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

Build and maintain user-friendly web interfaces for expense and procurement products using React and TypeScript. Implement micro frontend patterns, integrate with backend services via Apollo/GraphQL, collaborate with designers and PMs on shared UI components and design systems, participate in code reviews, triage bugs, and improve frontend engineering standards and observability.

Build scalable, high-performance frontend solutions for growth funnels, landing pages, and marketing campaigns using React and TypeScript. Drive experimentation and A/B testing, collaborate with product, design, marketing and data teams to optimize user journeys, prototype ideas rapidly, and uphold frontend best practices, security, and compliance to improve acquisition and engagement.

Architect and develop scalable frontend applications supporting sales and operational workflows. Lead frontend architecture, frameworks, tooling, accessibility, security, testing, performance, and maintainability. Mentor engineers, guide technical roadmaps, lead large projects, collaborate with product, design, backend, and platform teams, and modernize internal platforms. The role also champions pragmatic AI-assisted development and supports early-stage product evolution in a complex transactional domain.

Build full-stack Django applications with a frontend focus, creating intuitive, interactive, and performant data visualizations for complex healthcare pricing data. Collaborate with product and engineering teams to define user experiences, prioritize features, write scalable code, test and debug systems, improve existing functionality, and translate user requirements into technical solutions.

Lead frontend architecture and implementation for Slate's digital customer experience. Drive design, code, testing, and delivery across web and mobile, mentor engineers, collaborate with UX/product, and make long-term technical trade-offs to ensure reliability and scalability.

Build and maintain responsive, accessible CraftCMS and CraftCommerce sites for B2B manufacturers. Develop catalog and commerce features, forms, transactional emails, third-party integrations, and custom CKEditor elements. Translate Figma designs into Twig and Tailwind CSS implementations using JavaScript, AlpineJS, and Vue. Collaborate with backend developers, project managers, and strategists while using Git, Bitbucket, DDEV, and structured testing and release environments.

Design and build a scalable, responsive UI; lead frontend architecture and optimization; apply UI/UX best practices; integrate with backend APIs; ensure high web performance and deploy user-facing features.

Lead frontend engineering initiatives for Grafana’s DataViz squad, from problem framing through rollout and measurement. Build and improve visualization features using TypeScript, React, uPlot, and eCharts; mentor engineers; contribute to design reviews and technical proposals; participate in on-call and incident response; support customer escalations; and collaborate across squads. The role also emphasizes open-source contribution, observability expertise, pragmatic AI-assisted development, and effective remote communication.

Build and maintain patient- and provider-facing applications using SvelteKit, Tailwind, and TypeScript. Develop Android and iOS progressive web applications, extend PWAs with Kotlin and Swift plugins, integrate CGMs and Apple HealthKit, and consume secure APIs. Collaborate with backend engineers, designers, and clinical experts to deliver accessible, reliable, performant, and patient-safe healthcare experiences.

Build and own high-performance, customer-facing frontend applications using React, Redux, and TypeScript. Integrate AI-powered features, establish AI development guardrails, optimize scalability and reliability, and maintain design systems, testing standards, and continuous delivery practices. Collaborate with product, design, and backend teams while mentoring engineers and driving features from concept through production.

Build and maintain fast, intuitive frontend applications for blockchain and Web3 products. Collaborate with product, design, and engineering teams; develop reusable components and frontend architecture; integrate wallets and smart-contract interactions; improve performance, reliability, and accessibility; participate in technical planning and code reviews; mentor other developers and establish frontend best practices.

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.

Build and own a compliance platform UI from scratch, including dashboards, contract and BAA management, data residency, opt-in/opt-out, authentication, authorization, and access reporting. Partner with backend engineering to shape APIs, launch a lightweight v1, and iterate with internal users across engineering, customer success, DevOps, executives, and privacy teams.

