Top Full-Stack Engineer Jobs in Chicago, IL

Volunteer Principal Full Stack Engineer to lead and contribute across frontend and backend (React/React Native, Node.js, MongoDB). Own feature development, mentor engineers, collaborate with product/design, ship scalable code, and support CI processes. Must commit 4+ hours weekly and attend a weekly standup; first task includes launching a fundraising campaign.

Design, build, and maintain full‑stack services and tooling that power Stripe's global support operations. Expand live channel integrations (voice/messaging) including Greater China platforms, debug production issues, collaborate cross‑functionally, and improve engineering standards and processes.

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.

Design, implement, and support web-based, AI-driven products in a microservice architecture. Collaborate with cross-functional teams to build performant, accessible front- and back-end components, translate business needs into technical solutions, and participate in UI/UX design and continuous learning.

Develop and maintain web applications using Angular and NestJS/PHP. Manage MySQL databases and contribute to API design. Engage in client interactions and project planning while ensuring code quality and adhering to best practices.

Build end-to-end user features under senior guidance: implement REST endpoints in Node.js/TypeScript, microservices in Python, maintain PostgreSQL schemas, process background jobs with QStash/Upstash, deploy to Cloudflare Workers/Pages/R2, write tests, and collaborate with product/design on React UI components.

Build and maintain end-to-end features across backend (Node.js/TypeScript, Python) and frontend (React/TypeScript). Model Postgres schemas, integrate queues (QStash/Upstash), deploy on Cloudflare edge, write tests, enforce CI/CD, and harden systems for security and performance in regulated environments.

The Senior Full-Stack Engineer will manage client relationships, design integration solutions, and ensure seamless delivery and optimization of technical workflows, while leveraging AI for efficiency.

Build and maintain Django-based web applications, design RESTful APIs, implement frontend features (HTML/CSS/JS), optimize performance and security, collaborate with cross-functional teams throughout the development lifecycle.

Seeking a Full Stack Engineer to develop and scale the platform using React and Python. Responsibilities include building frontend applications, developing APIs, managing workflows, and optimizing databases.

Design, build, test, and maintain full-stack web applications using JavaScript/TypeScript (React or Angular, Node.js). Create RESTful APIs, implement responsive and accessible UIs, work with relational/NoSQL databases, contribute to CI/CD and GitHub workflows, and mentor junior engineers in an Agile environment.

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

Owner of platform infrastructure: build and maintain domains, TLS, caching, proxying, auth (SSO/2FA/OAuth), billing and mailer integrations, bundling pipeline, SSR with Solid.js, observability (OpenTelemetry), and media processing pipelines.

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.

Build and own end-to-end full-stack systems for AI-powered agentic trading across web and React Native mobile. Implement real-time, low-latency UIs and Go backend services, integrate streaming AI/ML features and market data, drive architecture and code quality, and collaborate with AI/ML, design, and product teams to ship production-ready features used by millions.

As a Senior Software Engineer, you'll implement collaboration features, support team architecture, work across tech stacks, and improve developer experience.

The Staff Software Engineer will lead full-stack initiatives, improve system quality, drive technical direction, and mentor peers in a collaborative environment.

Design, build, and ship full-stack features for Guardian's monitoring platform, ensuring production reliability and code quality.

Work on real-world web applications across frontend and backend. Use modern frontend frameworks (React/Angular/Vue) and backend tech (Node.js, Python, Java, PHP). Integrate RESTful APIs with databases (MongoDB, PostgreSQL, MySQL), debug, test, optimize performance, and collaborate with designers and product teams while gaining hands-on mentorship.

Design, implement, and optimize full-stack solutions. Collaborate with cross-functional teams, participate in code reviews, analyze and improve system performance, and stay current with industry technologies.

Build end-to-end AI integrations in a cybersecurity platform: gather contextual security data, call and optimize AI services, map responses to actionable UI (React), implement error/fallback handling, monitoring, caching, and user feedback loops while working directly with customers.

Implement and maintain full-stack features for a career-intelligence platform: architect NestJS/Next.js applications, manage PostgreSQL schemas and queries, build responsive UIs with Tailwind, integrate LangChain-powered AI, implement authentication with Clerk, and create end-to-end tests and automation with Puppeteer to ensure launch readiness and performance.

Design and deliver end-to-end full stack healthcare applications across UI, API, and data layers. Build secure, testable, cloud-native services, implement integrations and IaC, support CI/CD and monitoring, leverage AI-assisted tools, and mentor engineers while partnering with cross-functional teams.

Lead design and delivery of scalable, secure full‑stack features and services. Build maintainable front-end and backend code, implement integrations and data models, enable cloud-native CI/CD workflows, use containers and IaC, and act as a technical leader influencing architecture and delivery across teams while leveraging AI-assisted tools.

The Senior IT Engineer will lead full stack development projects focused on AWS, architecting APIs, mentoring junior engineers, and ensuring application performance and security.