Top Senior Front End Developer Jobs in Chicago, IL

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 front-end design and implementation within an Agile scrum team, collaborate with product, UI/UX, middleware and infrastructure teams, mentor junior engineers, lead offshore development, maintain domain knowledge, follow coding standards, and comply with ISO 27001 security requirements.

Own end-to-end frontend development for core crypto payment flows across web and mobile. Improve latency, availability, and SLOs; build user-facing features (contacts, real-time transaction status); identify and fix performance bottlenecks; partner with product/design/backend; mentor junior engineers to reduce customer friction at scale.

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.

Build and ship polished, accessible, high-performance front-end features for Deepgram's Console and Playground. Partner with product and design to translate ideas into incremental releases, improve internal tools, and uphold front-end engineering standards through code reviews and design discussions.

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.

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.

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

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.

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 technical strategy for Coinbase Advanced trading platform: define and execute a scalable roadmap, deliver a low-latency interface across web and mobile, mentor engineers, anchor complex projects, and ensure high standards for code quality and system design.

Build and own end-to-end frontend experiences for Coinbase card products across web and mobile. Ship high-scale consumer features, improve payment flow performance and SLOs, reduce latency and CX contacts, mentor engineers, and collaborate with product, design, and backend teams to deliver reliable, user-focused card functionality.

Lead frontend engineering work: build and own a production design system, design and ship end-to-end React/TypeScript features, modernize merchant and dashboard surfaces, set visual direction for a fintech product, and make component/theming architecture decisions while collaborating closely with backend engineers.

Build and own complex frontend features using Vue 3 and TypeScript while developing the Python services and APIs that power them. Improve performance, accessibility, testing, CI/CD, and observability; collaborate with product and design; mentor engineers and apply AI-assisted development tools responsibly to accelerate productivity and maintain quality and security.

Design, develop, and enhance custom SAP Fiori/UI5 applications; configure Fiori Launchpad; integrate OData services; perform UI debugging, performance optimization, code reviews, unit testing, and documentation while collaborating with backend and functional teams.

Design, build, and maintain scalable, responsive web applications using React and TypeScript. Create reusable UI components, implement end-to-end tests with Cypress, optimize performance, collaborate with product/design/backend teams, participate in code reviews, mentor junior engineers, and contribute to architecture and API integrations.

Build and refine front-end experiences for web and mobile: onboarding, checkout, gallery features, design system and enterprise dashboard. Collaborate closely with designers and PMs, ship fast, maintain aesthetic quality, and iterate with user feedback using React, Next.js and TypeScript.

Lead frontend architecture and implementation for new products using React, TypeScript, and Next.js. Collaborate with Product and Design, define patterns and testing strategies, ensure performance, accessibility, and observability, mentor engineers, and drive cross-team initiatives to align frontend systems with backend APIs and platform requirements.

Lead frontend modernization by migrating legacy web apps into a microfrontend ecosystem, ship production-critical React/Next.js code, define reusable platform patterns, and collaborate cross-functionally to ensure performance, developer experience, and long-term maintainability.

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.

Design and implement front-end features, build high-quality user interfaces, take ownership of product and architecture decisions, collaborate with engineering team, and deliver performant, user-focused solutions.