890 react engineer jobs at 445 companies in Cotati, CA

2mo
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Senior React Native Engineer
San Francisco or Los Angeles
$160k-$210k/yr OnsiteFull Time
Arena Club
Arena Club: Digital marketplace and vaulting service for sports collectibles
7+ YOEBachelor's in CS/Engineering, 7+ years mobile app development, proficiency in React Native and iOS/Android ecosystems, familiarity with Rx, IoC/DI, Bazel, A/B testing, analytics, CI and automated testing; experience leading mobile launches and using AI tools (Claude, Cursor).
React Native, iOS, Android, Rx, IoC/DI, Bazel, Claude, Cursor, A/B testing, analytics
1w
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Senior React Native / Expo Engineer
San Francisco, California, United States
$230k-$280k/yr OnsiteFull Time
Mochi Health
Mochi Health: Provides telehealth weight management and prescription medication services.
5+ YOE5+ years frontend experience with deep React Native and Expo expertise, TypeScript, mobile infrastructure, HealthKit/Health Connect integrations, EAS, and strong product sense for healthcare apps.
React Native, Expo, TypeScript, Apple HealthKit, Google Health Connect, EAS (Expo Application Services), Config Plugins, Swift, Objective-C, Kotlin, Java, Sentry, Codex 5.3, Claude Opus 4.6
1w
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Product Engineer (React)
San Francisco, California, United States
OnsiteFull Time
Rox
Rox: AI-powered revenue operating system with autonomous sales agents.
Expert-level React experience, frontend architecture and performance, production React apps, middle-tier/API orchestration, Next.js/TypeScript preferred, strong engineering fundamentals.
React, Next.js, TypeScript
1mo
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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
1w
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Staff Software Engineer, Home Pod (React Native)
San Francisco, California, United States
$192k-$288k/yr HybridFull Time
Hinge Health
Hinge HealthNYSE: HNGE: Digital provider of musculoskeletal care and physical therapy
4+ YOE4+ years software engineering experience, 2+ years React Native, BS in CS/Engineering or equivalent, strong TypeScript/JavaScript skills, experience with server-driven UI and experimentation preferred.
React Native, TypeScript, JavaScript, Node, GraphQL
1mo
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UI Engineer - Full-Stack (React/TypeScript, Python)
San Francisco, California, United States
$140k-$320k/yr OnsiteFull Time
Guild.ai
Guild.ai: Building a neutral control plane for production AI agents.
Strong production experience with React and TypeScript, comfortable working with Python backends, API design, frontend architecture, performance, testing, and collaborating with designers.
React, TypeScript, Python, Kubernetes, LLM, CLI
2mo
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Staff Level Full Stack Engineer (React / Python)
San Francisco, California, United States
OnsiteFull Time
Sourcetable
Sourcetable: AI-powered spreadsheet platform that automates data analysis.
9+ YOEProven Python and React experience, 9+ years, CS degree or equivalent, startup experience, ownership of projects, focus on scalability and performance.
React, Python, Cassandra, SQL, NoSQL, Docker, CI/CD
2mo
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Senior Software Engineer, Mobile Platform (React Native)
San Francisco, California, United States
$205k-$235k/yr HybridFull Time
Front
Front: Customer operations platform for collaborative team communication.
Experience building fast, real-time mobile apps; React Native; C/C++; product minded; thrives in a fast-paced, collaborative, high-growth environment; pragmatic problem-solving; leadership.
React Native, C/C++, JNI, Android NDK, Kotlin, TypeScript
1mo
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Staff Full Stack/Back End Engineer (NodeJS+React)
South San Francisco, California, United States
HybridFull Time
Deep Origin
Deep Origin: Platform for scientific simulation and drug discovery research.
10+ YOE10+ years building scalable distributed systems; 5+ years with React/TypeScript/JavaScript/NodeJS; experience with Postgres, MongoDB, Kubernetes, cloud infra, multi-tenant systems; authorized to work in the U.S.; strong system design skills.
React, TypeScript, JavaScript, NodeJS, Postgres, MongoDB, Kubernetes
1w
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Founding Product Engineer
San Francisco, California, United States
$200k-$250k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
8+ YOE8+ years full-stack engineering with backend (FastAPI, Python, MongoDB), frontend (React, TypeScript), API design (REST/GraphQL), ownership of product modules, and strong correctness for financial logic.
