Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
341 senior react developer jobs at 152 companies in Mountlake Terrace, WA
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Senior React Developer
Seattle, Washington, United States
OnsiteFull Time
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
1mo
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React-Native Engineer (Senior or Staff)
Seattle, Washington, United States
$180k-$245k/yr HybridFull Time
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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.Net/React Senior Developer
Seattle, Washington, United States
$100k-$120k/yr OnsiteFull Time
5+ YOE5+ years experience; proficiency in .NET/.NET Core,C#,React,SQL; experience with application architecture, microservices,Azure and CI/CD; bachelor's in computer science.
.NET Core, .NET, C#, HTML5, CSS3, React, JavaScript, SQL, PL SQL, SQL Server, Oracle, Microsoft Azure, Azure Storage, CI/CD
2w
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Software Development Engineer III - React
Woodbury or Seattle or Boca Raton
$117k-$127k/yr HybridFull Time
5+ YOERequires 5+ years of front-end development, deep React and JavaScript/TypeScript proficiency, Next.js and AWS experience, full-stack knowledge, and technical leadership skills.
React, Next.js, AWS, JavaScript, TypeScript
2mo
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Senior Front End Software Engineer, React
Seattle, Washington, United States
$191k-$253k/yr OnsiteFull Time
Proficiency with React and TypeScript, experience building real-time user interfaces, strong engineering background, ability to work with customers, and eligibility to obtain U.S. Top Secret clearance.
React, TypeScript, Lattice OS
3mo
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Senior Software Engineer, Fullstack
Seattle, Washington, United States
$126k-$189k/yr OnsiteFull Time
8+ YOE8+ years software development; JavaScript/HTML/CSS; Python; React; cloud platforms (AWS or Google Cloud); analytics/observability tools; AI-enabled applications; strong communication.
React, Python, AWS, Google Cloud, Datadog, Heap
4mo
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Senior Software Engineer - Conversational Search
Seattle, Washington, United States
$167k-$204k/yr OnsiteFull Time
5+ YOE5+ years full-stack software development, React and Java; experience with frontend tech, AI/LLMs, scalable web apps, leadership and mentoring.
Java, JavaScript, React, TypeScript, SQL, Hibernate, PostgreSQL, AWS, Redis, Kafka, Kubernetes, GraphQL, Sierra AI SDK, OpenAI APIs, MCP, RAG
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Senior Software Development Engineer
Seattle, Washington, United States
$159k-$302k/yr OnsiteFull Time
10+ YOESenior software engineer with 10+ years of experience, expertise in full-stack development, AI-native systems, and scalable architectures.
React, Web Components, HTML, CSS, JavaScript, TypeScript, Node.js, AI tooling, Generative AI, LLMs, NewRelic, Splunk
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Software Development Engineer IV, React Native
Mountlake Terrace, Washington, United States
$136k-$231k/yr HybridFull Time
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
2mo
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Senior Software Engineer
United States or New York City or San Francisco or Seattle
$128k-$210k/yr RemoteFull Time
5+ YOE5+ years full-stack engineering experience (Senior I) or 6+ years (Senior II); experience delivering complex projects; leadership and mentoring; experience with Elixir, Postgres, GraphQL, React, TypeScript, and AWS; participate in on-call rotation.
Elixir, Postgres, GraphQL, React, TypeScript, AWS
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Senior Mobile Developer
Tacoma, Washington, United States
$100k-$160k/yr OnsiteFull Time
7+ YOE7+ years mobile development experience; proficiency in Swift, Java, Kotlin, React Native or Xamarin; backend experience (PHP, Python, Ruby, Java, Node.js, Django); leadership and agile experience; able to obtain DoD Public Trust.
Swift, Java, Kotlin, React Native, Xamarin, Node.js, Django, PHP, Python, Ruby
3mo
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Backend Senior Software Engineer
Austin or Bellevue
$111k-$172k/yr HybridFull Time
2+ YOESenior backend engineer with a bachelor's or master’s in STEM and 2+ years (or 5+ yrs directly) of related experience; strong coding and problem-solving skills.
