1,479 react engineer jobs at 656 companies in Sunnyvale, CA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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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, native health integrations, CI/CD and reliability ownership; strong communication and product focus.
React Native, Expo, TypeScript, Apple HealthKit, Google Health Connect, EAS, Config Plugins, Sentry, Codex 5.3, Claude Opus 4.6, Swift, Objective-C, Kotlin, Java
1w
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React JS
San Francisco, California, United States
$100k-$110k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
6+ YOE6+ years experience building ReactJS micro‑frontend applications with strong JavaScript, state management, responsive design, and front‑end architecture knowledge.
React, JavaScript, Node.js, CSS, SCSS, HTML5, Redux, Context API, Hooks, GraphQL, Webpack, Jenkins, GitLab, Artifactory
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
2mo
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Senior Software Engineer, Mobile (React Native)
San Francisco or New York City or Portland
$185k-$215k/yr HybridFull Time
Forerunner
Forerunner: AI-powered platform for government built environment management.
5+ YOE5+ years software engineering; 3+ years React Native; JS/TS and React; cross-platform mobile; mobile performance and UI/UX; RESTful APIs; native mobile knowledge; strong collaboration; adaptable in fast-moving env.
React Native, JavaScript, TypeScript, React, Redux, RESTful APIs
1w
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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
7h
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Senior Full-Stack Developer (.NET/React)
Berkeley, California, United States
OnsiteFull Time
Access Softek
Access Softek: Provides digital banking software for credit unions and banks.
5+ YOE5+ years experience; strong C#, .NET/ASP.NET Core, TypeScript, React; HTML/CSS/SQL/MS SQL; API design, unit/integration testing, CI/CD; experience with legacy and service-based systems.
React, TypeScript, C#, .NET, ASP.NET Core, HTML, CSS, SQL, Microsoft SQL Server, AWS, Docker, Kubernetes, GitHub Copilot, Cursor, JetBrains AI, Claude
1mo
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Staff Software Engineer - Full Stack (React, Node)
Pune or San Francisco or Atlanta or Boston or Chicago or Dubuque or Dallas
OnsiteFull Time
OpenGov
OpenGov: Provides enterprise resource planning software to local government agencies.
10+ YOE10+ years full-stack experience with JavaScript/TypeScript, React and Node.js; experience building APIs, database models (SQL/NoSQL), event-driven systems, AI-powered features, and using AI-assisted dev tools.
JavaScript, TypeScript, React, Node.js, Ember.js, GraphQL, REST, PostgreSQL, MongoDB, AWS, Azure, Kubernetes, Docker, GitHub, Claude Code, Cursor, Copilot
3w
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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
1mo
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Software Engineer, Lead
San Francisco, California, United States
$200k-$300k/yr HybridFull Time
Marble
Marble: AI-powered tax assistant platform for accounting professionals.
10+ YOE10+ years engineering experience with team leadership; strong full-stack background in TypeScript, Node.js, and React; experience owning enterprise-grade systems; hiring and mentoring experience.
React, Remix (React Router), TypeScript, Node.js, Fastify, Postgres, Weaviate, AWS, Kubernetes, Terraform, Airflow, Grafana, OpenTelemetry
1mo
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Growth Engineer
San Mateo or Provo or Canada or United States
$165k-$350k/yr RemoteFull Time
GC AI
GC AI: AI-powered legal platform for in-house legal teams.
5+ YOE5+ years full‑stack engineering experience; React and modern TypeScript; SQL and data analysis; analytics platforms (Google Analytics, Segment, Mixpanel); A/B testing and experimentation; experience building marketing-focused features.
React, TypeScript, Google Analytics, Segment, Mixpanel, SQL, HubSpot, Customer.io, Klaviyo, PostHog, LaunchDarkly, Amplitude, LLMs
3w
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Design Engineer
San Jose or New York City
$179k-$250k/yr HybridFull Time
Tessera Labs
Tessera Labs: Automates complex enterprise workflows with multi-agent AI systems.
4+ YOE4+ years at the intersection of design and front-end engineering; production experience with React and TypeScript; strong CSS and component-driven architecture; experience building/maintaining component libraries; Figma fluency; accessibility and performance focus.
Figma, React, TypeScript, Storybook, Cursor, SAP, Salesforce, Workday, Snowflake, MuleSoft
2w
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Software Engineer, R&D
Mountain View, California, United States
$130k-$180k/yr HybridFull Time
Commure
Commure: AI-powered software platform for healthcare workflow and administrative automation.
Bachelor's or Master's in CS/Engineering (or equivalent), professional software engineering experience, strong full-stack skills with Python and JavaScript/React, experience with containers and cloud (Docker, Kubernetes), and hands-on LLM/API integration experience.
Python, Javascript, React, Docker, Kubernetes, LLM APIs
1mo
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Lead Software Engineer - (Forward Deployed Engineer)
Santa Clara, California, United States
$170k-$227k/yr HybridFull Time
Eightfold.ai
Eightfold.ai: AI-native platform for talent management and workforce optimization.
7+ YOE7+ years engineering experience, strong backend skills (Java, Python, Scala), distributed systems, enterprise escalations, system design, APIs and data pipelines, frontend experience (React, Angular), cloud (AWS/GCP/Azure), mentoring skills.
Java, Python, Scala, React, Angular, AWS, GCP, Azure
2d
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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
2mo
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Senior Design Engineer
New York or San Mateo or United States
$147k-$202k/yr RemoteFull Time
Meadow
Meadow: Modern student financial services for higher education institutions.
4+ YOE4+ years in product design and front-end engineering; strong React/TS/JS; AI tooling experience; ownership of projects; collaboration with Eng/PM; strong portfolio.
React, TypeScript, JavaScript, Semantic HTML, CSS, Cursor, Claude, Codex
1mo
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Algorithm Developer
Santa Clara, California, United States
$131k-$180k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Manufacturers of equipment for semiconductor and display production.
Master's in a data science or engineering field required; strong ML/DL and time-series skills; experience with data cleaning, signal processing, visualization; proficient in Python, React, and SQL; strong technical communication.
Python, React, SQL
1w
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Founding Engineer
San Francisco, California, United States
$120k-$250k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
0+ YOEProven production backend experience in Go, frontend with React/TypeScript, CI/CD and observability, REST/gRPC APIs, 0–3 years experience, and U.S. work authorization without sponsorship.
Go, Golang, React, Vite, TypeScript, CI/CD, REST, gRPC, Docker, Kubernetes, AWS, GCP, Postgres, MySQL, LLMs, agent frameworks