241 senior software engineer react jobs at 118 companies in Lacey, WA
2w
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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)
3mo
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Senior Software Engineer
Seattle, Washington, United States
$155k-$211k/yr HybridFull Time
5+ YOE5+ years of professional software engineering; strong TypeScript/Node.js; React; distributed systems; SQL/NoSQL databases; Kafka/RabbitMQ; Docker/Kubernetes; cloud deployments; strong communication.
TypeScript, Node.js, React, Kafka, RabbitMQ, Docker, Kubernetes, AWS, Azure, GCP, SQL, NoSQL
1mo
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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 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
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
2mo
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Senior Software Engineer - Agentic AI Applications
Seattle, Washington, United States
$152k-$230k/yr RemoteFull Time
Senior full-stack engineer with AI integration experience, strong TypeScript React/Next.js frontend and Python/SQL backend, API design, CI/CD, and on-call resilience.
TypeScript, React, Next.js, Python, SQL, REST, GraphQL, Docker, CI/CD, WebSockets
2mo
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Fullstack Senior Software Engineer
Austin or Bellevue
$111k-$172k/yr HybridFull Time
3+ YOESenior software engineer with front-end and back-end expertise; strong collaboration and problem-solving skills; 3+ years for Bachelor’s or 5+ years experience alternative.
HTML, Java, C++, C#, CSS, JavaScript, Python, APIs, Angular, React, Kubernetes, Docker, Git
3mo
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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
4w
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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
2mo
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Senior Software Engineer, Product Foundations
Seattle or Los Angeles
$150k-$200k/yr OnsiteFull Time
8+ YOE8+ years backend software engineering; expert Java; microservices; Kubernetes; AWS; observability; databases; AI tooling; strong technical communication.
TypeScript, React, Scala, Java, Kubernetes, AWS, Kafka, SQS, MySQL, PostgreSQL, Snowflake, Git, GitHub, Datadog, Copilot, Claude Code, CI/CD
1mo
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Senior Software Engineer II
Seattle, Washington, United States
$164k-$221k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience, bachelor’s in computer science or related, strong with Python/FastAPI, React/TypeScript, AWS, relational databases; Parquet and AWS Athena familiarity preferred.
Python, FastAPI, React, TypeScript, AWS, Parquet, AWS Athena
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
3w
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Senior Software Engineer
Bellevue or Seattle
$170k-$253k/yr OnsiteFull Time
8+ YOE8+ years software development; 3+ years building and operating cloud-native, scalable services; experience with backend languages, APIs, CI/CD, security, and mentoring engineers.
Node.js, Python, Java, Go, Rust, TypeScript, React, Angular, SQL, NoSQL, Jenkins, GitHub Actions, Azure DevOps, Docker, Kubernetes, Terraform, CloudFormation, AWS, Azure, GCP, LLM, FaaS, PaaS
1mo
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Staff, Software Engineer
Sunnyvale or Bellevue
$132k-$286k/yr OnsiteFull Time
6+ YOESenior software engineer with cloud and large-scale system experience. Strong Java, Node.js, React, API and microservices experience; familiarity with Kafka/ActiveMQ, relational and No-SQL databases, CI/CD, automation tools, and agile practices.
Java, Node.js, React, REST, GraphQL, Spring, Tomcat, Kafka, ActiveMQ, No-SQL, Appium, Selenium, Jira, Rest Assured, AssetJ, Gatling, CI/CD
1mo
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Senior Software Engineer
Madrid or Paris or Seattle or London or Berlin or San Francisco or New York City or Sydney or Mexico City
HybridFull Time
7+ YOE7+ years back-end experience with TypeScript/Node.js or similar, production AWS experience, strong focus on scalability, observability, and mentoring; frontend React experience is a plus.
Node.js, TypeScript, AWS, Serverless, EKS, Python, Ruby, Rails, React, REST API, GraphQL, PostgreSQL, DynamoDB, OpenSearch, Redis
1mo
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Senior Software Engineer, Growth
Canada or United States or Seattle or Paris
$161k-$261k/yr RemoteFull Time
6+ YOE6+ years software engineering experience, bachelor's or equivalent experience, strong JavaScript/TypeScript and React skills, backend experience with Go or Python, A/B testing and feature flag implementation, familiarity with analytics and data warehouse tooling.
React, JavaScript, TypeScript, Go, Python, Adobe Target, Unleash, Looker, Snowflake, Redshift
4w
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Senior Software Engineer
Bellevue, Washington, United States
$170k-$253k/yr OnsiteFull Time
8+ YOE8+ years software development; 3+ years building cloud-native scalable services; experience with server-side languages, RESTful APIs, CI/CD, security fundamentals, and mentoring engineers.
Node.js, Python, Java, Go, Rust, TypeScript, React, Angular, SQL, NoSQL, Jenkins, GitHub Actions, Azure DevOps, OAuth, SSO, Docker, Kubernetes, Terraform, CloudFormation, AWS, Azure, GCP, LLM, Retrieval-Augmented Generation (RAG)
2w
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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
5d
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Senior Software Engineer - HYBRID
Richardson or Dallas or Bethesda or Seattle
$100k-$215k/yr HybridFull Time
5+ YOE5+ years software development and 4+ years backend experience required. Requires full-stack expertise with React, JavaScript, .NET or Java, databases, cloud platforms, and a relevant bachelor's or master's degree or equivalent experience.
React, TypeScript, JavaScript, ASP.NET Core, Java, Spring Boot, SQL, JSON, XML, YAML, Azure, AWS, GCP, Docker, Kubernetes, RESTful APIs, Python, Go, PowerShell, HTML5, CSS3, ReactJS, Redux, Hooks, NoSQL