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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)
3w
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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
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
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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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 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 Product Security Engineer
San Francisco or New York City or Seattle or Austin
$151k-$280k/yr OnsiteFull Time
5+ YOE5+ years product security experience, deep web application security, fluency in Python, React, Django Rest Framework, experience with code review, CI/CD application security, and mentoring engineering teams.
Python, React, Django Rest Framework, CI/CD, SSO, OAUTH, SAML, AWS
2mo
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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
2mo
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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
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
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
2mo
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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
2mo
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Senior Full Stack Software Development Engineer - AI, Search & Knowledge
Seattle, Washington, United States
OnsiteFull Time
7+ YOESenior full-stack engineer with 7+ years, expert in TS/React, Go or Python, REST/gRPC/GraphQL, cloud platforms, Kubernetes; strong UX, data-heavy UI, cross-functional collaboration.
TypeScript, React, Tailwind, Go, Python, REST, gRPC, GraphQL, AWS, GCP, Azure, Kubernetes
3w
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Senior Security Engineer (Product)
New York City or San Francisco or Seattle
$223k-$279k/yr HybridFull Time
5+ YOE5+ years security or software engineering experience, strong application and product security skills, experience with cloud and modern stacks, security reviews, incident response, and AI-native tooling.
Lacework, Python 3, TypeScript, FastAPI, SQLAlchemy, React, Postgres, Redis, AWS, Spark, Kafka, Datadog, PagerDuty, Github, Snyk, Semgrep
3w
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Senior Software Engineer, Full-Stack (Agentic Platform)
Seattle or San Francisco
$180k-$255k/yr HybridFull Time
Senior full-stack engineer with product focus; hands-on production experience shipping LLM/AI systems, fluency with coding agents, React/TypeScript across stack, strong product sense and autonomy.
TypeScript, React, LLM
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
2mo
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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
1mo
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Senior Software Engineer, Portal
Atlanta or Austin or San Francisco or Seattle
$223k-$259k/yr RemoteFull Time
5+ YOE5+ years front-end/full-stack experience with deep expertise in React and TypeScript, strong full-stack fundamentals (APIs, PostgreSQL), working knowledge of Rust, product/design sensibility, senior ownership, and strong communication.
React, TypeScript, Rust, PostgreSQL, GraphQL, REST, Swift, Kotlin, Figma, Grafana, Kubernetes, Apollo, urql, CSS
1mo
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100524 - Senior Software Engineer II
Seattle or Washington
$149k-$238k/yr HybridFull Time
10+ YOEBachelor's in CS/Engineering, 10+ years software development, experience designing scalable cloud systems, proficiency in GoLang/Scala/Java/TypeScript/JS/C#, SQL/NoSQL, Kafka/ActiveMQ, and strong system-design and leadership skills.
GoLang, Scala, Java, TypeScript, JavaScript, C#, SQL, NoSQL, Kafka, ActiveMQ, React, Selenium, Puppeteer, Playwright, AWS, Azure, CDNs