FastAPI, Python, MongoDB, React, TypeScript, REST, GraphQL, MCP, FastMCP, Cursor, Copilot
3w
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Staff Software Engineer
San Francisco, California, United States
$280k-$320k/yr OnsiteFull Time
Fazeshift
Fazeshift: AI-powered automation platform for enterprise accounts receivable workflows.
8+ YOE8+ years software engineering experience, strong TypeScript and React skills, production systems reliability, API and scalability expertise, staff-level technical leadership and mentoring, early-stage startup experience preferred.
React, TypeScript
3w
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Software Engineer (Frontend)
San Francisco, California, United States
OnsiteFull Time
Petra Security
Petra Security: AI-powered identity threat detection for Microsoft 365 environments.
Frontend engineering experience building production React/TypeScript UIs; familiarity with Node and Python; strong product design sensibility, prototyping skills, and experience shipping customer-facing software.
React, TypeScript, Node, Python, Figma
2w
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Principal Partner Engineer — Ecosystem
San Francisco, California, United States
$297k-$345k/yr HybridFull Time
Canva
Canva: Online graphic design platform for creating and editing visual content.
10+ YOE10+ years software engineering with partner/platform experience, shipping production platform code, prototyping solutions, strong TypeScript/React skills, familiarity with MCP and Java, and excellent communication.
MCP, TypeScript, React, Java
1w
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Staff Software Engineer, HR Experiences
Denver or San Francisco or New York City
$199k-$247k/yr HybridFull Time
Gusto
Gusto: Cloud-based payroll and HR software for small businesses.
8+ YOE8+ years software development experience; experience with Ruby on Rails, JavaScript/React; building AI agents; mentoring engineers; compliance-domain experience preferred.
Ruby on Rails, JavaScript, React, Claude Code, Codex
3w
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Product Engineer
San Francisco, California, United States
$130k-$500k/yr OnsiteFull Time
Mercor
Mercor: Connecting expert human intelligence with frontier AI model development.
3+ YOE3+ years software engineering experience; strong backend fundamentals (API design, data modeling, distributed systems, relational databases); full-stack familiarity (React/TypeScript); experience with LLM-powered features and AI coding tools; strong testing, debugging, and product intuition.
React, TypeScript, Cursor, Claude Code, GitHub Copilot, Codex
1w
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Staff Engineer - Intelligent Customer Experiences
San Francisco, California, United States
$258k-$367k/yr OnsiteFull Time
Adyen
AdyenEuronext Amsterdam: ADYEN: Unified payment platform for global business commerce.
Product-minded architect with applied AI experience (LLMs, RAG), production-grade full-stack skills, security-by-design for financial data, strong Java and TypeScript/React/Vue expertise, and experience mentoring engineers.
Java, TypeScript, React, Vue, LLMs, RAG
2d
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Remote JavaScript/React Engineer
San Francisco, California, United States
$200-$300/hr RemoteContract
Turing
Turing: AI-powered platform connecting companies with global remote software developers.
3+ YOERequires 3+ years of software engineering experience, expertise in systems, infrastructure, or backend development, production software experience, and strong architecture, debugging, code review, and communication skills.
JavaScript, ReactJS, Python, C, C++, Rust, Go, Java
3w
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Software Engineer, Applied AI, New Grad
San Francisco, California, United States
$160k-$180k/yr OnsiteFull Time
Lightfield: AI-powered CRM automating customer interaction capture and insights.
0+ YOENew grad software engineer with CS degree, strong fundamentals, experience or interest in LLMs, and ability to work with TypeScript/React/Next.js/Node.js/Apollo GraphQL/PostgreSQL.
TypeScript, React, Next.js, Node.js, Apollo GraphQL, PostgreSQL, LLMs
2w
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Forward Deployed Engineer
San Francisco, California, United States
$160k-$240k/yr OnsiteFull Time
Usul
Usul: AI platform for winning government defense contracts.
2+ YOE2-8 years experience, full-stack engineer who builds AI agents and uses LLMs, proficient with React/NextJS/Typescript, strong presentation skills, willing to travel to customer sites; TS/SCI or Secret preferred.
LLMs, AI Agents, React, NextJS, Typescript
3w
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Finance Systems Engineer, Revenue
San Francisco or Seattle
$205k-$270k/yr HybridFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
7+ YOE7+ years engineering experience; proficiency in Python, Node.js, React; experience building production integrations across finance systems; SQL and BigQuery/Postgres experience; SOX/ASC 606 familiarity preferred.
Zuora, Stripe, Tesorio, Python, Node.js, React, Workato, Workday, NetSuite, Salesforce, BigQuery, Postgres, SQL, Java, MuleSoft, Claude Code