Top Front End Developer Jobs in Chicago, IL

Architect and build a high-performance, low-latency trading web platform. Integrate real-time market data and execution workflows, collaborate cross-functionally on large initiatives, and deliver scalable, performant, user-focused frontend applications with strong attention to API design, tooling, and developer experience.

Lead architecture and delivery of large-scale React and React Native frontends. Define frontend strategy and best practices, build shared component libraries and design systems, optimize performance and accessibility, collaborate with product/design/backend teams, mentor junior engineers, and resolve complex frontend and cross-stack issues.

Develop and maintain UI/frontend components and contribute as a full-stack developer. Work in Agile/XP environments using pair programming and TDD. Build Java/JEE backend integrations and object-oriented JavaScript frontends with AngularJS or ReactJS. Use Spring, MongoDB, Jenkins, Docker, NodeJS and GitHub. Collaborate with multiple stakeholders across the software development lifecycle to meet delivery velocity expectations.

Develop and maintain Java-based UI/front-end applications as a full-stack developer. Work in Agile/XP environments using pair programming and TDD. Use Java/JEE, modern JavaScript frameworks (AngularJS or React), Spring, MongoDB, CI/CD tools (Jenkins, Docker), and collaborate with stakeholders in the insurance domain to meet delivery targets.

Develop Java-based UI/front-end and full-stack features using Java, JEE, and modern JavaScript (AngularJS or React). Follow Agile/XP practices including pair programming and TDD, use tools like IntelliJ, GitHub, Spring, MongoDB, Jenkins, Docker, and Node.js. Work within the insurance domain and collaborate with multiple stakeholders to meet delivery velocity.

Full‑stack Java/UI developer role building web applications using Java/JEE and modern JavaScript frameworks (AngularJS or React). Work in Agile/XP teams, apply TDD/pair programming, use Spring, MongoDB, CI/CD (Jenkins, Docker), and Node.js. Collaborate with stakeholders and contribute across the SDLC, preferably with insurance domain experience.

As a Senior Engineer on the Frontend Infrastructure & Experience team at Braze, you will design and build foundational frontend systems, lead projects, improve developer experience, and create polished customer-facing product experiences.

Lead frontend-leaning full-stack implementation work for carrier and enterprise integrations: architect reusable UI and API layers, author RFCs, guide technical delivery, enforce testing and security best practices, and partner with cross-functional teams to scope and ship production integrations.

Design, develop, and maintain customer-facing web applications and reusable front-end components. Translate wireframes into responsive UI using HTML/CSS and Bootstrap, implement SPAs with AngularJS/JavaScript, participate in design/specification, unit testing, prototyping, and technology evaluation, and collaborate with UX, business analysts, and development teams.

Design and develop scalable software solutions, collaborate with teams, implement real-time systems, ensuring engineering excellence and operational success.

Design, build, and maintain internal front-end trading tools, dashboards, and supporting APIs. Partner with traders, Risk, and Technology to gather requirements, improve performance, reliability, and scalability, and provide production support for real-time, high-throughput trading systems.

The Front End Developer will work with D3.js and jQuery, demonstrating creativity and technical skills, particularly in using design tools like Photoshop.

The Full Stack Front-End Developer will design and develop user interfaces, collaborate with designers, contribute to back-end tasks, and ensure the quality of web applications.

This role involves leading web platform initiatives, mentoring senior engineers, architecting web applications, and implementing technical strategies for improved performance.

Develop modern web applications focusing on UI components using React while ensuring performance, accessibility, and cross-browser compatibility.

Volunteer Principal Front End Developer to build React/React Native web and mobile features, mentor engineers, implement scalable full‑stack solutions, ensure cross‑browser compatibility and testing, work with Node/MongoDB/AWS, attend weekly standups, and support a fundraising launch. Minimum 4 hours/week commitment.

Seeking a Senior Front-End Engineer with expertise in React/Next.js for rebuilding legacy components, creating reusable templates, and integrating with headless CMS APIs while maintaining high-quality code and mentoring junior developers.

Design, develop and maintain front-end applications, resolve complex technical problems, communicate with users, and ensure software quality and delivery.

Lead front-end architecture and strategy for Paze, designing production-grade web SDKs and enterprise web platforms. Define standards for accessibility, testing, performance, observability, and cloud-aligned CI/CD. Partner with product, UX, and engineering to drive modernization, mentor engineers, and represent technical vision to stakeholders and executives.

The Frontend Engineer will develop high-performance trading UIs for a decentralized exchange platform, manage state across various blockchains, and implement reliable transaction handling features.

The role involves designing and building internal web applications for Nebius, focusing on automating data center operations and developing user interfaces for infrastructure management.

Contract frontend engineer to build and maintain a Sanity-backed Next.js order page platform. Responsibilities include component development, Sanity Studio schema work, end-to-end test ownership (Playwright or similar), routing and architecture improvements, performance optimization, and supporting A/B testing and monitoring. Work closely with marketing, product, and engineering on a high-traffic, revenue-critical purchase flow and participate in on-call and CI/CD processes.

Build, test, and optimize responsive web applications using Next.js and React. Collaborate with designers and back-end developers, implement UI/UX designs, write clean maintainable code, and debug front-end issues to ensure high performance across devices and browsers.

3-month contract Frontend Engineer to build client-facing UIs and integrations for cybersecurity use cases. Collaborate with product, design, and engineering to deliver secure, performant, scalable features, maintain component libraries and automated tests. Remote (GMT+8) role focused on TypeScript and modern web tooling.

Build and maintain responsive, accessible React/NextJS web interfaces and support Chrome extension development (Manifest V3). Integrate with backend APIs or WebSockets, optimize performance, write tests, perform code reviews, monitor and document extension and web app behavior, and collaborate with cross-functional teams.