373 react frontend jobs at 217 companies in Los Gatos, CA

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Frontend Developer (React)
San Francisco, California, United States
RemoteFull Time
CareerSwift
CareerSwift: AI-powered recruitment and job search automation platform
Basic React experience, comfortable with HTML/CSS/JavaScript, Git proficiency, English communication skills, able to work independently. Side projects and coursework accepted.
React, HTML, CSS, JavaScript, Git
3w
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Founding Frontend Engineer
San Francisco or New York
OnsiteFull Time
Ciridae
Ciridae: Develops AI-native operating systems for real-economy businesses.
4+ YOE4+ years building production frontend with React and TypeScript, strong UX instincts, ability to translate vague requirements into polished interfaces.
React, TypeScript
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Senior Frontend Engineer
San Francisco or New York City
$150k-$250k/yr OnsiteFull Time
Halliday
Halliday: Unified crypto payment infrastructure and agentic workflow protocol for blockchain.
2+ YOE2+ years building production frontends with React and TypeScript, strong frontend fundamentals (state management, API integration, responsive design, performance), product mindset, collaboration skills, and willingness to be based in SF Bay Area or NYC.
React, TypeScript, Workflow Protocol, ethers.js, viem, wagmi
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Senior Frontend Engineer
San Francisco or Tucson or Dallas
$170k-$230k/yr HybridFull Time
Roger Healthcare
Roger Healthcare: AI clinical documentation platform for home health clinicians.
6+ YOE6+ years frontend experience with deep mobile expertise; production mobile and web app experience; expertise with React/React Native, TypeScript, CI/CD; experience with voice/audio, device integration, offline-first systems, scalable UI architectures.
React, React Native, TypeScript, CI/CD, LLM
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Senior Frontend Engineer
San Francisco or New York
$190k-$300k/yr HybridFull Time
Baseten
Baseten: Scalable infrastructure platform for deploying and serving AI models.
5+ YOE5+ years building production web apps; deep expertise in React and TypeScript; strong product intuition, UX empathy, cross-functional collaboration, and experience with modern frontend tooling.
React, TypeScript, Tailwind CSS, Next.js, WebSockets
1d
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Senior Frontend Engineer
Redwood City, California, United States
OnsiteFull Time
DreamCraft Entertainment
DreamCraft Entertainment: A platform for creating and monetizing video games.
5+ YOE5+ years frontend experience with 3+ years using React, proficient in Javascript, HTML, CSS; familiar with Electron, Node.JS and AWS; Bachelor's in CS or related; strong communication and mentoring skills.
React, electron, Node.JS, AWS, Javascript, HTML, CSS
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Staff Frontend Engineer
San Francisco, California, United States
$190k-$250k/yr HybridFull Time
Lunar
Lunar: Building an AI-native information system for hospitals.
10+ YOE10+ years frontend engineering experience; expertise with TypeScript, JavaScript, React, HTML/CSS, GraphQL; experience building real-time, performant UIs; familiarity with Elixir, Phoenix, Postgres, and AWS preferred.
TypeScript, JavaScript, React, HTML, CSS, GraphQL, Elixir, Erlang, Phoenix, Postgres, AWS
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Frontend Engineer (Los Altos)
Los Altos, California, United States
OnsiteFull Time
PhnyX Lab
PhnyX Lab: AI-native operating system for biopharma knowledge work.
4+ YOE4+ years frontend experience with React, TypeScript, Tailwind CSS; experience owning frontend quality, building AI/LLM UX (streaming, citations), strong design-to-code skills, and English proficiency.
React, TypeScript, Tailwind CSS, JavaScript, Claude Code, Cursor, Next.js, Vite, React Query, Zustand, Redux, Storybook, Playwright, Vitest
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Frontend Engineer (SF)
San Francisco or Cambridge
HybridFull Time
General Medicine
General Medicine: An online store for upfront-priced medical care and consultations.
3+ YOE3+ years building production React apps, strong TypeScript and Next.js experience, UI polish, frontend performance, accessibility, REST API experience; comfortable with Rails/Postgres, SQL, and cross-functional collaboration.
React, TypeScript, Next.js, Ruby on Rails, Postgres, SQL, RESTful APIs
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Frontend Engineer, Observability
San Francisco, California, United States
$170k-$190k/yr OnsiteFull Time
Postman
Postman: Platform for building, testing, and managing software APIs.
3+ YOE3+ years frontend experience; strong implementation and product sense; proven delivery with independent projects; experience with modern JavaScript frameworks/libraries such as React and TypeScript; substantial overlap with Pacific Time (US-based).
React, TypeScript, JavaScript
1w
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Senior Frontend Engineer
San Carlos, California, United States
$175k-$215k/yr OnsiteFull Time
1X
1X: Manufacturing safe, general-purpose humanoid robots for home and work.
