Top Front End Developer Jobs in San Francisco Bay Area, CA

Build and maintain single-page web applications for CrowdStrike’s Advanced Research team using Ember.js, Lit, and TypeScript. Collaborate with UX, data, cloud, and research specialists; write automated tests; contribute to code reviews; support accessible interface development; and guide frontend architecture and user experience decisions. The role develops internal tooling and customer-facing features for the Automated Leads product in a remote-first environment.

Develop and maintain a fraud-analysis web application and platform, with 60–70% frontend focus. Build APIs, collaborate with product and cross-functional teams, write automated tests, analyze product metrics, troubleshoot issues, maintain service-level requirements, and participate in on-call support. The role uses React, backend languages, databases, Docker, and AWS technologies in a remote U.S.-based environment.

Lead frontend technical strategy for Affirm’s checkout decision orchestration systems. Design and architect scalable web applications, guide major technical initiatives, improve reliability and operational processes, establish engineering quality standards, collaborate with product, design, and analytics, and mentor engineers. The role focuses on building fast, clear, and reliable checkout experiences using modern declarative UI frameworks.

Build a high-performance frontend data platform for exploring and analyzing hardware telemetry. Develop React and TypeScript applications, interactive time-series visualizations, data visualization plugins, complex application state management, and LLM-assisted analysis workflows. Collaborate directly with hardware engineers and customers to define interfaces, prototype workflows, demonstrate features, and incorporate feedback into product development.

Build and own production frontend experiences for a voice AI platform, including prompt management, dashboards, analytics, and customer-facing tools. Develop responsive interfaces with React and TypeScript, collaborate with backend and DevOps teams, lead projects from architecture through launch, onboard customers, debug use cases, and incorporate feedback into UX improvements.

Build and own frontend product features, developer SDKs, design systems, platform tooling, and performance observability. Ship React and TypeScript experiences end to end, guide technical decisions, maintain CI/CD and monorepo workflows, improve accessibility and web performance, and collaborate directly with customers. The role involves shaping analyst-facing compliance workflows, supporting developer integrations, and potentially contributing to a Rust backend.

Leads frontend architecture and technical strategy for Scout Motors’ customer vehicle-purchase journey, including configuration, financing, trade-in, and delivery. Builds performant, accessible React and TypeScript experiences, owns design systems and component libraries, drives Core Web Vitals and reliability standards, conducts architectural reviews, partners with product and design, mentors senior engineers, and establishes cross-team frontend practices. The role is based in San Ramon with three weekly office days and domestic travel.

Lead frontend architecture and development for customer-facing vehicle purchasing experiences, including configuration, trade-in, financing, leasing, and delivery. Build performant, accessible interfaces, evolve component libraries and design systems, guide UX and technical decisions, and establish frontend standards through architecture documents and reviews. Mentor engineers, monitor performance and resilience, champion accessibility, and evaluate AI-assisted development tools.

Build and maintain frontend products, features, and scaling tools across the Brex stack. Collaborate with engineering, sales, support, product, design, and operations teams; design experiments; own user experience, data models, scalability, operability, and metrics; and lead complex cross-functional initiatives while maintaining high engineering standards.

Build end-to-end product experiences as a customer-focused full-stack engineer with a frontend emphasis. Develop scalable components and design systems using Python, FastAPI, PostgreSQL, TypeScript, Next.js, React, Tailwind CSS, AWS, and PyTorch. Collaborate closely with users, propose product initiatives, write clean code, and ship features rapidly for AI and LLM-focused developer tools.

Build and support production full-stack applications with a frontend focus using TypeScript and React. Design intuitive interfaces for simulation, synthetic data, testing, evaluation, and autonomy workflows. Integrate APIs and backend services, improve performance and accessibility, test complete user workflows, and create reusable components and extension points. Collaborate closely with developers, product, design, and domain experts to deliver reliable applications across local, cluster, edge, and air-gapped environments.

Build performant, beautiful, and usable frontend interfaces using JavaScript, React, TypeScript, Vite, and Ryu. Lead complex projects, influence technical vision, improve engineering processes, uphold high UX standards, and collaborate across teams. The role includes recruiting, interviewing, mentoring engineers and interns, and translating business and product ideas into scalable engineering solutions.

