arm.

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Another senior-lead seat on the Global Payment Network's full-stack engineering ladder (Riverwoods listed first): leading developer teams on regulatory-grade cloud solutions for the payments network. The cluster of near-identical reqs signals a substantial Riverwoods hiring push.

Summary

Senior manager, software engineering for the Global Payment Network with Riverwoods listed first — engineering management over the payment-network platform teams at the former Discover campus, with the standard cloud/full-stack technology base and occasional hands-on involvement.

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A Python production-reliability engineer on a Jump Trading trading team, owning the reliability of real-time trading systems. SRE/Python work in the live-trading path at the Chicago prop trader.

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A software-architecture authority role for customer service and communication platforms: design decisions, integration patterns, API reviews, and engineering enablement across multiple teams, with only ~5-10% hands-on coding by the JD's own estimate. For a senior architect who leads through influence; remote, Illinois-listed.

Summary

A principal domain architect at United Airlines setting enterprise-connectivity strategy: network and security integration, reference architectures, and infrastructure-automation standards across cloud and security domains. A senior network and infrastructure architecture role; listed for Chicago and Houston.

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A senior production software engineer at Optiver, building deployment pipelines and production-environment monitoring to make the firm's trading changes faster and safer. Production/DevOps engineering at the Chicago market maker.

Summary

A hands-on principal Java engineer: clean-code/TDD development with explicit emphasis on adopting AI-assisted development tooling to lift team productivity, plus Azure cloud-native design and DevOps pipeline improvement. Listed Chicago and Naperville — one of the few rows naming the DuPage office.

Summary

An FPGA engineer at Belvedere Trading, designing hardware-accelerated logic for the firm's low-latency options trading. Hardware/FPGA engineering at the Chicago market maker.

Summary

Another opening on Abbott's Go-based healthcare cloud team at Abbott Park: high-volume, low-latency platform services, partner API integrations for medical-data sharing, internal tooling, and secure-design work with InfoSec. Same team posts several reqs at this level — the work is backend Go services for a global health platform.

Summary

A backend Go engineer role on Abbott's cloud health-data platform at the Abbott Park campus — building high-volume, low-latency services and partner-facing APIs that let users share medical data with outside systems. The work spans API contract design, secure-solution collaboration with InfoSec, and internal tooling, with a hand in architectural decisions. For a Go (or Go-curious backend) developer who wants regulated healthcare scale.

Summary

A principal architect at United Airlines leading the architecture and strategy for its baggage-scanning suite of applications, setting technical standards for large-scale systems across microservices, mobile, and generative AI. A senior architecture role. Chicago-based.

Summary

The real role: a Microsoft Dynamics 365 lead developer and SME — the trusted authority on D365 capabilities, architecture, and best practices, partnering with stakeholders and delivery teams to keep D365 solutions scalable and aligned with the business. A platform-specialist lead, not general application development. Rolling Meadows listed.

Summary

A hands-on senior cybersecurity architect and systems engineer inside Applied Technology's rapid-prototyping center at Schaumburg: comprehensive security work across proof-of-concept and specialty communications products spanning TETRA, LMR, LTE, WiFi, and embedded systems. Security engineering for wireless/embedded environments.

Summary

A senior engineering manager in Intelligent Foundations & Experiences — people-and-portfolio leadership over teams building cloud microservices and full-stack systems, still close enough to the work to code or review occasionally. Same AWS/Java/Python/Go stack as its sibling reqs; Riverwoods, IL listed among sites.

Summary

A senior data analyst on IMC's FP&A team building dashboards and data pipelines for HR/people analytics — a technical analytics role partnering with HR and Finance, not trading-systems engineering, at the Chicago market maker.

Summary

A senior business-intelligence engineer at Enova, the Chicago online-lending fintech, building and maintaining the reporting and analytics applications that drive decisions across finance, marketing, operations, and compliance. Pairs requirements-gathering with hands-on BI development and includes using AI tooling to speed up insight delivery. Hybrid in Chicago; no visa sponsorship.

Summary

A Linux engineering team lead at CTC, leading the team that builds and operates the firm's Linux trading infrastructure. Systems-engineering leadership at the Chicago options market maker.

