Top Tech Jobs & Startup Jobs in Chicago, IL

Lead extraction and modernization of business decision logic for Credit Loss Mitigation. Design BRMS- and DMN-driven architectures, create BPMN workflows, enable rule governance, testing, and policy simulation, and collaborate with stakeholders to migrate hard-coded rules into centrally managed decision services.

Design user flows, wireframes, mockups, and interactive prototypes; create user-friendly, accessible UI components; conduct user research and usability testing; maintain design systems and style guides; collaborate with product managers and developers to ensure consistent brand and UI standards across digital products.

Lead architecture discovery and assessment across multiple business domains, define target architecture aligned to domain-driven design, connect data, rules, UX, and AI workstreams, prioritize modernization initiatives with client leadership, guide engineering teams on architectural decisions, and support scoping and implementation planning.

Design, implement, and own end-to-end scalable ML systems and MLOps lifecycle (deployment, monitoring, metrics). Optimize models and system performance, work with Java/Python and TF/PyTorch, use CI/CD, Terraform, Docker/Kubernetes, lead inter-team communication, document work, and meet deadlines.

Build and scale production Generative AI applications: design multi-agent systems and LangGraph workflows, implement advanced RAG with vector DBs, integrate and fine-tune LLMs, deploy FastAPI async services in Docker, and optimize GenAI performance, cost, and monitoring.

Build, optimize, and scale production Generative AI applications. Design multi-agent systems and LangGraph workflows, implement advanced RAG with LlamaIndex and vector DBs, fine-tune and deploy LLMs, and create high-performance FastAPI async backends. Improve latency, cost, and reliability, containerize services with Docker, and manage monitoring, API security, and CI/CD for ML deployments.

Build and maintain cross-platform React Native mobile apps for iOS and Android. Implement end-to-end features, state management, API/BFF integrations, secure auth flows, performance optimizations, native module bridging, testing, CI/CD releases, and collaborate with architects, backend, QA, and DevOps to deliver production-grade applications.

Design, develop, and maintain scalable Android applications using Kotlin/Java and Jetpack components. Integrate REST APIs, optimize performance and security, participate in architecture and deployment activities, troubleshoot and resolve issues, and collaborate with cross-functional teams in an Agile environment while supporting CI/CD and release management.

Lead design, architect, implement, test, and maintain scalable React-based web applications. Define low-level design, ensure coding standards, optimize performance, integrate with APIs/headless CMS, maintain CI/CD and observability, and mentor engineering teams.

Design and implement data federation and lakehouse architectures, build scalable ETL/ELT pipelines with Python and Spark, optimize performance across federated queries, manage Delta/Iceberg/Hudi tables, and enforce governance, security, and access controls for analytics and AI teams.