227 frontend engineer react jobs at 147 companies in Rohnert Park, 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
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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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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
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 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
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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
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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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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
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Senior Frontend Engineer
San Francisco or California
$175k-$225k/yr HybridFull Time
Weave Bio
Weave Bio: AI platform for drug development regulatory workflows.
5+ YOE5+ years building web apps with React and TypeScript; experience with real-time collaboration, strong product instincts, startup experience, and productive use of AI-assisted engineering tools.
React, TypeScript, Cursor, Claude, Slate, ProseMirror, Yjs, Liveblocks, CRDTs
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
2d
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Senior Frontend Engineer
San Francisco, California, United States
HybridFull Time
Siteline
Siteline: Provides billing and payment software for construction trade contractors.
4+ YOE4+ years software engineering experience; strong React and TypeScript skills; full-stack fluency including Postgres and API debugging; experience with GraphQL/Apollo, MaterialUI, and shipping end-to-end product features.
TypeScript, React, MaterialUI, GraphQL, Apollo, Postgres
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
1mo
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Frontend Engineer
Toulouse or San Francisco or Golden
OnsiteFull Time
Loft Orbital
Loft Orbital: Deploy and operate satellite missions for organizations and governments.
Proficiency in TypeScript, HTML, CSS, experience with Vue.js or React, SPA development, GraphQL APIs, and unit/integration testing (e.g., Vitest, Jest, Cypress). Web Components and geospatial libraries are a plus.
Vue.js, TypeScript, HTML, CSS, GraphQL, Vitest, Jest, Cypress, Web Components (Lit), Leaflet, Mapbox, CesiumJS
2mo
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Senior Front-End Engineer
San Francisco, California, United States
$230k-$280k/yr OnsiteFull Time, Internship
Mochi Health
Mochi Health: Provides telehealth weight management and prescription medication services.
5+ YOE5-7+ years frontend React experience; strong React/Next.js; complex healthcare UI; collaborate with mobile teams; onsite in San Francisco.
TypeScript, React, Next.js, Tailwind CSS, React Native, Expo, Redux, SQL, Redis, New Relic, Kubernetes, CSS, AWS, Cypress, Docker, Express
2mo
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Frontend Engineer - Cluster OS Platform
San Francisco, California, United States
OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
5+ YOE5+ years production Kubernetes infrastructure experience; strong frontend fundamentals with Next.js, React, Tailwind, shadcn/ui; Convex for real-time UIs; Terraform, Helm, ArgoCD; Prometheus, Grafana; Go proficiency; GitOps and observability experience.
Next.js, React, Tailwind, shadcn/ui, Convex, Kubernetes, CRDs, etcd, gRPC, cRPC, Terraform, Helm, ArgoCD, GitOps, Prometheus, Grafana, Go, PostHog, AWS, GCP, Azure
2mo
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Software Engineer, Frontend
San Francisco, California, United States
$180k-$310k/yr HybridFull Time
Gamma
Gamma: AI platform that generates presentations, documents, and websites from text.
3+ YOE3+ years building production web apps with JavaScript, React; real-time collaboration; WebSockets; CRDTs or OT; strong UI focus; Nice to have rich text editor experience.
JavaScript, React, WebSockets, CRDTs, Operational Transformation, APIs