Summary

A quantitative-development software engineer at Optiver, building the backtesting, simulation, and experimentation infrastructure that powers systematic trading. Quant-dev engineering at the Chicago market maker.

Summary

A network transport architect on Jump Trading's global connectivity-infrastructure team, designing the low-latency network transport between markets. Network engineering at the Chicago prop trader.

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The most distinctive req in the cluster: a lead platform engineer for HPE NonStop — pTAL, TAL, TACL, Enform, SQL — the fault-tolerant mainframe stack that runs the payment network's switch (the former Discover/PULSE backbone). Modern delivery practices (Python/Ansible/Terraform/ECS) wrapped around genuinely rare legacy-platform skills. High-school diploma plus 6 years of build/deploy experience is the stated bar.

Summary

A trade-support engineer at Geneva Trading (Chicago), the primary technical contact for the trading desks, sitting between traders and engineering. A production-support engineering role at the prop trader.

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A senior Clojure engineer on DRW's finance-systems team, building the internal finance and back-office software. Functional-programming backend work at the Chicago prop trader.

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A senior lead full-stack engineer (no sub-org named, same payment-network cluster): 6+ years, leads diverse projects and a developer team on AWS microservices, JavaScript/Java/TypeScript/SQL/Python/Go. McLean, Houston, and Riverwoods listed.

Summary

Senior-lead tier on the Global Payment Network full-stack track: 6+ years, leading a portfolio of payment-network technology projects with occasional hands-on code, on the standard Capital One AWS stack. Houston, McLean, and Riverwoods listed.

Summary

A lead full-stack engineer on the Global Payment Network (Houston/McLean/Riverwoods): leading a developer team on cloud-based payment-network solutions in JavaScript, Java, TypeScript, SQL, Python, and Go with Docker/Kubernetes on AWS. 4+ years required.

Summary

A lead full-stack engineer on the Global Payment Network listed for Riverwoods and McLean only: team leadership on distributed microservices and cloud solutions supporting the payments network. 4+ years software engineering plus cloud experience.

Summary

An HPC data-center production engineer at Jump Trading (Chicago or NYC, on-site), building and operating the HPC data-center infrastructure behind the firm's research. Hardware/HPC infrastructure work at the Chicago prop trader.

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The Head of Engineering for DRW's Algorithmic Trading Group — a management role owning the org that builds the firm's algo-trading systems. Engineering leadership at the Chicago prop trader.

Summary

A lead engineer for Allstate's enterprise application-monitoring/observability platform — setting technical standards, promoting test-driven development, and shaping platform strategy and reusable patterns across application and infrastructure domains. Reads as an architecture-and-influence role more than a feature-coding one. Remote, Illinois-listed.

Summary

A senior data engineer on DRW's Unified Platform, building the firm-wide data systems shared across desks. Data-platform engineering at the Chicago prop trader.

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A quantitative developer on DRW's mid-frequency equities team, building the systems that turn quant research into live equities strategies. Quant-dev work at the Chicago prop trader.

Summary

A systems engineer at Akuna, building and operating the firm's trading-systems infrastructure. Systems engineering at the Chicago options market maker.

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A senior software engineer on DRW's Unified Platform reference-data team (mid-frequency), building the reference-data systems underpinning trading. Backend/data engineering at the Chicago prop trader.

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A senior principal owning the SDLC toolchain itself: service delivery and SLA management across Azure DevOps, GitHub (Actions, Copilot), SonarQube, Checkmarx SAST/SCA, WIZ, and ServiceNow, plus Terraform IaC pipeline governance. Platform-engineering leadership over developer tooling rather than feature work. Chicago based.

Summary

An integration-architecture role in Waukegan: designing on-prem and cloud integration solutions on TIBCO, MuleSoft, and Azure Logic Apps, and leading the architecture of cloud microservices and TIBCO applications. Includes technical leadership of development teams, code reviews, and integration-layer troubleshooting. For an integration specialist rather than a product developer.

