Top Software Engineer Jobs in Chicago, IL

Build and independently deliver full-stack healthcare software features using Java or Groovy, React and TypeScript, MongoDB, and Kafka. Responsibilities include design, implementation, testing, deployment, production debugging, code reviews, design documentation, dependency coordination, process improvements, and mentoring. The role requires reliable delivery with minimal oversight and collaboration across engineering, product, and QA teams in a remote-first environment.

Develop and ship full-stack web and mobile experiences across Affirm’s consumer app and website. Collaborate with product, design, analytics, and engineering teams to break down projects, make technical decisions, write tested and extensible code, launch scalable APIs, monitor service health, support on-call operations, review code, and participate in team development and interviewing.

Build SDKs, self-service apps, and reusable abstractions for Coinbase's data platform. Develop data integration and processing tools, enable observability and security (cataloging, lineage, access controls), and collaborate with analysts, data scientists, and engineers to scale and operationalize data pipelines and models.

Develop, test, and maintain scalable backend RESTful APIs and microservices using Java and Spring Boot on cloud platforms. Define API contracts/OpenAPI specs, implement OAuth2-based integrations, write automated tests, support CI/CD and deployments, troubleshoot production issues, participate in code reviews, and maintain technical and operational documentation.

Build and scale consumer-facing mobile and web applications and backend services. Own features end-to-end across frontend and backend, optimize databases and queries, integrate third-party APIs, implement algorithms for risk and transaction evaluation, improve reliability and CI/CD, and contribute to testing, monitoring, and internal tools to support customer operations.

Develop and improve MongoDB’s distributed database networking and observability components. Responsibilities include writing production-level C++ code, enhancing performance, availability, scalability, and resource efficiency, integrating observability frameworks, leading medium-sized projects, collaborating across the product lifecycle, and participating in code reviews and technical design. The role requires strong software architecture fundamentals and an interest in networking, observability, and computer systems internals.

Design, implement, and deliver full‑stack features for Genomics AI initiatives. Integrate generative AI tools and agents, build scalable microservices and APIs, optimize relational queries and caching, mentor junior engineers, and collaborate cross‑functionally to resolve technical dependencies and shape architecture decisions.

As a Software Engineer, you'll develop software using Ruby, Javascript, and support AWS infrastructure. Responsibilities include maintaining and building applications, contributing to high-end software releases, and mentoring other engineers.

Design, develop, and implement software solutions across the SDLC. Analyze requirements, produce application and architecture specifications, implement Java/Spring Boot services, build webMethods integrations, automate deployments and testing, troubleshoot production issues, and lead code and design reviews in project teams.

As a Fullstack Software Engineer, you'll design, develop, and maintain scalable frontend and backend systems while collaborating across teams.

Develop scalable platforms, services, and internal tools for Revenue Cycle Management, supporting payments, claims submission, and operational workflows. Partner with engineering, product, design, operations, and business stakeholders to improve efficiency, reliability, and cost effectiveness. Drive software development through planning, execution, measurement, maintenance, and continuous improvement while supporting responsive, secure, and highly available systems.

The Senior Trading Software Engineer will optimize performance-critical code, collaborate with trading engineers, implement low-latency solutions, and enhance trading systems.

Lead architecture, modernization, and development of Group Insurance applications. Modernize mainframe monoliths into Java microservices and micro-frontends on cloud, mentor distributed Agile teams, collaborate with enterprise architecture, product owners and infrastructure, and enable test automation and integrations. Approximately 10% domestic travel.

Build and enhance cloud-based promotional experiences across the full stack. Implement high-performance Vue.js front ends and TypeScript/Node.js backends, design scalable microservices, integrate AI-driven workflows, improve observability and CI/CD, participate in team processes, resolve high-priority issues, and maintain technical documentation and quality standards.

Backend-focused Software Engineer on the Search team building scalable, secure cloud-based ETL pipelines and APIs. Work includes GCP-based data processing, infrastructure-as-code deployments, testing, CI, AI-driven workflows, code/design reviews, A/B experiments, incident ownership, and cross-functional collaboration to improve search functionality and platform reliability.

Develop a platform for liquidity and loan collateralization. Responsibilities include building and integrating data pipelines, creating user experiences, and collaborating with teams for system design.

Lead UI architecture and design for responsive web applications; build reusable components with Angular/React/Vue and TypeScript/JavaScript; integrate UIs with RESTful microservices; enforce accessibility, security, testing, and CI/CD standards; mentor developers and collaborate with UX, backend, and DevOps teams in Agile environments.

Design, build, test, deploy, and operate full-stack web applications and RESTful services using Go and HTMX with server-driven UI patterns. Implement Azure cloud-native solutions, CI/CD pipelines, observability and secure-by-design practices, and collaborate with cross-functional teams in an agile environment.

Build and maintain order and payment systems for a high-volume ticket marketplace. Design scalable backend services, REST APIs, and event-driven components. Ensure correctness, idempotency, failure handling, and observability. Collaborate cross-functionally, mentor peers, run experiments/A-B tests, and contribute to CI/CD, testing, and production debugging to drive business impact.

Design and maintain efficient C++ code for a high-speed trading system, including algorithm development and data analysis.

Lead design and implementation of a petabyte-scale unified virtual memory and system software stack for accelerator-based large-scale clusters. Build custom allocators, runtimes, schedulers, and Linux kernel/driver components. Integrate and optimize HPC workload managers, ensure high-throughput resource management, and remove kernel-space bottlenecks for massive parallel jobs.

Develop and maintain low-latency, high-performance proprietary trading systems. Participate in full SDLC: design, implement, test, and deploy trading applications. Collaborate with teammates, follow coding standards, write automated tests, and learn trading fundamentals through the Belvedere Trading University program.

Work with full-time engineers to design, implement, test, and deploy low-latency, high-performance trading software. Collaborate in teams, participate in the firms BTU learning program, debug complex trading applications, communicate project updates with managers, and apply AI tools to improve development efficiency.

Design and implement CIAM backend services for authentication and authorization. Integrate identity systems, manage secure flows, and automate infrastructure.

The software engineer will build full-stack features for Kora's voice AI agent, integrating data, refining prompts, and expanding multi-modal capabilities while mentoring peers and ensuring technical quality.