Front End Developer Jobs in Sunnyvale, CA

Lead development of Moveworks' fullstack web applications and AI-powered agent builder experiences. Design scalable UI frameworks, web technology stacks, authentication, event tracking, design systems, and APIs. Collaborate with product, machine learning, and engineering teams to improve user experience and customer adoption while delivering reliable, modular solutions for global enterprise customers.

Build and maintain single-page web applications for the Falcon platform using Ember.js (and other modern frameworks). Collaborate with cross-functional teams, write automated tests, improve developer tooling, and deliver accessible, high-performance UI for security workflows.

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.

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.

Architect, design and implement features for RISC-V CPU core generators using Chisel, with responsibilities in verification and performance modeling, collaborating with teams.

Design and implement CPU microarchitecture features and ISA extensions using Chisel; integrate into Chisel/FIRRTL framework; perform sandbox verification and collaborate with verification, physical implementation, and performance teams to meet frequency, area, power, and performance goals. Produce documentation and participate in collaborative design.

Join a talent network connecting founding front-end engineers with VC-backed startups. Responsibilities include designing and building scalable, high-performance web UIs, optimizing performance and accessibility, creating reusable component libraries, integrating APIs and client-side logic, and defining front-end best practices and testing strategies while collaborating with designers, backend engineers, and founders.

Join a talent network connecting staff front-end engineers with VC-backed startups. Responsibilities include designing and building scalable, high-performance front-end applications, defining front-end architecture and component libraries, improving performance and accessibility, integrating with APIs, establishing testing and CI/CD best practices, and mentoring junior engineers.

Develop scalable front-end systems for complex web applications, ensuring security and performance while collaborating with teams.

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.

Lead verification strategy and execution for CPU frontend in high-performance out-of-order cores. Define test plans, checkers, assertions, coverage, and stimulus for branch prediction, instruction fetch, redirects, recovery, and MMU/ITLB interactions. Partner with architects, RTL, performance, and verification teams, apply simulation, formal, and emulation methods, drive block- and core-level signoff, mentor engineers, and build reusable DV infrastructure and methodology.

Own and build complex frontend user experiences for an AI-native cybersecurity platform. Design performant interfaces, visualizations, and dashboards for security analysts, define frontend architecture and standards, collaborate with product/backend/AI teams, and integrate AI to improve investigation and response workflows while ensuring scalability and maintainability.

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

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.

Work with ASIC Infrastructure to enhance design productivity, deploy AI toolsets at scale, and improve CI systems while solving complex issues.

Join Ema as a Software Engineer to design and develop user interfaces for web applications, collaborating with product managers and UX designers, and integrating APIs.

Develop user-facing features and create frontend infrastructure using React.js and TypeScript, collaborating with product designers and backend engineers.

Build, maintain, and automate front-end compilation, synthesis, and emulation flows. Debug and triage compilation/synthesis regressions, collaborate with RTL designers and EDA vendors, improve performance, reliability, and observability, and apply AI techniques to automate failure classification and root-cause analysis.

Build and architect user-facing products and reusable UI component libraries using React, TypeScript, and Next.js. Design frontend systems, solve complex technical problems, and take on full-stack responsibilities at an early-stage, hybrid Palo Alto team.

Develop and modify custom Jive templates for Jive 6.0 using Soy and Freemarker. Translate requirements and wireframes into front-end code (JavaScript), ensuring attention to detail and clear communication.

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 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.

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

Lead microarchitecture and front-end RTL design for wafer-scale AI chips. Define functional specs, develop RTL, integrate IP, collaborate with PD/DFT/software teams, debug silicon bring-up, and meet PPA goals.