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

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.

Lead frontend development for Coinbase identity experiences including login, signup, OAuth, account security, and multi-factor authentication. Own projects from design through deployment and monitoring, guide Native versus Webview architecture, author technical designs, resolve systemic technical debt, lead on-call and incident response, and mentor engineers.

Lead the architecture and delivery of large-scale React and React Native applications across web and mobile. Establish frontend standards for performance, accessibility, reliability, and maintainability; build shared component libraries and design systems; resolve complex frontend and cross-stack issues; partner with product, design, and backend teams; and mentor engineers while shaping technical strategy across multiple product areas.

Build and maintain scalable, performant, testable user interfaces and product features using React and TypeScript. Lead major frontend components, improve software architecture, and ensure consistent experiences across devices, browsers, and settings. Collaborate with backend, Android, iOS, product, and design teams to deliver consumer-facing products. Own engineering projects, define success metrics, validate decisions, and prioritize privacy and user experience.

Mochi Health seeks a Senior Front-End Engineer to build and own complex healthcare interfaces, ensuring a seamless user experience and managing client-side architecture. Responsibilities include collaborating with mobile teams, maintaining frontend reliability, and integrating AI into products.

Build high-performance, responsive, and accessible frontend applications across e-commerce, B2B, and internal tools using Next.js, React, and TypeScript. Implement design-system components, optimize Core Web Vitals, add animations, support A/B testing, collaborate in a monorepo with backend teams, and design interfaces for AI agents with real-time streaming and error handling.

Build and improve SalonBiz’s frontend-focused SaaS products using Angular, JavaScript, and PL/SQL. Deliver secure, high-quality software across features, bug fixes, technical improvements, releases, monitoring, deployments, and on-call support. Collaborate with Product, Design, QA, and Engineering in an agile environment while contributing to technical planning, software design, engineering standards, technical debt reduction, mentoring, and continuous delivery improvements.

Own and deliver polished, accessible, high-performance frontend experiences using React and TypeScript. Set frontend technical standards, mentor engineers, use AI-assisted development tools, and contribute to product roadmaps. Build backend services and APIs in Go as needed, collaborate with stakeholders, document user-facing products, and help shape engineering culture and quality.

Develop and enhance interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and JavaScript. Responsibilities include building UI/UX components, reviewing requirements and designs, consuming REST APIs, optimizing performance and scalability, debugging, documenting changes, participating in code reviews, and collaborating with team members. The role is remote, supports a federal customer, and requires Public Trust clearance and U.S. citizenship.

Build the realtime, HIPAA-compliant messaging and collaboration frontend ('Pulse') that makes an AI colleague feel human. Implement complex interactive data visualizations, micro-interactions, and high-performance accessible interfaces. Work embedded with product and design, own UI quality, iterate on AI-driven specs, and deliver production frontend experiences clinicians will trust.

Design, build, and deliver front-end features with strong UX focus. Own technical design, coding, testing, deployment, and monitoring in a continuous delivery, microservices environment. Collaborate with Product, implement automated QA practices, and contribute to production deployments while practicing robust testing methodologies.

Architect and build high-performance frontend systems for real-time geospatial interfaces controlling autonomous systems. Responsibilities include telemetry ingestion, state management, rendering, connectivity resilience, browser performance optimization, geospatial visualization, scalability, technical architecture, design reviews, and mentoring. The role remains hands-on while influencing frontend strategy and solving complex performance and systems-design challenges.

Build and optimize pipelines migrating 8,000+ documentation pages, recreate technical documentation UI components in Angular, manage CI/CD and DevOps workflows, and work with Java backend services and proprietary enterprise infrastructure. Collaborate with design and digital teams, engage directly with clients, lead technical projects, and deliver reliable systems under aggressive timelines.

Lead the strategic direction of frontend engineering, architecture, tooling, and standards. Build accessible, high-performing React or Angular applications, component libraries, design systems, deployment pipelines, and testing strategies. Drive modernization, performance, accessibility, and developer-experience initiatives while collaborating with product and design teams. Mentor engineers, influence cross-team technical decisions, and contribute across the full stack when needed. The role is remote, requires U.S. citizenship and the ability to obtain Public Trust 6C, and involves up to 10% travel.

Own frontend product experiences end-to-end, from problem definition and interaction design through implementation, launch, and iteration. Build polished, responsive interfaces with React and TypeScript, develop reusable components and design systems, and improve performance, accessibility, reliability, and cross-browser behavior. The role requires strong product and UX judgment, sophisticated animations, attention to detail, ownership, and comfort working on ambiguous problems in a fast-paced distributed startup environment.

Develop and enhance interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and front-end technologies. Responsibilities include implementing UI/UX components, integrating REST APIs and data formats, improving application performance and scalability, reviewing requirements, documenting changes, participating in code reviews, and collaborating with technical teams. The role supports a federal customer remotely and requires Public Trust clearance and U.S. citizenship.

Develop and support interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and front-end technologies. Responsibilities include building UI/UX components, reviewing requirements and designs, consuming REST APIs, optimizing performance and scalability, debugging, documenting changes, participating in code reviews, and collaborating with technical teams. The role supports a federal customer remotely and requires Public Trust clearance and U.S. citizenship.

Develop and enhance interactive front-end web applications for the Budget and Spend solution using SAP Analytics Cloud and JavaScript. Responsibilities include building planning and reporting applications, implementing UI/UX components, integrating REST APIs and data formats, improving performance and scalability, documenting changes, conducting code reviews, and collaborating with technical teams.

Develop and support front-end web applications for a Budget and Spend solution using SAP Analytics Cloud and JavaScript. Build interactive planning, reporting, dashboard, and analytics features; review requirements, implement UI/UX components, optimize performance and scalability, consume REST APIs, document changes, participate in code reviews, and collaborate with team members. The remote role supports a Washington, DC customer and requires Public Trust clearance and U.S. citizenship.

Develop and support interactive front-end web applications for the Budget and Spend solution using SAP Analytics Cloud and JavaScript. Build planning and reporting applications, create UI/UX components, integrate REST APIs and data formats, optimize performance and scalability, document changes, review code, and collaborate with technical teams. The role is remote, supports a federal customer, and requires Public Trust clearance and U.S. citizenship.

Build and improve Kikoff’s flagship credit-building product as a senior frontend engineer. Develop features that increase retention, engagement, and revenue while collaborating closely with product managers, designers, and data scientists. Explore and scope new opportunities, analyze data for business decisions, solve problems beyond your expertise, and deliver measurable customer impact using SolidJS or React.

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.

3-month contract Frontend Engineer to build client-facing UIs and integrations for cybersecurity use cases. Collaborate with product, design, and engineering to deliver secure, performant, scalable features, maintain component libraries and automated tests. Remote (GMT+8) role focused on TypeScript and modern web tooling.

Build and own end-to-end frontend experiences for Coinbase card products across web and mobile. Ship high-scale consumer features, improve payment flow performance and SLOs, reduce latency and CX contacts, mentor engineers, and collaborate with product, design, and backend teams to deliver reliable, user-focused card functionality.

Build reliable, scalable frontend applications and components for Zip’s enterprise procurement platform. Develop user-facing features, APIs, and maintainable production code while collaborating with product and customer-facing teams. Engineers own work from concept through production, contribute to frontend architecture and practices, and may work with AI/ML teams to create intelligent workflows.