Summary

A senior full-stack engineer on the Evidence Management features of Motorola's public-safety platform (GCP): owning major features end-to-end — from proposing video-extraction architectures to defining service contracts for AI-generated metadata — primarily as an IC with periodic tech-lead duty. Chicago hybrid.

Summary

A system-operations engineer at Geneva Trading (Chicago), maintaining and operating the firm's trading systems and infrastructure. Operations/SRE-leaning engineering at the prop trader.

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A software engineer building developer tooling for DRW's Cumberland/FICCO desks — the internal tools traders and engineers rely on. Developer-tooling engineering at the Chicago prop trader.

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A software-engineering manager on Belvedere Trading's Trade Selection team, leading the engineers behind the firm's trade-selection systems. Engineering management at the Chicago options market maker.

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A quality-engineering manager at United Airlines driving test automation and applying generative AI to software quality while mentoring QA teams with Selenium, CI/CD, SQL, and AWS. A test-automation leadership role. Chicago-based.

Summary

An associate (early-career) data engineer supporting Gallagher's enterprise data integrations and pipelines: building integration workflows to spec, maintaining design docs and test plans, and automating manual processes. Temp-to-hire W-2 contract, fully remote US — a reasonable on-ramp into enterprise data engineering if the contract terms suit.

Summary

A data-engineering manager owning Gallagher's data-delivery architecture across projects: leading and mentoring data engineers and data scientists, overseeing deliverables, and keeping integration and data architecture consistent. Temp-to-hire W-2 contract, fully remote US — a leadership role on contract terms, which is worth noting before applying.

Summary

A lead engineer in Capital One's Intelligent Foundations & Experiences organization, heading a team building distributed microservices and full-stack systems on AWS — Java, Python, Go, Node, SQL, Docker/Kubernetes. Listed across McLean, Richmond, Chicago, Plano, and the former Discover campus in Riverwoods, IL. Wants 4+ years plus cloud experience.

Summary

An enterprise-technology support engineer in Optiver's Chicago office, the primary contact for IT support and internal systems. An IT-support role rather than trading-systems engineering at the market maker.

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An applied-AI engineer driving AI adoption across Jump Trading — the primary technical contact helping teams integrate AI into their workflows. AI-enablement engineering at the Chicago prop trader.

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The technical lead for Motorola's Evidence Domain — the digital-evidence management side of its public-safety software, built exclusively on Google Cloud Platform. Drives multi-sprint technical strategy, turns vague product requirements into scalable asynchronous architecture, and oversees engineering quality. Chicago hybrid.

Summary

A quantitative developer embedded with a Jump Trading trading team, building the systems that turn quantitative research into live trading. Quant-dev work at the Chicago prop trader.

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Embedded software development in Motorola Solutions' Applied Technology group at Schaumburg — the in-house skunkworks for software-defined radios, AI/ML, cybersecurity, and signals intelligence, where products are engineered start-to-finish and manufactured on site. Low-volume, high-capability specialty systems work for public-safety and government customers.

Summary

A production AI/ML engineering role spanning Python and Java: building LLM, RAG, vector-search, and agent-framework applications (LangChain, LlamaIndex, Hugging Face, Bedrock/Azure OpenAI) and integrating them into Java-based enterprise systems. Hybrid from Allstate's pods including the Chicago Merchandise Mart and Chicago-suburban sites.

Summary

Platform engineering for Allstate's Microsoft 365 estate: infrastructure-as-code, continuous-delivery frameworks, and full-visibility monitoring (Datadog, New Relic, Azure Monitor) plus a logging-as-a-service layer on open-source foundations. An operations-engineering role at expert level, not application development. Remote, Illinois-listed.

Summary

A senior engineer on CTC's systematic-trading team, building the systems behind the firm's systematic options strategies. Trading-systems engineering at the Chicago market maker.

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A mid-level systems engineer on Geneva Trading's Core Infrastructure team in Chicago, building and operating the firm's trading infrastructure. Systems engineering at the prop trader.

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A principal systems engineer in Applied Technology at Schaumburg — the group that takes public-safety specialty products from concept through in-house manufacture across software-defined radio, antenna, AI/ML, and signals-intelligence domains. Senior system-level design across hardware/software boundaries.

