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558 react jobs at 173 companies in Seattle, WA

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Senior React Developer
Seattle, Washington, United States
OnsiteFull Time
AIM Intelligent Machines Inc.
AIM Intelligent Machines Inc.: Private physical-AI retrofitting bulldozers and excavators into autonomous fleets for mining, construction, and defense.
5+ YOE5+ years frontend experience with TypeScript and React, Bachelor\u0002s or equivalent, strong debugging, familiarity with frontend toolchain, and experience with real-time or 3D web graphics preferred.
TypeScript, React, Three.js, React Three Fiber, Drei, XState, Vite, npm, pnpm, Storybook, Vitest, Cypress, Testing Library, WebGL, Protocol Buffers, gRPC-web, WebSockets, TanStack Router, TanStack Query, Zustand, Tailwind CSS, Floating UI
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1d
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Senior React Developer with JavaScript - Hybrid
Seattle, Washington, United States
$70k-$117k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Global professional services providing technology and consulting services.
8+ YOE8-12 years software development experience, expert React JS and JavaScript proficiency, API integration, performance profiling, accessibility, cross-browser compatibility, mentoring skills.
React, JavaScript
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6d
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Senior Frontend React Engineer
Bellevue or San Jose or Oakland or Seattle or Everett
$130k-$145k/yr HybridFull Time
Modern Family Law
Modern Family Law: Private family law firm providing divorce, custody, support, and related legal services to families.
Must reside within commutable distance to CA or WA offices (San Jose, Oakland, Seattle, Bellevue, Everett). Production experience with React and TypeScript, frontend architecture, state management, API integration, testing, and accessibility.
React, TypeScript, Vite
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React-Native Engineer (Senior or Staff)
Seattle, Washington, United States
$180k-$245k/yr HybridFull Time
Finvari
Finvari: Construction-focused SaaS provider of corporate cards, expense management, and AP invoice automation for contractors.
5+ YOE5+ years software engineering experience, 3+ years with React and React-Native, strong HTML/CSS, expert with a statically typed language (Java or Typescript), bachelor's in CS/Engineering or equivalent.
React, React-Native, Node.js, Typescript, HTML, CSS, Google Cloud Platform (GCP)
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Software Development Engineer IV, React Native
Mountlake Terrace, Washington, United States
$136k-$231k/yr HybridFull Time
Premera Blue Cross
Premera Blue Cross: Not-for-profit health-plan provider offering health coverage and related services to individuals and employers in Washington and Alaska.
8+ YOE8+ years software engineering experience,5+ years React Native in production,proficiency in JavaScript/TypeScript,experience with iOS/Android,REST/GraphQL integration,CI/CD and mentoring skills.
React Native, JavaScript, TypeScript, REST APIs, GraphQL, Swift, Kotlin, Azure, CI/CD, GitHub Copilot, Cursor, App Store, Google Play, OAuth, OpenID Connect
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3d
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Lead Full Stack .NET . React Native developer
Seattle, Washington, United States
$100k-$130k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Global professional services providing technology and consulting services.
8+ YOE8+ years full-stack development experience; strong React Native, .NET APIs, TypeScript, Redux, GraphQL, REST APIs; observability with OpenTelemetry; Agile collaboration; excellent communication and mentoring skills.
React Native, .NET, TypeScript, Redux, GraphQL, REST APIs, OpenTelemetry
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1mo
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Senior Software Engineer
United States or San Francisco or Los Angeles or Chicago or Washington or Boston or New York City or Seattle or Austin
$80k-$200k/yr RemoteFull Time
Rinse
Rinse: Private laundry and dry-cleaning delivery serving consumers and businesses across major metropolitan areas.
5+ YOE5+ years experience with expertise in at least one core technology (Django, Python, TypeScript, React, React Native, PostgreSQL, performance, geospatial, iOS, Android, UI/UX).
Django, Python, TypeScript, React, React Native, PostgreSQL
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Staff Engineer, Commerce Platform
Seattle, Washington, United States
$182k-$260k/yr HybridFull Time
Rover
Rover: Connecting pet owners around the world with loving pet care and trusted pet services.
8+ YOE8+ years software development experience, deep technical background in system design and architecture, experience with Python, Django, relational databases, React, React Native, and AI coding tools.
Python, Django, React, React Native, Stripe, PayPal
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2mo
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Staff Software Engineer: Growth Engineering
United States or Hawaii or California or New York City or Seattle or Washington or Texas or Connecticut or Illinois or Massachusetts or New Hampshire or New Jersey or Oregon or Rhode Island or Vermont or Alabama or Alaska or Arizona or Arkansas or Colorado or Delaware or Florida or Georgia or Idaho or Indiana or Iowa or Kansas or Kentucky or Louisiana or Maine or Maryland or Michigan or Minnesota or Mississippi or Missouri or Montana or Nebraska or Nevada or New Mexico or North Carolina or North Dakota or Ohio or Oklahoma or Pennsylvania or South Carolina or South Dakota or Tennessee or Utah or Virginia or West Virginia or Wisconsin or Wyoming
$137k-$203k/yr RemoteFull Time
ModernHEALTH
ModernHEALTH: Private workforce mental health platform providing employers’ employees and families with coaching, therapy, group support, and digital care.
8+ YOERequires 8+ years of software development experience, 2+ years of full-stack web development, and expertise with Python, JavaScript/TypeScript, React, React Native, APIs, databases, technical leadership, and mentoring.
