Top Senior Front End Developer Jobs

Lead frontend feature releases and own user experience, performance, testing, and production health for a React and TypeScript dental practice management platform. Collaborate with backend engineers using Java Spring Boot, develop AI-powered interfaces, integrate AI tools such as Claude, participate in code reviews, improve team efficiency, and estimate development work for timely delivery.

Lead design and delivery of modern, responsive React/TypeScript UIs, architect micro-frontends, build reusable component libraries, prototype features, mentor developers, ensure accessibility and performance, and drive adoption of enterprise AI-assisted engineering practices.

Build robust, scalable frontend applications for Deploy’s data and enterprise products. Collaborate with design, product, and engineering teams to deliver high-quality user experiences, participate in product decisions, improve team efficiency, and secure code using OWASP practices. The role requires strong JavaScript, HTML, CSS, React, Redux, software design, testing, communication, and independent decision-making skills.

Build high-performance, scalable frontend applications using React, Redux, JavaScript, HTML, and CSS. Collaborate with design and product teams to deliver user-focused features, participate in product decisions, improve team efficiency, and write secure, maintainable, testable code. The role requires strong UX sensibilities, independent decision-making, effective communication, and application of OWASP security practices.

Develop and maintain full-stack web applications using Next.js, React, and Strapi. Build user interfaces, server-side routing, APIs, third-party integrations, and automated tests. Manage package upgrades, resolve breaking changes, fix bugs, and ensure accessibility, performance, usability, and cross-platform compatibility. Collaborate with clients on website design and requirements while using Azure DevOps for sprint management, pull requests, and deployments.

Develop and maintain responsive Angular web applications using Angular 19+, Signals, Reactive Forms, and modular component architecture. Build complex forms, integrate REST APIs with RxJS, optimize change detection and performance, and create unit tests with Vitest or Jest. Collaborate with design, backend, and product teams, troubleshoot cross-browser issues, participate in code reviews, and follow modern front-end development practices.

Owns the design, development, security, performance, and scalability of Cerby’s cross-browser Manifest V3 extension. Builds React and TypeScript experiences across extension surfaces, manages service-worker synchronization and authentication workflows, and ensures secure credential handling. Responsibilities include dependency and supply-chain security, testing, observability, code reviews, mentoring, cross-functional collaboration, and production delivery in an agile remote environment. The role also promotes responsible AI-assisted development practices.

Build and operate full-stack observability features across Go and Python services, gRPC and REST APIs, data ingestion pipelines, and React/TypeScript dashboards. Design scalable telemetry visualizations, real-time data flows, automated tests, and production reliability practices. Collaborate cross-functionally, participate in on-call, mentor teammates, shape architecture and roadmaps, and use AI-enabled development tools responsibly.

Develop front-end web applications using AngularJS, JavaScript, HTML5, CSS3, AJAX, Bootstrap, and responsive design. Build solutions with the Microsoft .NET Framework, Web API, MVC, Razor, SPA architecture, Entity Framework, dependency injection, OWIN, and cloud hosting. This is a 4+ month contract based in Mountain View, California.

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.

Own and extend a custom WebGL2 rendering engine and Three.js 3D brain visualization layer for real-time EEG data. Develop GLSL shaders and GPU-accelerated signal processing, optimize rendering and memory performance for large streaming datasets, and integrate visualization components into a Vue frontend. Collaborate with neuroscientists and clinical specialists to translate algorithms into production software while resolving browser, GPU, and rendering compatibility issues.

Develop and maintain enterprise websites and reusable AEM components using React, JavaScript/TypeScript, HTML, and CSS. Integrate React applications within AEM, implement accessibility and technical SEO best practices, optimize performance and responsive behavior, troubleshoot issues, and collaborate with marketing, UX, content, design, backend, and QA teams. Support releases, code reviews, production issues, and ongoing digital experience improvements.

Design, build, and optimize responsive, high-performance front-end interfaces for a Web3 DEX using modern JavaScript frameworks and TypeScript. Collaborate with designers, product, and back-end teams to integrate blockchain APIs and smart contracts, mentor junior developers, troubleshoot issues, and contribute to mobile-first/PWA development while ensuring scalability and maintainability.

