Top Senior Front End Developer Jobs

Design and build user-facing web interfaces from mockups using HTML, CSS, and JavaScript. Implement interactive features, ensure responsive and accessible cross-browser experiences, optimize performance, test and debug code, maintain existing applications, and collaborate with back-end developers for integration.

Build and maintain user-facing web interfaces by translating designs into HTML, CSS, and JavaScript. Implement interactive features, ensure responsive and cross-browser compatibility, optimize performance, test and debug code, collaborate with back-end developers for integration, and maintain existing applications while following accessibility and front-end best practices.

Build high-performance, real-time Angular frontends for AI-driven agent interfaces. Implement SSE/WebSockets streaming, complex state management with Signals/NgRx, visualizations of agent chain-of-thought, human-in-the-loop controls, performance optimizations, and collaborate with backend/AI engineers on API schemas.

Build high-performance, real-time Angular UIs for AI-driven agent workflows. Implement SSE/WebSocket streaming, complex state management (Signals/NgRx), observability dashboards, HITL controls, performance optimizations, and collaborate on API/JSON schema design with backend and AI engineers.

Design and implement high-performance Angular frontends for AI-driven interfaces: real-time SSE/WebSocket streaming, complex state with Signals/NgRx, Chain-of-Thought visualizations, human-in-the-loop controls, performance optimization, API schema collaboration, and testing.

Lead technical design, development, and performance optimization for the Stablecoin frontend. Improve responsiveness, compatibility, security, and user experience while coordinating with product managers and ensuring frontend stability.

As a Senior Software Engineer for AI products, you will own features across the stack, develop the AI SRE product, create integrations, and collaborate on user experience while ensuring technical quality.

Own frontend architecture and platform for a unified web console. Build identity-adjacent systems (auth, sessions, CORS/CSRF protections), shared infra and tooling, testing strategies, and enable other teams to ship reliable UIs. Collaborate across design, growth, and infrastructure; participate in on-call rotation.

Lead end-to-end implementation of high-fidelity, performant, and accessible frontend features for a realtime collaborative visual canvas. Translate designs into polished interactions, optimize performance and accessibility, collaborate with PMs, designers, and backend engineers, and shape frontend best practices and design systems.

Develop and customize a new enterprise-wide front-end web application to support ONIs production and dissemination environment. Provide front-end site customization, workflow troubleshooting, data analytics support, documentation, and cross-team communication to ensure delivery and adoption of the new production tool.

Maintain and enhance the FortiSwitch web GUI by locating and fixing bugs, proposing and implementing new features, writing i18n/a11y-compliant HTML/JS/CSS (TypeScript/SCSS), interfacing with backend C code, drafting functional specs, and improving performance and codebase maintainability.

Build and implement user-facing web interfaces from designs using HTML, CSS, and JavaScript. Create interactive, responsive, and accessible features, optimize performance, ensure cross-browser compatibility, test and debug code, maintain existing applications, and collaborate with back-end developers for integration.

Design, build, and maintain user-facing web interfaces. Translate mockups into HTML/CSS/JavaScript, implement interactive elements with front-end frameworks, ensure responsive and accessible cross-browser experiences, optimize performance, test and debug code, and collaborate with back-end engineers.

Lead design and build of internal web visualization tooling for ML and AV teams. Architect scalable React/TypeScript/Vue frontends, collaborate cross-functionally, drive performance and UX best practices, mentor engineers, and deliver mission-critical data-heavy UI systems.

Technical lead for the Mobile BFF team owning architecture and development of GraphQL BFF services for native mobile apps. Drive technical decisions, mentor engineers, improve performance, de-risk complex work, maintain CI/CD, and collaborate across teams to ensure scalable, reliable mobile experiences.

Design, build, and maintain scalable GraphQL Backend-for-Frontend services for Procore mobile apps. Collaborate with infrastructure and platform teams, mentor engineers, implement CI/CD (CircleCI, ArgoCD), ensure reliability and performance, and balance short-term and long-term architectural tradeoffs using technologies like Ruby on Rails, Node.js, Java, AWS, Kubernetes, Postgres, and TypeScript.

Develop user-centric, accessible front-end web applications in collaboration with UI/UX designers and back-end developers using JavaScript and React. Ensure cross-browser/platform compatibility, meet accessibility and security requirements, participate in code reviews, mentoring, and support back-end development as needed.

Develop and maintain front-end web applications using JavaScript, HTML and CSS; integrate with RESTful backends; use MVC patterns, preprocessors (LESS/SASS), build tools (Bower/Grunt), version control, and creative design tools. Collaborate with developers, meet deadlines, ensure cross-browser compatibility, and adopt emerging web standards and technologies.

Senior Front-End React developer responsible for building accessible, high-quality UI using React/Redux and TypeScript/ES6, integrating APIs, creating HOCs, writing unit tests, debugging production issues, and collaborating with teams.

Lead frontend architecture and technical strategy for a collaborative work platform. Build scalable React/TypeScript applications, design systems, real-time collaboration (sync, offline, serialization), optimize performance and observability, mentor engineers, and collaborate with Product, Design, and Backend teams to deliver high-quality, maintainable user experiences.

Own and ship major parts of a core web application for power users. Build high-performance, stateful interfaces for search, transactions, and workflows. Collaborate with backend, product, and design to define and deliver end-to-end features with full ownership.

Design, architect, and deliver scalable, high-performance Angular (v21) frontend systems. Define frontend standards and design system components, own end-to-end implementation, ensure accessibility, performance, testing, CI/CD, and reliability. Partner with Product and UX, mentor peers, and drive cross-team frontend initiatives.

The Senior Frontend Engineer will develop and maintain front-end features, collaborate with teams, and enhance user experience while mentoring junior engineers.

Lead the front-end architecture and development of the FanSight platform, owning end-to-end systems and user experience. Build scalable, high-performance consumer-facing and B2B web applications, implement APIs and services, set engineering standards, guide technical direction, mentor engineers, and collaborate with product, design, security, and cross-functional teams to deliver accessible, resilient applications that handle massive traffic.

Lead technical direction and contribute to the frontend codebase, building user-facing tools and mentoring team engineers to enhance user experiences.