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679 frontend developer engineer jobs at 396 companies in California

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
2mo
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Frontend Engineer
San Francisco or New York City
OnsiteFull Time
Frec
Frec: Financial platform providing direct indexing and automated investment services.
2+ YOEFrontend engineering with deep focus on web frontend; collaboration with product/design; experience with TypeScript/Node backend and AWS is a plus.
TypeScript, Node.js, Python, PostgreSQL, Redis, AWS, GraphQL
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3mo
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Frontend Engineer
San Francisco or United States
$100k-$250k/yr OnsiteFull Time
Hercules
Hercules: AI-powered platform for building applications and websites.
5+ YOESenior or staff frontend engineer with strong TypeScript/React, UI/UX focus, monorepo experience.
TypeScript, React, AI SDK, PostgreSQL, Redis, ClickHouse, Tailwind CSS, Infrastructure as Code (CDK, Terraform), Docker, Observability (Otel), Hono, Drizzle ORM, Temporal, AWS, Cloudflare, OpenAI API, Anthropic, Google AI
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3mo
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Frontend Engineer
San Francisco, California, United States
HybridFull Time
Emergent Labs
Emergent Labs: Platform for building production-ready applications using autonomous AI agents.
4+ YOE4-8 years frontend engineering with React.js and TypeScript; large-scale distributed frontend systems; state management; JS/TS, Web APIs; build tools; UI frameworks; REST/GraphQL; testing/CI/CD.
React, TypeScript, Redux, Zustand, Recoil, React Query, Webpack, Vite, Turborepo, Jest, RTL, Cypress, Next.js
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1mo
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Frontend Engineer
San Francisco, California, United States
$150k-$200k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
2+ YOE2+ years software development; experience defining frontend architecture; hands-on Kubernetes; APIs/backend experience; background in systems or distributed systems.
Kubernetes, Grafana, WebSockets, GitOps
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2mo
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Frontend Developer
El Segundo, California, United States
$126k-$138k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
7+ YOE7+ years frontend development, strong Angular (2+), TypeScript/JavaScript, HTML5/CSS3, REST/GraphQL, Git, Agile, local to LA area or willing to relocate.
Angular, TypeScript, JavaScript, HTML5, CSS3/SASS, RxJS, NgRx, REST, GraphQL, Git, Jira, Confluence, CI/CD
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3mo
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Frontend Engineer
Menlo Park, California, United States
$115k-$145k/yr OnsiteFull Time
Ventrilo
Ventrilo: Browser-based AI assistant for workflow and writing productivity.
1+ YOE1+ years software engineering; strong JS/TS and Python; React knowledge; experience with web APIs and CSS; on-site in Menlo Park; passionate about building secure, scalable frontend systems.
TypeScript, JavaScript, Python, Google Cloud, Cloudflare Workers, serverless, React, Tailwind, CSS, DOM
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2mo
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Senior Frontend Engineer
San Carlos or United States
$66-$83/hr RemoteFull Time
Natera
NateraNASDAQ: NTRA: Provides clinical genetic testing and diagnostics services.
5+ YOE5+ years frontend development experience (React ecosystem), strong TypeScript/HTML5/CSS3 skills, CS fundamentals, experience with build tools, testing frameworks, authentication flows, and frontend architecture.
React, TypeScript, HTML5, CSS3, Webpack, Vite, Turborepo, Jest, Cypress, CI/CD, Node.js, GraphQL, REST APIs, D3, Chart.js, Recharts, AWS, Docker, Kubernetes, OAuth, JWT, SSO, Browser APIs
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4d
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Frontend Developer
San Francisco, California, United States
RemoteFull Time
CareerSwift
CareerSwift: AI-powered recruitment and job search automation platform
3+ YOE3+ years frontend experience with JavaScript/TypeScript, HTML, CSS, experience with modern frameworks, REST/GraphQL APIs, Git, strong communication and testing skills.
JavaScript, TypeScript, HTML, CSS, React, Vue, Angular, REST, GraphQL, Git, Next.js
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3w
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Frontend Engineer
San Francisco, California, United States
OnsiteFull Time
Omen AI
Omen AI: Provides real-time fluid analysis to monitor critical infrastructure health.
Proficiency with React and TypeScript, experience building data-heavy/visualization UIs, familiarity with D3/Recharts, real-time data handling (WebSockets/SSE), API integration, CSS/UI fundamentals, and security-conscious frontend practices.
React, TypeScript, D3, Recharts, WebSockets, SSE
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1mo
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Senior Frontend Engineer
San Francisco or New York City or United States
HybridFull Time
Beast Industries
Beast Industries: Produces digital media and consumer goods for MrBeast brands.
8+ YOE8+ years software engineering with deep frontend experience in JavaScript/TypeScript, performance optimization, accessibility, AI-assisted tooling, architecture ownership, and mentoring peers.
JavaScript, TypeScript, React, Vue, Angular, AI coding agents, CI/CD
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1mo
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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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2w
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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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1mo
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Frontend Engineer, Product
New York City or San Francisco or Seattle
$166k-$250k/yr HybridFull Time
Grow Therapy
Grow Therapy: Platform connecting mental health providers with patients and insurance.
5+ YOE5+ years frontend or UX engineering experience; strong visual design judgment; fluent in JavaScript/TypeScript, Next.js, React, and CSS; knowledge of accessibility (WCAG) and web performance; strong prototyping and collaboration skills.
JavaScript, TypeScript, Next.js, React, CSS, WCAG, Gem
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3mo
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Frontend Engineer
San Francisco or Golden or Toulouse
$140k-$190k/yr OnsiteFull Time
Loft Orbital
Loft Orbital: Deploy and operate satellite missions for organizations and governments.
Proficiency in TypeScript, HTML, CSS; experience with Vue or React; SPA development; GraphQL; testing (Vitest/Jest/Cypress).
Vue.js, TypeScript, HTML, CSS, GraphQL, Vitest, Jest, Cypress, Web Components, Lit
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1w
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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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4w
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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
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3w
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Senior Frontend Engineer, Platform
San Francisco or Toronto or United States or Canada
$190k-$249k/yr RemoteFull Time
EvenUp
EvenUp: AI-powered document generation and analysis for personal injury law.
5+ YOE5+ years engineering experience, building production-quality software; ownership of projects end-to-end; experience with frontend systems for deploying LLM-based algorithms; strong communication, mentoring, and cross-team collaboration skills.
LLM, Kubernetes
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1mo
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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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2w
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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
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2mo
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Principal Frontend Engineer
Los Angeles, California, United States
$190k-$240k/yr OnsiteFull Time
Arena Club
Arena Club: Digital marketplace and vaulting service for sports collectibles
8+ YOE8+ years frontend experience; 3+ years leading or architecting projects; strong React/TypeScript; knowledge of state management and build tools; testing, CI, DevOps familiarity; cloud, API design a plus.
React, TypeScript, Redux, MobX, Webpack, Babel, Vite, CI/CD
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