285 senior software engineer react jobs at 128 companies in Bothell, WA
2w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
5d
Save
Mark Applied
Hide
Senior Software Engineer
United States or Dallas or Chicago or New York City or California or Seattle or Texas
$122k-$146k/yr RemoteFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years in software engineering, Angular or React, REST APIs, unit testing, security principles, Git, CI/CD, Agile, cloud-native development, and complex project delivery.
Angular, React, REST APIs, Test Driven Development, Behavior Driven Development, Microservice, Vertical Slice Architectures, C#, Python, Docker, MS SQL, Postgres, MySQL, ASP.NET, Kafka, Kubernetes, Helm, ArgoCD, Terraform, GitHub Actions, NoSQL, GraphQL, Azure, Git, CI/CD
3w
Save
Mark Applied
Hide
Senior Software Engineer
Seattle, Washington, United States
$73k-$174k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent,5+ years software development,strong Java and React experience,API and distributed systems knowledge,cloud (AWS/Azure/GCP) familiarity,SQL/NoSQL experience,good communication.
Java, React, JavaScript, TypeScript, HTML, CSS, SQL, NoSQL, Docker, Kubernetes, AWS, Azure, GCP, CI/CD
4w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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