Top Front End Developer Jobs in Los Angeles, CA

The Staff Frontend Engineer will lead frontend architecture, build high-performance React applications, mentor junior engineers, and collaborate closely with product teams to enhance user experiences.

The Sr. Software Engineer, Front End will develop 2D and 3D frontend features, drive architectural direction, mentor junior engineers, and address technical debt under high accountability in a complex simulation environment.

As a Frontend Engineer, you will design and build high-performance React applications, mentor junior engineers, and improve frontend reliability and performance in a fast-paced environment.

As a Frontend Developer, you will develop and deploy user interfaces, collaborate with teams, write code, and contribute to documentation. Responsibilities include troubleshooting and implementing features in an agile environment.

As a Frontend Engineer, you'll build user interfaces for Crunchyroll's Service Monetization Platform, optimizing performance and enhancing user experience in a collaborative team environment.

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

Build and maintain React-based micro front-ends and contribute to the frontend platform. Collaborate with designers, backend engineers, and product to implement accessible, responsive interfaces, optimize GraphQL data fetching, write unit/integration tests, participate in code reviews, and manage CI/CD pipelines using NX and CircleCI.

As a Senior Frontend Engineer, you will develop user interfaces for a website, conversational AI, and browser extension, ensuring high quality and performance.

Lead and develop features for the Risk Cloud platform while collaborating across teams and advocating modern engineering best practices.

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.

Design user interfaces and workflows in Figma, implement designs using Vue.js and Next.js, and collaborate with backend engineers on API integration.

The UI Frontend Developer will design and develop responsive web applications, coordinate with backend developers, and create modular components, while ensuring high-quality coding standards.

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.

The Lead Front-End Developer will lead frontend initiatives, ensuring an optimal user experience, architecting solutions, and mentoring developers.

Responsible for developing and maintaining a web-based user interface, collaborating with UI/UX teams and backend developers, and ensuring an optimized application through problem-solving and communication skills.

The HTML Developer will create responsive HTML templates, collaborate with developers, ensure cross-browser compatibility, and debug issues while staying updated on trends.

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.

Build and maintain performant web and mobile trading interfaces using React/React Native and TypeScript. Implement trading flows, wallet integration, real-time data visualization, reusable component libraries, and optimize UI performance under high-frequency updates while handling edge cases and collaborating with backend and wallet engineers.

Seeking a skilled Front-End React Developer with 3-5 years of experience to develop responsive web applications, optimize performance, and collaborate in an agile environment.

As a Front-End Engineer, you will build and refine user-facing components, ensuring responsiveness, performance, and user experience through collaboration with UI/UX and backend teams.

Develop and maintain Java backend services for enterprise blockchain applications, integrate APIs with React/Vue frontends, design scalable blockchain solutions, troubleshoot complex backend issues, and collaborate with the team to apply best practices and stay current with blockchain trends.

Build sophisticated user interfaces for AI and blockchain interactions, including monitoring tools and decentralized application interfaces, while collaborating across teams for seamless user experience.

Design, build, and maintain high-performance Next.js + TypeScript front-end applications. Implement responsive, accessible UIs, optimize rendering and bundle size, integrate with REST and WebSocket APIs, contribute to back-end work as needed, uphold testing and documentation standards, and mentor junior engineers.

Design, build, and maintain scalable frontend applications using Vue 3 and TypeScript. Own feature delivery from design through production, build reusable components and architecture, improve performance and accessibility, collaborate with backend teams on APIs, write tests, mentor engineers, and help shape frontend tooling, CI/CD, observability, and security practices.

The Staff Front End Engineer will lead technical direction, improve app features, mentor engineers, and collaborate with cross-functional teams using React Native.