266 frontend software engineer jobs at 175 companies in Cotati, CA

1mo
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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 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
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
1d
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Senior Software Engineer (Frontend) - Scribd Core
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Washington, D.C. or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas
$124k-$226k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
6+ YOERequires 6+ years of frontend software engineering experience, JavaScript/TypeScript and React expertise, modern web framework experience, architecture knowledge, performance optimization, testing, and strong collaboration skills.
JavaScript, TypeScript, React, Next.js, Microfrontend, monorepos
3d
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Staff Front End Software Engineer, Tapestry
Mountain View or San Francisco or New York City
$207k-$300k/yr HybridFull Time
X, The Moonshot Factory
X, The Moonshot FactoryNASDAQ: GOOGL: Develops early-stage technologies and experimental projects.
10+ YOE10+ years in frontend or full-stack engineering; mastery of TypeScript and React or Angular; experience with enterprise AI applications, LLMs, agentic frameworks, predictive ML, and complex large-scale platforms.
TypeScript, React, Angular, WebGL, Canvas, Kotlin, Java, Python, Go, Large Language Models (LLMs), GIS (Geographic Information Systems)
1mo
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Front End Software Engineer
San Francisco or Denver or New York City
$150k-$200k/yr OnsiteFull Time
Candid Health
Candid Health: Automates medical billing and revenue cycle management for healthcare providers.
3+ YOEBachelor's in CS or similar, 3+ years software engineering experience, proficiency with HTML, CSS, React, TypeScript and API development; familiarity with SSR, GraphQL, Tailwind, Firebase, and Codegen; strong UX instincts.
HTML, CSS, React, TypeScript, API, GraphQL, Tailwind, Firebase, Codegen
3w
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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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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
1mo
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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
1w
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Senior Software Engineer, Frontend (Agentic AI)
San Francisco or Marina Del Rey
$180k-$230k/yr HybridFull Time
Sift
Sift: Software platform for high-frequency hardware telemetry observability.
8+ YOE8+ years engineering experience, strong frontend skills (React/NextJS/TypeScript), high-performance web app and browser optimization experience, product ownership and customer-facing collaboration, U.S. person required.
React, NextJS, TypeScript, Redux, Tailwind, Radix UI, WebAssembly, D3.js, WebGL, Apache ECharts, Web Workers, OPFS, Go, Parquet, Flink, Kafka, Redpanda, Beam, DuckDB, Timescale, QuestDB, InfluxDB, Druid, GitHub Actions, AWS, Azure, GCP, Docker, Kubernetes, Terraform
1w
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Frontend Platform Engineer
San Francisco, California, United States
$193k-$290k/yr HybridFull Time
Harvey
Harvey: AI platform for legal research and document analysis.
Experienced frontend engineer with platform-level expertise building shared infrastructure, improving developer experience, and driving scalable, high-performance frontend systems.
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
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
2mo
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Senior Software Engineer - Frontend
San Francisco or New York City or London or Sydney
$170k-$240k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
5+ YOE5+ years building high-quality front-end software using React, GraphQL, TypeScript, and Node.js; strong CS fundamentals, design sensibility, and experience with large-scale data applications.
React, GraphQL, TypeScript, Node.js, SQL, Python
2mo
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Software Engineer, Front-End
San Francisco or Seattle
$164k-$284k/yr HybridFull Time
Superhuman
Superhuman: An AI-native productivity platform for email, writing, and collaboration.
7+ years front-end experience with TypeScript/JavaScript, React, HTML/CSS; strong UI/UX focus; experience with AI features; familiarity with CI/CD; ability to work independently; mentor junior engineers.
TypeScript, JavaScript, HTML, CSS, React
1mo
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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
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
1mo
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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
4d
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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
1mo
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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