Top Staff Engineer Jobs in Chicago, IL

Lead cross-pod technical direction and system design for high-scale backend services, embed AI-native development practices, collaborate with product and design, mentor engineers, and drive ambiguous initiatives from design through production.

Lead design and coordination of site development and redevelopment projects including roads, stormwater, utilities, grading, and subdivision master plans. Produce construction documents, calculations, and reports, manage permitting with municipalities, ensure regulatory compliance, and support project management from design through completion.

Lead environmental remediation system design and assessments including detailed drawings, specifications, and calculations. Coordinate multidisciplinary teams, manage field activities and subcontractors, perform O&M and monitoring, support reports and budgets, mentor junior staff, and travel up to 25% for construction, startup, and client meetings.

Lead architecture, planning, and delivery of embedded manufacturing acceptance test software for EOIR hardware. Manage a team of engineers, coordinate cross-functional IPT activities, design/integrate/validate test software, produce test documentation and procedures, review product testability, and support new production line introduction and NRE execution.

Lead exploratory testing within R&D, uncovering risks that automated checks miss across complex, configuration-driven insurance systems. Develop test charters, risk models, coverage and testability maps, and clear bug, risk, and compliance narratives. Partner with Product and Engineering on specification-by-example, observability, testability, and release readiness. Build testing tools, evaluate AI-generated code and tests, coach quality practitioners, and support auditable quality decisions without owning release approval.

Design and implement Kotlin backend services and end-to-end systems for Toast POS device management. Lead technical designs, estimations, performance optimization, cross-team collaboration, and software quality practices including modern testing and observability. Mentor peers and drive product roadmap alignment with product, hardware, and QA stakeholders.

Design, architect, and implement large-scale, reliable, and secure software systems for Customer Information Management. Partner with product and architecture teams, ensure code quality, CI/CD, testing, and observability, drive operational resilience, mentor engineers, and influence cross-team technical direction.

Own and automate end-to-end employee lifecycle and shared IT infrastructure using infrastructure-as-code and SRE practices. Manage ITSM platform and AI-driven virtual agents, build integrations (Okta, Workday, JAMF, Google Workspace, Slack, Zoom, GitLab), instrument metrics, ensure reliability and compliance, and mentor support engineers.

Lead the design and evolution of predictive maintenance platform, build and scale ML-powered features, and mentor other engineers.

Lead full‑stack development and architecture for Spark’s broker platform. Deliver customer‑facing features, partner with product/design, mentor engineers, resolve technical debt, and set engineering standards while using AI developer tools.

Design, build, and operate backend systems for prediction markets, including order management, trade matching, settlement, and market resolution. Architect distributed, low-latency systems with strict financial correctness, lead multi-quarter technical projects, mentor engineers, and collaborate with Product, Compliance, and Risk to meet regulatory requirements.

Own architecture and delivery of core ledger and transaction processing systems. Design and build highly available, high-performance backend services, drive cross-team technical initiatives, establish platform standards, mentor engineers, and embed AI to improve operations and workflows.

Develop ML/RL models and infrastructure for AV simulations, optimize training loops, and support project timelines in autonomous vehicle tech.

The Sr. Staff Engineer leads technical strategy for digital asset payments, collaborates with teams to design solutions, mentors engineers, and resolves complex challenges in payment platforms.

Lead design and development of scalable, cloud-native AI healthcare payment integrity platforms. Provide technical leadership, own production code and releases, design data/retrieval architectures, ensure observability, security, and compliance, and collaborate with ML, product, and architecture teams to deliver performant SaaS solutions.

Lead technical strategy and delivery for backend marketplace/search systems. Collaborate with PM, design, and analytics; own operational reliability, monitoring, on-call, testing, and runbooks; set code/design standards; drive major feature delivery and deprecations; mentor and develop engineering talent.

The Staff Engineer, RCM will lead technical efforts in eligibility, claims, billing, and payer integrations, aiming to enhance software performance and operational outcomes.

Design and maintain backend systems using Go, own development lifecycle, implement best practices, and engage with customers for feedback.

Lead a small team as a Staff Engineer Tech Lead, contributing to technical direction and managing engineers to deliver scalable software systems.

Design, develop, and maintain software solutions. Collaborate with teams, conduct code reviews, and mentor junior developers to ensure software quality.

The Staff Engineer will build data-driven experimentation systems, lead statistical engine design, ensure correctness in A/B testing, and mentor team members while collaborating cross-functionally.

Full‑stack staff engineer to ship web products end-to-end, iterate on and expand a suite of sales/CRM-focused tools, define engineering culture and best practices, and hire/mentor future engineers. Must move fast in a small team, engage with users, and solve new problems creatively.

Design, implement, and optimize high-performance backend systems in Rust for an xOT security platform. Participate across the development lifecycle—debugging, testing, and performance tuning—while integrating relational and NoSQL data stores, microservices, third-party devices, and AI tools. Provide technical leadership, code review feedback, and promote secure, reliable, observable distributed systems.

Serve as the technical IC leader for the Provider organization: set technical roadmap and engineering standards, design and review architectures, drive cross-team initiatives, mentor engineers, and deliver high-throughput, low-latency, cloud-based microservice systems for provider-focused products.

Lead development of guidance, navigation, and control (GNC) systems from concept to flight-ready software. Design and simulate algorithms, translate requirements into embedded implementations, support HIL and flight test, analyze test data, coordinate across vehicle design, avionics, structures and testing, and document results while mitigating technical risk.