Summary

A senior software engineer on DRW's Cumberland/FICCO data team, building the data systems behind those desks' trading. Data-platform engineering at the Chicago prop trader.

Summary

A junior software engineer on Geneva Trading's Proprietary Trading Group in Chicago (the Loop), building trading-systems and OS-level software. Entry-level trading-systems engineering at the prop trader.

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A senior C++ engineer on CTC's market-data team, building the low-latency market-data systems feeding the trading engines. Performance-critical C++ engineering at the Chicago market maker.

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A senior C++ engineer on CTC's options market-making execution team, building the low-latency systems in the live-trading path. Performance-critical C++ engineering at the Chicago market maker.

Summary

The senior-lead step of the same Intelligent Foundations & Experiences track: leading a portfolio of technology projects and a team of developers on distributed microservices and full-stack systems (Java/Python/Go/Scala on AWS), with occasional hands-on code. 6+ years required; Riverwoods, IL is among the five listed sites.

Summary

A senior software engineer at Tovala, the Chicago food-tech company behind the smart oven plus meal-delivery service, building across its hardware, software, and e-commerce/fulfillment stack. Product engineering at the consumer-tech startup.

Summary

An Azure cloud-architecture engagement at Gallagher: creating the technology framework for cloud transformation, leading end-to-end technical solutions, and coaching teams across the organization. Note the terms — this is a temp-to-hire W-2 contract (no 1099/C2C), fully remote within the US, with work-authorization requirements spelled out in the posting.

Summary

One of several concurrent lead full-stack openings on the Global Payment Network as Capital One builds out the network engineering organization spanning McLean, Houston, and the Riverwoods campus: team leadership, microservices on AWS, polyglot stack, regulatory-grade delivery.

Summary

A solutions architect at project44, the Chicago supply-chain-visibility company, working with customers to design and implement its Movement logistics-data platform. Customer-facing technical and pre-sales work on freight-technology integrations rather than core product engineering. Hybrid in Chicago, with relocation assistance offered.

Summary

A GenAI platform-enablement engineer for Allstate's analytics platform: running proof-of-concepts and demos across Vertex AI, Azure AI Foundry, OpenAI, Bedrock, and SageMaker, building the continuous-delivery pipelines and infrastructure layer underneath, and leading post-mortems on platform operations. As much platform/infra engineering as AI. Remote, Illinois-listed.

Summary

A senior manager leading United Airlines' AI platform engineering, owning the strategy, architecture, and operations of its generative-AI and ML platforms and mentoring teams to deliver AI at scale. A leadership role over platform and ML engineering. Chicago-based.

Summary

A Python software engineer on DRW's prediction-markets effort, building the trading systems for that emerging market. Python engineering at the Chicago prop trader.

Summary

A platform engineer for DRW's Cumberland/FICCO desks, building the shared platform and infrastructure those desks run on. Platform engineering at the Chicago prop trader.

Summary

A principal developer at United Airlines leading the design of high-scale, AWS-powered customer-data and identity platforms, including identity-resolution and privacy work with .NET and MongoDB. A senior hands-on engineering role. Chicago-based.

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A senior AI/ML engineer at CTC, building machine-learning systems applied to the firm's quantitative research and trading. ML engineering at the Chicago options market maker.

Summary

A lead full-stack engineer for Private Passport — Northern Trust's wealth-management digital platform — owning end-to-end design across web, API, and backend services, with hands-on coding, code-review leadership, and mentoring. Consumer-grade reliability expectations inside a custody bank. Chicago based.

Summary

A lead full-stack engineer on the Global Payment Network: leading a developer team on distributed microservices for the payments network, in the JavaScript/Java/TypeScript/Python/Go on AWS stack. 4+ years; Houston, McLean, and Riverwoods, IL listed.

Summary

A genuinely rare stack: senior mainframe development and systems-software support on z/OS — COBOL, PL/1, strong Assembler, CICS, DB2, JCL — including re-creating primitive CICS systems in lower environments and proposing modernization paths. For an experienced mainframe engineer; Chicago based.