Build and scale data-dense frontend interfaces that help compensation teams benchmark roles, price jobs, and make pay decisions. The role owns technical strategy and delivery outcomes, emphasizing performance, accessibility, interaction quality, reusable systems, and thoughtful prioritization. It also involves mentoring engineers, clarifying ambiguous problems, and contributing effectively in a fast-paced environment.

Own frontend domains end to end, including architecture, implementation, testing, production quality, performance, accessibility, and security. Set technical direction, design reusable component systems, establish testing strategies, diagnose complex browser and production issues, and partner with Product, Design, QA, and engineering teams. Mentor engineers, review consequential changes, and use AI-first development practices while maintaining accountability for shipped software.

Leads frontend architecture strategy across products, directs design-system platform development, establishes quality, security, accessibility, performance, and testing standards, and creates tooling and guardrails for engineering teams. Sets AI-native frontend practices, improves production health, aligns Engineering, Product, Design, and QA, and develops senior engineers into broader technical ownership. The role remains hands-on for high-risk technical work while emphasizing organizational-scale technical direction.

Build and evolve Handshake’s frontend platform, including reusable TypeScript and React components, design systems, accessibility capabilities, developer tooling, CI/CD infrastructure, and AI-enabled workflows. Partner across engineering, design, and product to establish scalable standards, lead technical initiatives, improve developer experience, and drive adoption of shared frontend solutions.

Build and own interactive web experiences across Chat, Notes, Calendar, Docs, and Sheets. Develop reusable frontend architecture, real-time collaboration, rich-text editing, scheduling, tables, spreadsheets, and streaming AI integrations. Partner with product, design, backend, and AI engineering teams to deliver reliable, accessible, high-performance experiences across browsers and devices.

Develops modern, responsive, accessible front-end interfaces, reusable component libraries, templates, and interactive features for federal and DoD-aligned IT environments. Collaborates with UX, backend, CMS, and product teams on API integrations, performance optimization, accessibility compliance, cross-browser troubleshooting, documentation, code reviews, and Agile delivery. Requires an active Secret clearance, bachelor’s degree, and at least seven years of front-end development experience.

Develop and maintain responsive front-end interfaces for federal and DoD-aligned digital properties. Responsibilities include UI and CSS updates, Section 508/WCAG accessibility improvements, content-driven template and component changes, cross-browser testing, performance optimization, design system support, code reviews, and deployment validation. The developer collaborates with UX, design, content, and backend teams while following enterprise brand, security, documentation, and version-control standards.

Develop responsive, accessible enterprise user interfaces using HTML, CSS, and JavaScript. Build interactive components, translate UX designs into production code, integrate APIs, ensure WCAG and Section 508 compliance, troubleshoot cross-browser issues, optimize performance, and support component libraries. Collaborate with designers, backend engineers, analysts, and product owners in Agile environments while documenting standards and implementations.

Own frontend architecture for React and TypeScript applications supporting complex research and analytics workflows. Build performant, accessible interfaces; establish standards for performance, testing, accessibility, and CI quality gates; evolve shared component libraries and design systems; partner on API contracts; address technical debt; contribute to Django services; and mentor engineers while leading department-wide technical initiatives.

The Frontend Engineer role involves developing scalable web applications using Angular, ensuring high-quality user experiences, optimizing performance, and collaborating with backend teams. Responsibilities include code reviews, testing, and supporting deployment processes.

Lead frontend architecture and development for an AI-powered voice platform. Build responsive dashboards and reusable components, integrate real-time WebSocket and WebRTC voice capabilities, consume AI backend APIs, manage complex application state, and optimize performance, accessibility, and reliability. Mentor frontend developers, establish coding standards, collaborate with designers and backend teams, and develop prototypes, testing strategies, and production-ready interfaces.

Lead frontend-leaning full-stack implementation work for carrier and enterprise integrations: architect reusable UI and API layers, author RFCs, guide technical delivery, enforce testing and security best practices, and partner with cross-functional teams to scope and ship production integrations.