49 staff frontend engineer jobs at 36 companies in Sonoma, CA

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
2w
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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
1w
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Member of Technical Staff, Frontend Engineer
San Francisco, California, United States
$175k-$240k/yr OnsiteFull Time
Edison Scientific
Edison Scientific: Developing autonomous AI agents for scientific research and discovery.
4+ YOERequires 4–8 years of frontend engineering experience, deep JavaScript, React, and TypeScript expertise, browser performance optimization, real-time data handling, visualizations, design systems, accessibility, and responsive design.
JavaScript, Reactjs, TypeScript, WebSockets, GraphQL, D3.js, Deck.gl, Three.js
2mo
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Staff Engineer, Frontend Applications
South San Francisco, California, United States
$150k-$200k/yr OnsiteFull Time
Aechelon Technology
Aechelon Technology: Produces 3D simulator content and visual simulation systems.
8+ YOE8+ years software development; BS/MS in CS or equivalent experience; expertise with React, TypeScript, Electron, WebSockets, RESTful APIs; experience with performance-sensitive real-time applications and C/C++ preferred.
React, TypeScript, Electron, WebSockets, RESTful APIs, C, C++
2w
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Senior/Staff Frontend Engineer
San Francisco, California, United States
$100k-$200k/yr RemoteFull Time
Embedding VC: Venture capital firm backing early-stage generative AI startups.
3+ YOE3+ years front-end experience, strong React and TypeScript skills, experience leading high-performance web initiatives, UI architecture and state management, experience with complex editor/canvas interactions.
React, TypeScript, CI/CD
1w
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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)
4w
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Staff Frontend Engineer (Design Systems & UX)
South San Francisco, California, United States
HybridFull Time
Deep Origin
Deep Origin: Platform for scientific simulation and drug discovery research.
7+ YOE7+ years building production web apps with strong command of React, TypeScript, JavaScript, CSS, HTML, front-end architecture, technical leadership, and product/UX judgment.
React, TypeScript, JavaScript, CSS, HTML, WebGL, Mol*, NGL, 3Dmol.js
2mo
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Staff Front End Engineer - AI Product UX - US - San Francisco (Hybrid)
San Francisco or Seattle or Argentina or United States
HybridFull Time
HomeVision
HomeVision: AI-powered automation for mortgage document and appraisal reviews.
Senior/frontend engineer with strong product orientation, experience shipping web products, proficiency or willingness to learn React and TypeScript, ability to architect scalable front-end systems, familiarity reading Go/Python backends, and experience with AI-native or data-dense UIs.
React, TypeScript, Go, Python, GitHub
2mo
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Staff Software Engineer - Frontend
San Francisco or New York City or London or Sydney
$240k-$270k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
10+ YOE10+ years software engineering experience, strong computer science fundamentals, frontend expertise with React/GraphQL/TypeScript/Node.js, experience with large-scale data web apps, strong design and communication skills.
React, GraphQL, TypeScript, Node.js, SQL, Python
1w
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Staff Software Engineer, Front End
San Francisco or United States
$180k-$200k/yr HybridFull Time
Parkade
Parkade: Automated parking management platform for residential and commercial buildings.
5+ YOEAt least 5 years of hands-on front-end experience building commercial applications; strong front-end web development skills and experience with TypeScript, React, and related web technologies.
TypeScript, React, Next.js, Node.js, Vite, TanStack Router, Tailwind CSS, Material UI, TanStack Query, React Hook Form, Vitest, Playwright, Stripe, Firebase, Sentry, Python, CI/CD
4d
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Member of Technical Staff (Design Systems)
San Francisco or Seattle or New York City
$220k-$405k/yr HybridFull Time
Perplexity
Perplexity: AI-powered search engine providing conversational answers with citations.
4+ YOE4+ years building production frontend applications. Requires strong React, TypeScript, and CSS skills; accessibility knowledge including WCAG, ARIA patterns, and assistive technology; and close designer collaboration.
React, TypeScript, CSS, Figma, WCAG, ARIA
3mo
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Senior Staff Engineer
New York City or San Francisco
$208k-$350k/yr HybridFull Time
Braze
BrazeNASDAQ: BRZE: Platform for personalized customer engagement and cross-channel messaging.
