Front End Developer Jobs in Sunnyvale, CA

The Senior Fullstack/Frontend Engineer will architect and implement scalable frontend systems for AV mapping applications, collaborating with cross-functional teams to enhance user experience and performance in autonomous driving technologies.

The Staff Frontend Engineer will design the UI for a high-performance datacenter infrastructure platform, optimizing for speed and handling complex datasets. Responsibilities include building applications, collaborating on API design, and establishing frontend architecture.

Build and maintain the Falcon platform UI, owning policy framework features from design to delivery. Develop reusable components (Ember/Web Components), write automated tests, mentor junior engineers, improve developer experience, and collaborate cross-functionally to enable policy-driven security features.

Build, maintain, and optimize scalable front-end systems and web experiences. Translate Figma designs into reusable components, support large-scale site migrations, improve performance, accessibility, and SEO, and work with cross-functional teams using modern workflows and AI-assisted tools.

As a Senior Fullstack Engineer, you'll lead the development of AI-powered web applications, ensuring scalability and modular design while collaborating across teams to enhance user experience.

Develop front-end applications utilizing WPF and web technologies. Require strong knowledge of HTML5, CSS3, and JavaScript with 5-7 years experience.

Seeking a Front-End Developer with 5-7 years of experience in development, proficient in WPF and front-end web technologies including HTML5 and CSS3.

The Front End Developer will design UI frameworks and implement user experiences, converting UX requirements into high-quality HTML, JS, and CSS, while collaborating with designers and backend engineers.

The role involves developing high-quality, low-latency user experiences for web applications, collaborating with various teams, and utilizing web technologies effectively.

Build scalable, accessible frontend components and UX for an AI-native data platform using React and Next.js. Implement dashboards, agent interfaces, and multi-tenant admin panels; integrate real-time and streaming data, APIs, and visualize high-dimensional data. Contribute to component libraries, design systems, and ship production-ready, responsive features.

The role involves building and redesigning web applications, focusing on client-side development, UI design, and implementing scalable frameworks.

Design and build high-performance React applications, lead technical design for features, improve frontend reliability, and mentor engineers.

Design, test, and deploy high-performance web applications for simulation platforms, collaborating with UX designers and integrating AI technologies.

Frontend/Web UI Developer responsible for building and maintaining web user interfaces using AngularJS and ReactJS. Participate in SDLC and project lifecycle activities, perform design and architecture reviews, collaborate with global teams, and communicate with stakeholders. Role requires extensive travel and prolonged computer-based work.

Develop and maintain responsive, fluid UI using Angular.js, Node.js, advanced CSS and HTML5. Work independently on front-end features, delivering high-quality, production-ready interfaces. Must be hands-on and available to work through December holidays. Contract role requiring extensive UI experience.

Design and implement responsive front-end interfaces using HTML, CSS, and JavaScript. Build UIs with JS libraries (jQuery, Backbone), integrate with web services, apply automation and test-driven development, and deliver excellent UX with strong communication.

Develop RF front-end modules for Starlink Mobile network, including design, simulation, fabrication, testing, and optimization of multi-chip modules containing RF components.

Lead development of AI-powered enterprise platforms, focusing on full-stack web development, UI/UX design, and data visualization.

Join an early-stage B2B enterprise AI startup as a frontend or frontend-leaning fullstack engineer. Build user-facing products and standalone UI component libraries using React, TypeScript, and Next.js. Design and architect frontend features from scratch, handle fullstack responsibilities as needed, solve challenging technical problems, and contribute as a core member of the growing team in a hybrid Palo Alto office.

The Staff Software Engineer will architect and maintain Datagrid Pages and Dataset Editor, focusing on UI design, efficient code, and mentorship while collaborating with teams to support Procore's AI strategy.

Build interactive web UI components and real-time visualizations for a robot platform using modern frontend frameworks, collaborate cross-functionally, use AI-assisted development tools, and learn CI/CD and testing workflows while contributing to production code.

The Sr. Front-end Engineer will work on search and category pages, requiring strong JavaScript and React.JS skills with 3-4 years of experience.

The Front End Developer will design UI frameworks, collaborate with UX designers and backend engineers, and convert UX requirements into HTML, JavaScript, and CSS.

As a Senior Frontend Engineer, you'll develop UI features for the AI voice platform, working with React and TypeScript while collaborating on backend systems and leading projects from concept to launch.

Design and build responsive, high-performance front-end interfaces for AI-driven finance workflows. Translate complex data into clear visualizations, balance automation with human control, collaborate with backend and AI teams, and own frontend architecture and design system standards.