Develop and maintain enterprise-scale frontend applications using React, Angular, and AngularJS. Build user interfaces, integrate backend services and APIs, apply state management and frontend architecture best practices, and create automated tests. Use AI coding assistants and LLM tools for development, debugging, and quality improvement. Troubleshoot issues, optimize performance, and collaborate with cross-functional teams throughout the software development lifecycle.

Build and scale React Native mobile and React web features, owning frontend architecture, performance, analytics instrumentation, and polished user experiences. Partner with product and design, remove delivery bottlenecks, and establish frontend quality standards in a fast-moving startup. The role requires hands-on senior engineering, product judgment, end-to-end ownership, and daily use of AI coding tools.

Architect and build a high-performance trading platform for active traders. Develop responsive web interfaces integrating real-time market data, low-latency execution workflows, and advanced trading tools. Collaborate with cross-functional engineering teams on large-scale initiatives, emphasizing scalability, performance, API quality, maintainability, developer experience, and end-user usability.

Lead the evolution of Seeq’s frontend infrastructure, including React systems, component libraries, state management, styling architecture, and reusable application patterns. Drive large-scale refactors, improve developer experience, ensure accessibility and performance, evaluate open-source tools, and establish technical standards adopted across teams. Collaborate with designers, product teams, and engineers through architecture reviews, documentation, code reviews, mentoring, and cross-team delivery.

Develops and maintains browser-based web applications and user interfaces for mission-focused data and analytics. Responsibilities include writing JavaScript, HTML, and CSS; integrating REST APIs; collaborating with designers, backend engineers, and data scientists; troubleshooting customer issues; writing unit tests; conducting QA testing; and participating in code reviews. The role requires an active Secret clearance, U.S. citizenship, hybrid or onsite availability, and relevant frontend development experience.

Develops and maintains front-end software for mission-critical intelligence applications. Designs accessible, cross-browser user interfaces; builds website layouts, navigation, content, and prototypes; tests and debugs applications; troubleshoots software issues; collaborates with engineers and analysts; and supports Agile development, system integration, installation, and performance requirements in a full-time SCIF environment.

Own the frontend architecture and implementation of a greenfield legal technology product using React and TypeScript. Build complex workflow experiences, reusable components, API integrations, role-aware interfaces, AI-enabled workflows, and secure handling of sensitive data. Establish patterns for state management, routing, forms, validation, accessibility, performance, browser compatibility, and automated testing. Collaborate with product, design, and backend engineers, review code, set standards, and guide frontend development.

Own the frontend architecture and implementation of a greenfield legal technology product using React and TypeScript. Build complex, secure, role-aware workflows; establish component, state-management, routing, form, validation, accessibility, performance, and testing standards; integrate backend APIs and AI-enabled capabilities; and provide technical guidance to frontend developers.

Own the frontend architecture and implementation of a greenfield legal technology product using React and TypeScript. Build complex workflow experiences, reusable components, state management, forms, validation, API integrations, role-aware interfaces, AI-enabled workflows, and automated tests. Ensure accessibility, performance, responsiveness, browser compatibility, and production quality. Partner with backend, product, and design teams, establish frontend standards, review code, and provide technical guidance to other developers.

Own and deliver web frontend products at Uber scale, partnering with stakeholders and cross-functional teams. Build applications using React, GraphQL, Flow, CSS-in-JS, Node.js, and Uber’s frontend frameworks. Measure feature experiments, collaborate with Data Science and Product teams, and iterate on user experiences. Mentor junior engineers, provide technical leadership, and ship high-quality features on schedule.

Build and refine customer-facing React features and internal dashboards, implement TypeScript-based UIs in strict mode, integrate frontend with backend APIs, and contribute to product and design decisions for an AI-driven scheduling assistant.

Lead frontend engineering for large-scale React web applications. Architect application patterns, structure, libraries, and coding standards; build React applications end to end; conduct code reviews; mentor engineers; promote performance, scalability, and maintainability; and collaborate with designers, product managers, and technical and non-technical stakeholders.