Top Senior Full-Stack Engineer Jobs in Chicago, IL

The role involves developing and optimizing NT Connect's web platform, creating APIs, collaborating on frontend design, and ensuring high-performance integration for trading partners.

Build and maintain user-facing interactive features and backend APIs. Own architecture, write well-tested code, participate in reviews and standups, ensure production reliability, and create development and deployment standards.

Lead design and implementation of the PSA Liquidity Platform connecting buyers and sellers. Build buyer tooling, matching/ranking engines, and seller experiences. Architect and operate microservices and Kafka-driven systems on Kubernetes/AWS, instrument observability, apply AI tooling across the SDLC, and drive cross-functional delivery from 0-to-1 while owning end-to-end outcomes.

Design, build, and maintain scalable full‑stack web applications using Python (FastAPI/Django/Flask) and Node.js frameworks (Next.js, Nest.js). Build React front ends, architect RESTful APIs, work with SQL/NoSQL databases, implement testing and security best practices, leverage AWS cloud services and AI-assisted development tools, collaborate with product and design, perform code reviews, and mentor junior engineers.

Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.

The Senior Full Stack Developer will develop web applications, facilitate Scrum ceremonies, guide agile practices, and drive project goals.

Lead the development of Coperniq's platform by designing, developing, and maintaining scalable full-stack solutions while collaborating with teams and mentoring juniors.

The Senior Software Engineer will design, develop, and optimize scalable PHP APIs and web applications, collaborating with product and design teams to support product development and implement best coding practices.

The Full Stack Engineer will architect and build 'The SOURCE®' platform, integrating AI and automating workflows while ensuring scalability and simplicity.

The Senior Full Stack Engineer will design and maintain features across backend and frontend systems, focusing on scalability and security while collaborating on production-grade solutions in a fast-paced environment.

As a Senior Full Stack Engineer, you'll build interactive customer experiences, manage backend architecture, write well-tested code, and ensure smooth production processes.

Lead diverse technology projects and teams to create solutions, mentor engineers, collaborate with product managers, and implement cloud-based solutions.

Lead a team of developers on diverse technology projects, create cloud-based solutions, collaborate with product managers, and mentor engineers. Stay updated on tech trends and participate in technology communities.

Lead software engineering projects and teams, develop cloud-based solutions, mentor engineers, and stay updated with tech trends at Capital One.

Lead diverse technology projects and a team of developers to create solutions for regulatory needs. Mentor other engineers, collaborate on cloud-based solutions, and stay current with tech trends.

Lead design and delivery of provider-facing backend services and frontend applications. Own features end-to-end, mentor engineers, build React/TypeScript interfaces, design DRF REST APIs and database schemas, use LLM tooling (Claude) to accelerate development, and operate services on Kubernetes/GCP with Datadog for monitoring.

Lead design, deployment, and operational health of mission-critical API Gateway platform. Build scalable IaC and CI/CD pipelines, ensure reliability and security (OAuth2, mTLS, JWT), support incident response, shape architecture and vendor choices, and oversee cloud-native deployments and observability.

The Senior Full-Stack Developer will manage architecture and delivery for a web application, integrating historical data into SAP S/4HANA. Responsibilities include overseeing development, integrating cloud identity, and leading architectural documentation.

Develop consumer-centric web applications, enhance usability, collaborate with designers, implement backend software and APIs, write tested code, and follow agile development cycles.

As a Senior Full-Stack Engineer, lead design and development of complex search features, optimize development processes with AI tools, and mentor juniors in a collaborative environment.

The Senior Full-Stack Engineer will design, implement, and maintain systems for Trading API customers, focusing on both frontend and backend development, while leading projects and mentoring peers.

The Senior Full Stack Engineer will design, build, and scale healthcare integrations, ensuring high security and quality, while collaborating with cross-functional teams and supporting enterprise-level integrations.

Build and ship complex consumer-facing full stack applications. Work on React/TypeScript frontends (offline PWAs using IndexedDB/DexieJS and Workbox) and Scala/Play backends with PostgreSQL. Deploy on AWS via Kubernetes. Mentor engineers, collaborate in product-focused cycles, and thrive in a fast-moving startup environment.

Design and build features across a React/TypeScript frontend and Go backend for real-time dispatch systems. Implement WebSocket-driven tracking, GIS integrations, multi-tenant architectures, performance and state management improvements, production debugging, and collaborate with Product and Operations to deliver agency commitments.

Senior CRM systems full stack engineer to design, develop, integrate, and maintain Salesforce and Salesforce Marketing Cloud solutions. Build ETL pipelines, AWS microservices, and integrations, provide tier-3 support, lead testing/UAT, document requirements, and train teams while ensuring code quality and deployment processes.