Develop and maintain accessible, responsive, high-performance web applications for government customers using React, Node.js, USWDS, and modern JavaScript. Build reusable UI components, integrate REST APIs, optimize Vite builds, support Nginx and containerized deployments, troubleshoot performance and browser issues, and collaborate with UX, product, DevOps, DataOps, and cloud teams. The role requires Agile and Git experience, U.S. citizenship, and the ability to obtain and maintain Public Trust clearance.

Build and maintain interactive website-building tools for Bask Health merchants using React, Next.js, and TypeScript. Develop reusable components, configuration panels, live previews, editing and publishing workflows, state management, validation, accessibility, automated tests, and performance improvements. Collaborate with product, design, and backend teams, integrate APIs, troubleshoot production issues, shape frontend architecture, mentor engineers, and own complex features through production.

Build visually polished, responsive web experiences and interactive frontend components using React, Next.js, and TypeScript. Translate Figma designs into production interfaces, develop animations and reusable components, support customizable storefronts and landing pages, optimize performance and accessibility, and ensure cross-browser compatibility. Collaborate with designers, product managers, and engineers from concept through deployment while maintaining clean code, design systems, and high-quality user experiences.

Build and maintain frontend features for Bask Health’s telehealth platform using JavaScript, TypeScript, React, and Next.js. Develop responsive interfaces, reusable components, dashboards, workflows, and API integrations. Collaborate with engineers, designers, and product managers; write tests, debug issues, improve accessibility and performance, participate in code reviews, and gradually own features through development, testing, and release.

Build and maintain frontend features for website creation, visual editing, content management, storefront customization, and publishing. Develop reusable React, Next.js, and TypeScript components, live previews, responsive templates, interactive controls, and configurable page layouts. Integrate backend APIs, improve performance and accessibility, write automated tests, debug frontend issues, and collaborate with designers, product managers, and backend engineers. Own features through development, deployment, and maintenance.

Build and maintain reliable full-stack applications for high-stakes hospital environments, specializing in frontend architecture, design systems, modularity, mobile readiness, and cross-device experiences. Collaborate with design, product, and machine learning teams; mentor engineers on frontend practices; deliver frequent enhancements with minimal regressions; and own projects end to end. Some international travel to hospitals is required for workflow observation and clinical-user collaboration.

Build and maintain responsive, high-performance web interfaces using React and JavaScript. Translate designs into reusable components, integrate REST and GraphQL APIs, optimize performance and cross-browser compatibility, and collaborate with designers, backend engineers, and product teams to deliver features.

Build and maintain a research library, website, landing pages, and platform views including watchlists, screeners, and sector and hazard drill-downs. Work primarily on front-end development while collaborating with data scientists and the CTO across the stack using React, TypeScript, FastAPI, Supabase, and Vercel. Data visualization, geospatial development, product management, design, and database experience are advantageous.

Lead full-stack engineering projects across Harvey’s AI-powered legal products. Build scalable document ingestion, data collection, secure systems, AI-native features, agentic orchestration, retrieval systems, and integrations across web, desktop, mobile, Google Docs, MS Word, and APIs. Develop intuitive frontend experiences with React and TypeScript and robust backend services with Python and PostgreSQL, supporting streaming results, long-running processes, and complex tool-calling workflows.

Build and scale Salesforce’s MeshMesh networking platform through front-end architecture, implementation, testing, and delivery. Collaborate with engineering, product, UX, and performance teams; improve development processes; review designs and code; mentor engineers; and create automated testing frameworks and unit and functional tests. The role requires strong web technology expertise, React ecosystem experience, scalable application development, and use of AI coding tools.

Build and maintain reusable React components, forms, and shared libraries for VA.gov. Extend the VA Design System, fix bugs, write automated tests and Storybook documentation, and ensure accessible implementation meeting Section 508 and WCAG 2.2 AA standards. Collaborate with designers and engineers to translate Figma designs into code, participate in code reviews and Agile ceremonies, and use AI-assisted development tools to improve delivery quality.

Develop and enhance website functionality using React, optimize system performance, design technical solutions, and independently break technical specifications into subtasks. The role also involves applying SOLID principles, understanding FRP and HTTP(S)/WS(S) protocols, implementing native UX/UI components, conducting code reviews, and working with TypeScript and RxJS.

Build and deliver customer-facing web features using React and TypeScript while contributing to Node.js services, REST or GraphQL APIs, and backend-for-frontend layers. Translate customer requirements into clean, modular, well-tested code, collaborate with Product, Design, and Operations, work in an Agile environment, and mentor other engineers. Support web quality, performance, and user experience across Credible’s financial marketplace platform.