342 frontend developer engineer jobs at 223 companies in American Canyon, CA
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Frontend Engineer
San Francisco, California, United States
$150k-$200k/yrOnsiteFull Time
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.
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.
Bobyard: Automates construction takeoffs and estimates using computer vision AI.
Strong React, modern CSS, TypeScript, component architecture, frontend state management, design sense, ownership, and learning ability; bachelor's in computer science or equivalent experience.
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.
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
Doppel: Provides AI-native defense against digital social engineering and impersonation.
5+ YOE5+ years of software engineering experience with deep React and TypeScript expertise, production web application experience, and frontend platform ownership. Strong communication and autonomous product mindset required.
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.
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
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.
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.
San Francisco or Toronto or United States or Canada
$190k-$249k/yrRemoteFull Time
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.
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).
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
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.
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.
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.
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.