Java, C++, HTML, CSS, JavaScript, Python, C#, PHP, Angular, React, Kubernetes, Docker, APIs, SQL
2mo
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Senior iOS Engineer
Irvine or New York City or San Francisco or Seattle
$168k-$262k/yr OnsiteFull Time
6+ YOE6+ years professional iOS development with Swift, experience shipping App Store apps, strong architecture and performance skills, mentoring experience, familiarity with hybrid WebView/React integration.
Swift, React, React Native, WebView, Claude Code, GitHub Copilot, Cursor
1mo
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Senior Software Engineer
Los Angeles or Seattle
$143k-$214k/yr OnsiteFull Time
7+ YOE7+ years professional software experience; cloud-native development on AWS; full‑stack with React and TypeScript; experience with serverless, containerized apps, RAG/LLM integrations, GraphQL/REST; strong communication and mentorship skills.
React, TypeScript, AWS, Lambda, ECS, DynamoDB, S3, Step Functions, API Gateway, Fargate, GraphQL, LLMs, vector databases
3mo
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Senior AI Software Engineer, High Value Send
Seattle, Washington, United States
$180k-$225k/yr HybridFull Time
8+ YOESenior AI Software Engineer with 8+ years in software development; strong frontend (TypeScript/React) and backend (Java, Kotlin, Go, Python); cloud experience (AWS/GCP/Azure); fintech familiarity.
TypeScript, React, React Native, iOS, Android, Java, Kotlin, Go, Python, AWS, GCP, Azure
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Senior Full Stack Developer
Seattle, Washington, United States
$125k-$170k/yr HybridFull Time
10+ YOEBachelor's in Computer Science (or equivalent), 10 years' related experience, strong HTML/CSS/JavaScript, React/Angular, backend API development, MS SQL/Azure SQL, Git and CI/CD experience.
HTML, CSS, JavaScript, React, Angular, js, Java, PHP, MS SQL, Azure SQL, Git, CI/CD
3mo
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Senior Full-Stack WebApp Engineer
Bellevue, Washington, United States
$98k-$244k/yr OnsiteFull Time
5+ YOE5+ years of professional full-stack web engineering experience; strong TypeScript and React; Kotlin/Java on JVM or TypeScript backend; REST/gRPC, PostgreSQL, AWS, containers; testing discipline; strong communication.
TypeScript, React, Kotlin, Java, REST, gRPC, protobuf, PostgreSQL, DynamoDB, Redis, AWS, Docker, Kubernetes, CI/CD, Linkerd, ArgoCD, Terraform, OpenTelemetry, Grafana, Datadog
1mo
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Senior Software Engineer I
Aventura or Boston or New York City or Seattle
$150k-$166k/yr OnsiteFull Time
5+ YOE5+ years professional software development, BS in CS or equivalent, strong backend skills (Go/Java), Python experience valued, familiarity with React, Kafka, cloud microservices, CI/CD, and strong communication.
Go, Java, Python, React, Apache Kafka, MSK, Spark, Databricks, Ruby on Rails, AWS, GCP, Azure, CI/CD, LLM
3mo
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Senior Software Engineer, Frontend
New York or San Francisco or Seattle or Vancouver
$192k-$240k/yr HybridFull Time
7+ YOE7+ years of frontend experience with ES6+, React, TypeScript, and Webpack; end-to-end client-side development; strong communication and collaboration.
ES6+, React, TypeScript, Webpack, React Native
2mo
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Senior iOS Engineer, Twitch
Seattle or New York or Irvine or San Francisco
$193k-$262k/yr OnsiteFull Time
6+ YOE6+ years professional software and iOS development experience, strong Swift proficiency, experience leading architecture and mentoring engineers, production App Store shipping, and familiarity with hybrid WebView/React integrations and AI dev tools.
Swift, React, React Native, WebView, Claude Code, GitHub Copilot, Cursor
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