Python, Django, Flask, FastAPI, aiohttp, GraphQL, REST, React, React Native, TypeScript, Redux, Vite, PostgreSQL, Redis, Docker, Amazon Web Services (AWS), ECS, RDS, CloudFront, SQL, bash, SSO SAML, OIDC, JWT, AI, LLM
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Senior Fullstack Software Development Engineer
Seattle, Washington, United States
$180k-$225k/yr HybridFull Time
Remitly
RemitlyNASDAQ: RELY: Digital financial services provider for cross-border money transfers.
6+ YOE6+ years software development, 3+ years React/React Native, proficiency with TypeScript/JavaScript/Java/Kotlin/Go/Python, distributed systems experience, cloud (AWS/GCP/Azure), AI tool usage, on-call participation.
TypeScript, React, React Native, Java, Kotlin, Go, Python, JavaScript, AWS, GCP, Azure, Claude Code
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3w
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Software Engineer
Milpitas or Richardson or San Jose or Seattle
$155k-$223k/yr HybridFull Time
Cisco
CiscoNASDAQ: CSCO: Global leader in networking, cybersecurity, and cloud-native technology solutions.
5+ YOEBachelor's in Computer Science or equivalent with 5+ years experience, or Master's with 3+ years; Java, JavaScript, Angular, React experience required.
Java, JavaScript, Angular, React, Node.js, Python, Spring, PostgreSQL, MySQL, Kafka, Git, CI/CD
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1mo
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Software Engineer, Full Stack - Developer Insights
San Francisco or New York City or Los Angeles or Seattle
$131k-$192k/yr OnsiteFull Time
DoorDash
DoorDashNYSE: DASH: Technology enabling local on-demand delivery and commerce.
2+ YOE2+ years web development with TypeScript, React, and Java, Kotlin, Python, or Go; proficiency with AI coding tools; strong communication and product mindset.
TypeScript, React, Java, Kotlin, Python, Go, Backstage.io, Claude Code, Codex, Cursor
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1w
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Senior Software Engineer - Frontend
Seattle, Washington, United States
$160k-$250k/yr OnsiteFull Time
Hive
Hive: Private AI software providing models and APIs that understand, search, and generate content for businesses.
6+ YOE6+ years experience, expertise in object-oriented programming, in-depth knowledge of JavaScript, HTML, CSS, React and Redux, strong communication and collaboration skills.
React, Redux, Webpack, ES6, JavaScript, HTML, CSS
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3mo
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Staff Full Stack Software Engineer (Backend) - Scheduling
New York City or San Francisco or Seattle
$189k-$315k/yr OnsiteFull Time
Rippling
Rippling: Unified workforce management platform for HR, IT, and Finance.
8+ YOE8+ years backend experience with Python/Django, frontend experience with React/JavaScript, strong CS fundamentals, system design, product focus, and mentoring experience.
Python, Django, React, JavaScript
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2mo
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Frontend Software Engineer Graduate (Global E-commerce) - 2027 Start
Seattle, Washington, United States
$122k-$243k/yr OnsiteFull Time
TikTok
TikTok: Short-form mobile video and social media platform.
Bachelor's in CS or related, familiarity with JavaScript/TypeScript, HTML, CSS, modern frontend frameworks (React/Vue/Angular), core frontend concepts, and frontend tooling.
JavaScript, TypeScript, HTML, CSS, React, Vue, Angular, Webpack, Rollup
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1mo
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Staff Application Engineer
Bellevue, Washington, United States
$225k-$245k/yr HybridFull Time
Keystone AI
Keystone AI: Private B2B AI software helping global manufacturers optimize supply-chain forecasting, inventory, production, and fulfillment decisions.
Staff-level experience building production applications; expertise in React, TypeScript, JavaScript, HTML, CSS, APIs, testing, performance, security, and large data-intensive applications.
React, TypeScript, JavaScript, HTML, CSS, D3, SVG, Canvas, WebGL, Vega, Observable Plot
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3mo
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Staff Software Engineer, PEO Benefits
Denver or San Francisco or New York or Toronto or Los Angeles or Seattle
$163k-$247k/yr HybridFull Time
Gusto
Gusto: Gusto is a payroll, benefits, and human-resources software platform serving small and medium-sized businesses.
8+ YOE8+ years software development experience, PEO experience preferred, experience with large Ruby on Rails and JavaScript/React applications, AI tool fluency, and mentoring ability.
Ruby on Rails, Javascript, React
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2mo
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Software Engineer, Business Technology
New York City or Seattle or San Francisco
$320k-$405k/yr HybridFull Time
Anthropic
Anthropic: AI research developing safe and steerable AI systems.
6+ YOE6+ years building production software, ideally full-stack; proficiency with Python, TypeScript, and React; experience shipping products independently and building platforms or internal tools.
Python, TypeScript, React
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Senior Software Engineer, W&B Agent - W&B
Livingston or New York City or San Francisco or Sunnyvale or Bellevue
$182k-$242k/yr OnsiteFull Time
Weights & Biases
Weights & Biases: AI developer platform providing MLOps tools for teams building, evaluating, and monitoring machine-learning models and applications.
4+ YOE4+ years full‑stack experience with Python backend and React/TypeScript frontend; experience with FastAPI, Kubernetes, distributed systems, observability, and MySQL; security- and performance-minded.
Python, FastAPI, Kubernetes, React, TypeScript, Datadog, Weave tracing, MySQL, WebSockets, server-sent events
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