Top Tech Jobs & Startup Jobs in Chicago, IL

Design, build, and maintain scalable backend services in Java (Spring) and Python (Django/FastAPI). Implement REST/GraphQL APIs, optimize SQL and NoSQL databases, develop microservices, ensure security (OAuth2/JWT), write tests, improve performance, and collaborate with frontend and DevOps teams in Agile processes.

Lead end-to-end delivery of multi-year retail banking transformation programs. Own roadmaps, break down initiatives, coordinate cross-functional teams, track progress, mitigate risks, and communicate status to stakeholders. Operate independently in ambiguous environments to resolve gaps and ensure program alignment and timely delivery.

Build and maintain server-side logic, databases, and AWS cloud integrations using Python and Java. Design scalable APIs, optimize performance and security, implement cloud-native architectures, and produce technical documentation for high-availability, distributed systems.

Plan, lead, and manage multi-project programs: define scope, objectives, KPIs; monitor progress, risks, budgets, and interdependencies; report to senior leadership; ensure PMO compliance; promote Agile/Scrum or hybrid methods; and drive continuous improvement and stakeholder relationships.

Design and implement scalable full-stack solutions for institutional platforms. Lead API and microservices design, cloud (AWS) deployments, CI/CD and DevSecOps, collaborate with product and QA, troubleshoot production, and mentor distributed teams.

Lead performance testing efforts: design and execute load tests, analyze results, troubleshoot and drive fixes with dev/infra teams, build workload models, standardize practices, produce reports, and improve system scalability, reliability, and repeatability.

Lead product development for a unified payments platform covering pay-ins, payouts, merchant acquiring, settlement, routing, and reconciliation. Produce PRDs, process maps, API specs, and user stories. Collaborate with engineering, QA, UX, and data teams; manage backlog, sprints, QA/UAT, and releases. Design payment orchestration, multi-rail routing, and operationalize billing, risk, and support. Identify and integrate AI-driven product opportunities.

Design, test, and document prompts and prompt libraries to optimize AI language model outputs. Collaborate with product, data, and ML engineers to integrate prompt solutions, run A/B experiments, measure performance, and maintain versioned documentation. Support TIBCO-specific implementation and stay current on AI/NLP techniques.

Design, build, and maintain scalable backend services using Java (Spring) and Python (FastAPI/Django). Implement REST/GraphQL APIs, manage SQL and NoSQL databases, develop microservices, ensure security (OAuth2/JWT), write tests (JUnit/pytest), optimize performance, and collaborate with frontend and DevOps teams in Agile.

Lead backend development of scalable, secure Node.js APIs and microservices. Participate in architecture and system design, integrate databases and third-party services, support CI/CD and cloud deployments, implement monitoring and performance troubleshooting, and collaborate with cross-functional teams.