Summary

A senior lead data engineer who reads more architect than pipeline-builder: evangelizing data strategy, leading proof-of-concepts, setting architecture direction for engineers, and aligning initiatives to a target-state technology roadmap. Stakeholder-heavy; Chicago based.

Summary

A full-stack .NET developer in the Applied Technology organization at Schaumburg — building software within the specialty-products group that engineers government and public-safety communications systems in-house, from software-defined radios to AI and cybersecurity tooling.

Summary

A senior Java engineer on CTC's trade-capture team, building the systems that record and process the firm's trades. Java backend engineering at the Chicago options market maker.

Summary

A Java engineer on CTC's compliance-technology team, building the systems that keep the firm's trading compliant. Java backend engineering at the Chicago options market maker.

Summary

A software-engineering manager on Belvedere Trading's Position Management team, leading the engineers who build the firm's position-tracking systems. Engineering management at the Chicago options market maker.

Summary

A senior software engineer on DRW's middle-office analytics team, building the analytics, risk, and position systems behind the trading desks. Backend engineering at the Chicago prop trader.

Summary

A second pipeline-building req for the same Schaumburg critical-communications team: designing, developing, and unit-testing software supporting data-center and cloud infrastructure for mission-critical networks. Like its sibling posting, it is relationship-building for future demand rather than an open seat — the JD says so explicitly.

Summary

Worth knowing before you click: this is a talent-pipeline posting — there is no immediate opening; matching candidates get an exploratory conversation. The role itself is software engineering for the data-center and cloud infrastructure behind Motorola's critical-communications networks at Schaumburg.

Summary

The title hides the role: this is a Workday HRIS integrations developer — building integrations between Workday and third-party systems using Workday Studio, Core Connectors, and EIBs, supporting the full integration lifecycle for HR initiatives. Includes on-call support and SLA-bound operational tickets, with offshore-team collaboration. Wants 7-8 years of hands-on Workday integration experience; Abbott Park based.

Summary

A hardware ML engineer at IMC deploying machine learning directly onto custom hardware, co-designing ML models with trading hardware from the ground up. Hardware/ML research engineering at the Chicago market maker.

Summary

An operations developer on IMC's Middle Office technology team, building custom data pipelines and internal tools for reconciliation, reporting, and trade processing. Middle-office data engineering at the Chicago market maker.

Summary

A senior developer at United Airlines working on Oracle ERP and EBS finance-systems implementations, designing custom solutions and leading end-to-end ERP work. Oracle ERP and Fusion development on enterprise finance systems. Chicago-based.

Summary

A software engineer on DRW's Cumberland market-data team, building the market-data systems feeding the crypto-trading desks. Data-infrastructure engineering at the Chicago prop trader.

Summary

A software engineer on the Optiver Research Platform (ORP), building and improving the high-performance compute and research-tooling services. Platform engineering at the Chicago market maker.

Summary

A senior software engineer on the Optiver Research Platform (ORP), building the orchestration, scheduling, and big-data services that power the firm's global research. Platform/infrastructure engineering at the Chicago market maker.

Summary

A senior C++ engineer embedded with a DRW trading desk, building the low-latency systems in the live-trading path. C++ trading-systems engineering at the Chicago prop trader.

Summary

A Python software engineer on DRW's trading-platform team, building the platform the firm's desks trade on. Python platform engineering at the Chicago prop trader.

Summary

An FPGA/hardware engineer at Optiver building hardware-based, low-latency trading systems end-to-end alongside traders. Hardware engineering at the Chicago market maker.

Summary

A middle/back-office developer at Geneva Trading, the Chicago principal trading firm, building the internal systems for trade processing and operational workflows. Back-office software engineering at the prop trader.

Summary

A senior software engineer on DRW's front-office analytics team, building time-critical analytics systems used directly by the trading desks. Low-latency backend engineering at the Chicago prop trader.

Summary

A performance engineer at Akuna, optimizing the firm's low-latency trading systems for speed and efficiency. Performance/systems engineering at the Chicago options market maker.

