Top Tech Jobs & Startup Jobs in Chicago, IL

Design, build, and maintain scalable backend services and APIs; deliver product features end-to-end; maintain integrations; diagnose and resolve performance and reliability issues; improve engineering practices and architecture; support large-scale data ingestion and unified data access layers.

Lead end-to-end delivery of full-stack product and platform initiatives. Design and implement scalable frontend and backend systems, own production reliability and incidents, introduce pragmatic engineering practices, mentor engineers, and drive architecture and tooling decisions to balance speed and long-term maintainability.

Lead design and delivery of scalable, reliable software using C#/.NET, SQL Server, React, and Azure. Own complex initiatives from design through operations, mentor engineers, improve CI/CD, observability, and apply DDD/TDD/VSA practices. Use modern APIs, microservices or modular monoliths, and AI-assisted tooling to improve delivery.

Design and deliver scalable backend systems and APIs, own features end-to-end, drive technical direction, collaborate with product stakeholders, build shared infrastructure, and participate in on-call rotations.

Lead end-to-end backend architecture and implementation for AI memory systems and LLM agents. Design distributed data models, APIs, and tooling, drive high-impact features, and collaborate with founders to scale production systems for enterprise deployments.

Work primarily on backend Node.js services within a large cloud-native platform while contributing to frontend integrations. Design APIs, support serverless and workflow orchestration, implement event-driven processing, improve reliability, optimize data models, and support deployment, monitoring, and incident resolution. Collaborate with distributed teams to ship end-to-end features, conduct code reviews, and evolve system architecture.