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: 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.
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.
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.
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.
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.
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
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).
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
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: 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.
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.
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.
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.
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.
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.
San Francisco or New York City or Portland or Canada or United States
$167k-$208k/yrRemoteFull Time
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.
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
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.
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.