6+ YOE6+ years frontend experience, BS in CS or related, strong TypeScript and React skills, experience building data-intensive dashboards and integrating REST/GraphQL/real-time streams; strong communication and system design ability.
TypeScript, React, REST, GraphQL, WebSockets, gRPC, AWS, Kubernetes
2mo
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Senior Frontend Engineer (Team Lead)
Redwood City, California, United States
$188k-$250k/yr OnsiteFull Time
Meltwater
Meltwater: Global media intelligence and social analytics platform for businesses.
Expertise in React and TypeScript; experience leading frontend teams; ownership of large-scale frontend systems; experience with GraphQL/REST; strong debugging; independent and proactive.
React, TypeScript, GraphQL, REST, Next.js
1w
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Frontend Developer
Palo Alto, California, United States
$205k-$260k/yr OnsiteFull Time
Volta
Volta: Building and operating GPU-dense infrastructure for AI factories.
3+ YOE3+ years frontend experience, strong TypeScript/HTML/CSS, experience with modern component frameworks, API integration experience, solid engineering fundamentals and testing/CI/CD practices.
TypeScript, HTML, CSS, React, Vue, Angular, REST, GraphQL, Terraform, Pulumi, OpenAPI, OIDC, SAML, SSO, MCP
3w
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Senior Frontend Engineer - Alarms
San Mateo, California, United States
$130k-$280k/yr OnsiteFull Time
Verkada
Verkada: Sells integrated AI-powered cloud physical security hardware and software.
5+ YOE5+ years building production web applications with JavaScript and modern frontend frameworks (preferably React); strong UI architecture, debugging, API experience; BS/MS in CS or related field.
React, JavaScript, TypeScript, Go, AWS
4w
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Frontend Software Engineer
San Francisco, California, United States
OnsiteFull Time
Pi
Pi: Agentic AI platform for automated software vulnerability remediation.
3+ YOE3+ years frontend experience with TypeScript, React, Next.js, Tailwind CSS, strong testing and UI skills; ability to build performant, accessible, data-heavy web interfaces.
TypeScript, React, Next.js App Router, React Server Components, Tailwind CSS, tRPC, Storybook, Chromatic, Vitest, React Testing Library, Playwright
2mo
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Frontend Systems Architect
San Francisco, California, United States
$250k-$300k/yr HybridFull Time
Noon
Noon: A concise, third-person description of the, focusing on its core business and value proposition.
8+ YOE3+ Mgmt6–10 years in web apps; 2–4 years in lead/Staff frontend; React and TypeScript expertise; complex UI systems; state management mastery; performance optimization.
React, TypeScript, Zustand, Recoil, Jotai, Redux
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Mid/Senior Frontend Developer
Krakow or San Francisco or Los Angeles or New York City or London or Singapore or Beijing or Seoul or Tokyo or Vancouver or Poland or North America or Europe or Asia or Africa or South America
RemoteFull Time
Sensor Tower
Sensor Tower: Provides digital market intelligence and mobile app analytics software.
4+ YOE4+ years engineering experience with JavaScript/TypeScript and React; ability to architect scalable frontend systems, design state management, write tests (Jest/Playwright), optimize web performance, mentor peers, and partner with product.
JavaScript, TypeScript, React, TanStack Query, React Router, Zustand, Redux, MobX, Next.js, Jest, Playwright, Highcharts, Ruby on Rails, Angular, ClickHouse, MongoDB, PostgreSQL, GitHub
1w
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Senior Staff Engineer - Frontend
San Francisco or Hyderabad
OnsiteFull Time
Plane
Plane: Open-source project management platform for planning and tracking work.
8+ YOE8+ years building large-scale web applications with TypeScript, JavaScript, React, strong frontend architecture, real-time collaboration, performance optimization, and leadership experience.
TypeScript, JavaScript, React.js, HTML5, CSS3, Next.js, Tailwind CSS, MobX, REST, GraphQL, WebSockets, ProseMirror, Tiptap, Electron, Python, Go, Elixir, PostgreSQL, Redis, AWS, Kubernetes, Rancher, DataDog, Sentry, GitHub, Slack, Plane, Figma, Whimsical
3w
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Senior Frontend Engineer, Growth & Agents
San Francisco, California, United States
$185k-$250k/yr HybridFull Time
EvenUp
EvenUp: AI-powered document generation and analysis for personal injury law.
5+ YOE5+ years frontend experience, strong React and TypeScript skills, experience shipping customer-facing products, able to own technical decisions and work with Product and Design.
React, TypeScript
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Senior Frontend Engineer - Design Systems
San Francisco or New York City or Portland or Canada or United States
$167k-$208k/yr RemoteFull Time
Mercury
Mercury: Banking services and financial software designed for startup companies.
4+ YOE4+ years frontend experience with React and TypeScript, design system experience, strong accessibility/performance focus, familiarity with CI/CD and testing, and fluency with AI-enabled tooling.
React, TypeScript, CI/CD