Summary

A data-engineering software engineer at Akuna, building the data systems behind the firm's trading and research. Data engineering at the Chicago options market maker.

Summary

A C++ software engineer on Akuna's Trading Strategies team, building the systems behind the firm's options market-making strategies. C++ engineering in the trading path at the Chicago market maker.

Summary

A C++ software engineer at Akuna Capital, building the firm's low-latency options market-making technology. C++ trading-systems engineering at the Chicago market maker.

Summary

A Workday platform developer at Aon's Chicago office: building integrations with Workday Studio, EIB, and Core Connectors, configuring HCM and Compensation modules, and developing reports and dashboards for HR stakeholders. Includes release-management testing and offshore collaboration — a Workday-ecosystem specialist role, not general software development.

Summary

A lead data architect at Optiver Chicago, shaping the firm's Lakehouse data architecture and turning research workflows into production-grade systems. Data-architecture work at the Chicago market maker.

Summary

A senior developer at United Airlines building scalable, high-performance applications with .NET Core, AWS, and MongoDB. Hands-on backend and cloud development. Hybrid in Chicago.

Summary

A data engineer supporting DRW's Cumberland (crypto) and FICCO desks, building the data pipelines behind their trading and research. Data engineering at the Chicago prop trader.

Summary

A principal ML engineer at IMC shaping the next phase of the firm's ML platform — architecture, best practices, and scaling deep learning into research and execution. Senior ML-platform engineering at the Chicago market maker.

Summary

A senior systems engineer at Akuna Capital, the Chicago options market maker, building and operating the firm's low-latency systems infrastructure. Systems engineering at the prop trader.

Summary

A research engineer on DRW's Fixed Income, Currencies, Commodities and Options (FICCO) group, building research and trading systems for those asset classes. Research engineering at the Chicago prop trader.

Summary

A trading-systems engineer on IMC's execution-development team, owning systems in the live-trading path (hardware, network, application performance, exchange connectivity) and supporting them in production. A deliberately mixed support-plus-engineering role at the Chicago market maker.

Summary

A senior systems engineer at ActiveCampaign, the Chicago marketing-automation SaaS, architecting IT efficiency and automation — infrastructure-as-code with Terraform, device management via Intune/Kandji, and identity via Okta, with an AI-automation focus. Internal IT/corporate-systems engineering, not product development.

Summary

A research software engineer on DRW's Cumberland Systematic team, building the systems behind the firm's systematic and digital-asset trading strategies. Research engineering at the Chicago prop trader's crypto arm.

Summary

A senior FPGA engineer at CTC, designing hardware-accelerated logic for the firm's low-latency options market-making systems. Hardware/FPGA engineering at the Chicago market maker.

Summary

A software engineer on IMC's Agentic AI team, building agents, MCP servers, and evaluation pipelines that embed AI into the developer workflow for production-critical systems. AI-tooling engineering at the Chicago market maker.

Summary

A C++ software engineer on IMC's Chicago team building low-latency, high-performance trading systems and software that interfaces with custom hardware. Performance-focused C++ engineering at the market maker.

Summary

A quantitative developer on IMC's Pricing and Risk team in Chicago, building the core C++ library for live derivatives pricing and risk that sits in the critical path of the HFT market-making systems. Performance-critical quant-dev work.

Summary

A lead data engineer at Optiver Chicago, advancing the research team's data capabilities and the firm's Lakehouse architecture with Databricks, Spark, and Delta Lake. Data-platform engineering at the Chicago market maker (Optiver's US HQ).

Summary

A senior FPGA engineer on DRW's algorithmic-trading group, designing hardware-accelerated logic for ultra-low-latency trading. Hardware/FPGA engineering at the Chicago proprietary trading firm.

Summary

A senior trade-support engineer at CTC, supporting the live-trading systems and serving as the technical bridge to the trading desks. A production-support engineering role at the Chicago options market maker.

Summary

A senior C++ engineer on Belvedere Trading's quantitative-trading team, building the high-performance systems behind the firm's market-making. C++ trading-systems engineering at the Chicago market maker.