10+ YOE10+ years software engineering, multi-team technical leadership, strong Ruby on Rails and frontend (TypeScript/React), built foundational infrastructure, architectural judgment, mentoring, reliability focus.
Ruby, Ruby on Rails, TypeScript, React, MongoDB, Event-driven architectures, Distributed Systems, API Design
3w
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Staff Software Engineer, Inventory Management
Seattle or San Francisco
$189k-$315k/yr OnsiteFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
Proven Staff/Principal engineering experience; strong backend skills (Python/Django preferred), frontend React experience, systems integration with third-party APIs, logistics/WMS experience a plus, product ownership and AI-driven automation.
Python, Django, React, MDM, Slack, Microsoft 365
1mo
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Staff Software Engineer
San Francisco or Denver or Nashville or Santiago
$190k-$264k/yr HybridFull Time
Checkr
Checkr: AI-powered platform for background checks and identity verification.
10+ YOE10+ years software development experience, 3+ years project leadership; backend expertise (Ruby, Node.js), frontend familiarity (JavaScript, React); experience building scalable systems with automated testing and observability; strong communication and mentoring skills.
Ruby, Node.js, JavaScript, React
2mo
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Staff Software Engineer, Scientific System of Record
Cambridge or San Francisco
$144k-$288k/yr HybridFull Time
Lila Sciences
Lila Sciences: Develops an AI platform for autonomous scientific research and discovery.
6+ YOE6–8+ years of engineering experience; expertise across frontend, backend, or data modeling; TypeScript/React; Python preferred; SQL/NoSQL; REST/GraphQL APIs; AI coding tools; domain in life sciences or data-intensive fields.
TypeScript, React, Python, SQL, NoSQL, Vector databases, API development (REST/GraphQL), AWS, Kubernetes, Terraform, GraphQL, REST
3w
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Staff Design Engineer
San Francisco, California, United States
$300k-$350k/yr OnsiteFull Time
San Francisco Compute Company
San Francisco Compute Company: Operate a liquid marketplace for trading GPU compute contracts.
Expert frontend craft with modern JS frameworks (React, Vue, Svelte, SolidJS); track record shipping complex frontend components; strong design instincts, autonomy, mentorship, and product judgment.
React, Vue, Svelte, SolidJS, JavaScript
2d
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Staff Software Engineer- UI Foundations Team
North America or San Francisco or New York City or Vancouver or Colorado or Washington
$173k-$264k/yr HybridFull Time
Amplitude
AmplitudeNasdaq: AMPL: Develops digital analytics software for tracking customer product behavior.
Staff-level software engineering experience, deep frontend architecture expertise, performance optimization, developer tooling, AI-agent workflows, technical leadership, and strong written and verbal communication.
React, CI/CD, LLM, monorepo, micro-frontend, codegen, Modern Health, One Medical
2d
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Staff Software Engineer- UI Foundations Team
North America or San Francisco or New York City or Colorado or Washington or Canada or Netherlands or United Kingdom or France or Singapore or Japan
$173k-$264k/yr HybridFull Time
Amplitude
AmplitudeNASDAQ: AMPL: Digital analytics platform for understanding and optimizing customer behavior.
Staff-level software engineering scope, deep frontend architecture expertise, React or equivalent framework experience, performance optimization, developer tooling, AI-agent workflows, and strong technical communication.
React, CI/CD, LLM, ESPP, Modern Health, One Medical
4d
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Staff Software Engineer - Developer Experience
Atlanta or San Francisco
$140k-$210k/yr HybridFull Time
OneTrust
OneTrust: Software platform for data privacy, security, and compliance governance.
8+ YOEBachelor's degree and 8+ years of software engineering experience, with technical leadership across systems, frontend or backend expertise, cloud architecture, and professional AI-assisted development tool experience.
Claude Code, Cursor, Codex, Devin, Windsurf, Backstage
1mo
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Staff Software Engineer
Santiago or Denver or San Francisco or Nashville
$66496k-$78230k/yr HybridFull Time
Checkr
Checkr: Provides AI-powered background checks and identity verification services.
10+ YOE10+ years software development, 3+ years project leadership, backend expertise (Ruby, Node.js), frontend proficiency (JavaScript, React), bachelor’s or equivalent, fluent English, hybrid availability in Santiago (3 days/week).
Ruby, Node.js, JavaScript, React