565 senior react developer jobs at 312 companies in Penngrove, CA
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Senior React Native Engineer
San Francisco or Los Angeles
$160k-$210k/yrOnsiteFull Time
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).
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
Scope: Building custom AI systems and agents for enterprise workflows.
6+ YOESenior software engineer with 6+ years of production experience across frontend and backend; proficient in Python, TypeScript, React/Next.js; Docker/Kubernetes on cloud; CI/CD; and LLM frameworks.
Metriport: Provides an open-source API for healthcare data interoperability.
3+ YOE3+ years in software implementation; full-stack React, TypeScript, Node.js; located in San Francisco Bay Area or willing to relocate; healthcare domain terms a plus.
Foundry Robotics: AI-native robotics manufacturing focused on deploying advanced assembly and production capability for robotics hardware.
4+ YOE4+ years of full-stack development; strong frontend with React, Vue, or Svelte and TypeScript; backend with Node.js, Python, or Go; REST/GraphQL; relational DBs; cloud deployment (AWS, GCP, or Azure); independent in a fast-paced, cross-functional environment.
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management software solutions.
8+ YOEBachelor's in CS or STEM with 8+ years of software engineering experience; full-stack with Java/JavaScript-TS, React; experience with Oracle Fusion Cloud APIs, OIC, Python, AI/ML, cloud-native tech, and CI/CD.
Lila Sciences: Develops an AI platform for autonomous scientific research and discovery.
5+ YOEBachelor’s or Master’s in CS/Engineering; 5-8+ years backend/full-stack exp; React, TypeScript, FastAPI, Python; AWS, Kubernetes; AI tooling; strong collaboration.
Mountain View or Los Angeles or San Francisco or New York City
$170k-$230k/yrHybridFull Time
Commure: AI-powered software platform for healthcare workflow and administrative automation.
4+ YOE4+ years software engineering; strong fullstack Python backend and TypeScript/React frontend; Docker and Kubernetes; experience with LLM APIs; production AI features; able to ship quickly.
Nooks: AI platform that automates B2B sales dialing and prospecting.
5+ YOE5+ years engineering experience; production AI agents experience; strong ownership; stack: React, TypeScript, Node.js, Python; based in San Francisco and in-office 3+ days a week.
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.
Hedra: Builds artificial intelligence models for character-driven video generation.
5+ YOE5+ years of professional experience with JavaScript, React, Next.js, and TypeScript; able to collaborate with design and deliver engineering initiatives; product-focused and user-centric.
Ellipsis Health: AI-powered voice agent for healthcare care management.
5+ YOE5+ years in full-stack development with TypeScript/JavaScript; strong React/Redux; REST/GraphQL; cloud and containers; security and HIPAA/compliance knowledge.
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yrHybridFull Time
Karbon: Practice management software for accounting firms.
4+ YOESenior Security Engineer with 4+ years in security or development; strong communication; cloud and AI experience; hands-on with security tooling and threat modelling.
Material Security: Protects sensitive data within cloud email and office platforms.
Strong backend and systems skills; full-stack capability (TypeScript/React); product sense; curiosity about agentic systems; technical maturity and ownership; collaborative attitude.
TypeScript, React, Google Workspace APIs, LLM-powered agents