Summary

A trade-systems engineer at DRW (Chicago proprietary trading) building and operating the systems that sit in the live-trading path across the firm's multi-asset desks. Low-latency trading-infrastructure engineering.

Summary

An early-career software engineer at IMC building and maintaining the market maker's trading platform and software stack alongside traders and quants. Entry-level trading-systems engineering (1-3 years) at the Chicago office.

Summary

A machine-learning engineer at IMC building the large-scale distributed training and deployment systems for ML models that feed the firm's trading. GPU/distributed-ML engineering at the Chicago market maker.

Summary

An AI engineer at DRW, the Chicago-HQ diversified proprietary trading firm, building AI/ML systems applied across the firm's multi-asset trading and operations. Trading-tech engineering at a firm that trades its own capital across global markets.

Summary

A trading engineer on IMC's Strategy Development team, owning the systems that power the market maker's trading strategies and keeping them running under pressure. An SRE/operations-engineering-leaning role in the live-trading path at IMC's Chicago office.

Summary

A research scientist/engineer on Jump Trading's deep-learning team, applying ML research to the firm's global-markets trading. Research engineering at the Chicago prop trader.

Summary

A production engineer on Jump Trading's global High Performance Computing team, operating the HPC infrastructure behind the firm's quantitative research. HPC/infrastructure work at the Chicago prop trader.

Summary

An experienced software engineer at Chicago Trading Company (CTC), the Chicago options market maker, designing and building the firm's trading technology. Trading-systems engineering at the prop trader.

Summary

A senior (level IV) software engineer at Grainger Corporate Services in Lake Forest, IL, requiring a computer-science or related degree plus several years of experience. Listed with a remote work-location type. One of Grainger's formally degree-and-experience-specified engineering reqs.

Summary

A mid-to-senior infrastructure engineer (level III) at W.W. Grainger in Lake Forest, IL, supporting the distributor's systems infrastructure. Requires an engineering degree plus a few years of experience; hybrid.

Summary

A lead infrastructure software engineer (level IV) at W.W. Grainger, building and operating the AWS cloud infrastructure underpinning the distributor's platforms. Hybrid out of Lake Forest, IL. A senior cloud-infrastructure role; disclosed range roughly 134k to 224k plus incentive.

Summary

A mid-to-senior data engineer (level III) at W.W. Grainger, building the data pipelines and platforms behind the distributor's analytics and commerce systems. Hybrid in downtown Chicago. Disclosed range roughly 113k to 188k plus incentive.

Summary

A senior business-systems engineer at W.W. Grainger in Lake Forest, IL: a software-engineering role supporting the distributor's internal business systems, requiring a computer-science or related degree. On-site.

Summary

A senior (level IV) software engineer at W.W. Grainger building its commerce and distribution technology, hybrid out of the downtown Chicago office. Disclosed range roughly 134k to 224k plus incentive.

Summary

A senior (level IV) software engineer at W.W. Grainger on the engineering org behind its e-commerce and MRO-distribution platform. Tied to the Lake Forest, IL headquarters but listed with a remote work-location type. Disclosed range roughly 124k to 207k plus incentive.

Summary

A lead and senior (level IV) software engineer at W.W. Grainger, building the technology behind the industrial distributor's commerce and supply-chain systems. Hybrid in downtown Chicago. Disclosed range roughly 134k to 224k plus incentive.

Summary

A cloud-security architect at W.W. Grainger, designing and hardening the security of the distributor's cloud platforms in partnership with IT and security teams. Hybrid out of the Lake Forest, IL headquarters. A senior security-architecture role; disclosed range roughly 146k to 244k plus incentive.

Summary

A lead front-end engineer at W.W. Grainger, owning the user-facing web engineering for the industrial distributor's Grainger.com and endless-assortment commerce stack. A senior technical-lead role, hybrid in downtown Chicago. Disclosed range roughly 134k to 224k plus incentive.

Summary

A senior software engineer (level IV) at industrial distributor W.W. Grainger, building the technology behind its e-commerce and MRO-distribution business. Hybrid out of Grainger's downtown Chicago office. Disclosed salary range roughly 134k to 224k; no visa sponsorship.