38 full stack applications developer jobs at 26 companies in Seattle, WA
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Full Stack Engineer (Contractor) - Palo Alto
Palo Alto or San Francisco or Singapore or Tokyo or Shenzhen or Seattle or Beijing
$85/hr OnsiteFull Time, Contract
3+ YOE3+ years full‑stack experience with modern frontend frameworks (React) and backend development (Go, Java or similar); RESTful API integration; building scalable, reliable web applications; strong communication and ownership.
React, Go, Java, RESTful API
6d
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Full Stack Developer L3
Redmond, Washington, United States
$60k-$149k/yr OnsiteFull Time
5+ YOE5+ years experience building scalable web applications using React and TypeScript, JavaScript, HTML/CSS, REST APIs, Node.js and databases like DynamoDB; strong communication and debugging skills.
React, TypeScript, JavaScript (ES6+), HTML, CSS, REST API, Node.js, DynamoDB, AWS, CI/CD
1mo
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Full Stack Software Engineer (Application Software)
Redmond, Washington, United States
$125k-$175k/yr OnsiteFull Time
1+ YOEBachelor's in CS/engineering/math or 2+ years experience; 1+ years full‑stack development; proficiency with Python/C#.NET/Go/Scala/Java; single‑page app and CI/CD experience preferred.
Python, C#.NET, Go, Scala, Java, Make, Bazel, Pants, Buck, Gradle, pip, npm, Terraform, Ansible, Puppet, Apache Kafka, RabbitMQ, ActiveMQ, Docker, Kubernetes, Angular, React, PostgreSQL, SQL Server, Electronic Medical Records (EMR)
1w
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Sr Full Stack Engineer
Seattle, Washington, United States
$150k-$180k/yr HybridFull Time
5+ YOE5+ years building production web applications with TypeScript, React, and Node; experience with testing, agentic coding workflows, startup environment, and geospatial or AI tooling preferred.
Next.js, TypeScript, React, Node.js, Express, React Query, Tailwind, MapLibre, shadcn/ui, Postgres, PostGIS, DuckDB, pgvector, BAML-based LLM agents, AWS, PMTiles, Wherobots, Datadog
2w
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Senior Full-Stack Engineer
San Francisco or Seattle or United States
$170k-$230k/yr HybridFull Time
3+ YOE3+ years building React applications, 1+ year backend experience, degree or equivalent experience, strong communication and customer-focus, comfortable across frontend and backend.
Ruby, Ruby on Rails, Java, Dropwizard, GCP, Kubernetes, Kafka, BigTable, Spanner, Graph DB, Postgres, Redis, gRPC, Python, Apache Airflow, Snowflake, BigQuery, ReactJS, React, React Query, React Router, Cypress, Jest, Storybook, SCSS
1mo
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Senior Full Stack Engineer - Seattle
Seattle or San Francisco or New York City
$200k-$220k/yr HybridFull Time
Haus: Provides an incrementality platform for marketing measurement and optimization.
5+ YOE5+ years building production web applications and APIs; strong Python and React skills; experience with Flask, SQLAlchemy, relational databases, cloud-native (GCP preferred), and AI development tools; on-call participation.
Python, Flask, React, SQLAlchemy, GCP, MySQL, PostgreSQL, Claude Code, Cursor, Copilot, Meta, Google, TikTok, Meta Marketing API, Google Ads API
2mo
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Senior Full-stack Engineer, AI Data Application – USDS
Seattle, Washington, United States
$178k-$342k/yr OnsiteFull Time
5+ YOEBS/MS in CS or related,5+ years building full-stack products,proficiency with React or Vue and backend (Python,Go,Node.js,Java),experience integrating AI/LLM features and building internal tooling,strong product and design sensibility.
React, Vue, Python, Go, Node.js, Java, Figma, LLM APIs, RAG pipelines
1mo
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Full Stack Software Engineer, Credit Cards & Banking
Bellevue or Menlo Park or New York
$166k-$195k/yr OnsiteFull Time
3+ YOE3+ years building customer-facing applications, mobile experience, proficiency with React/React Native, backend development experience; familiarity with Scala & Typescript; strong product sense and communication skills.
React, React Native, Scala, Typescript
1mo
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Software Engineer, Full-Stack
Bellevue or San Jose
$180k-$240k/yr OnsiteFull Time
5+ YOE5+ years building full-stack web applications; strong C#, Microsoft .NET/ASP.NET Core experience (or comparable stack), SQL fluency, Docker and Linux deployment experience, BS in CS or equivalent.
C#, Microsoft .NET, Microsoft ASP.NET Core, SQL, Docker, Linux
1w
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Staff Engineer – Full Stack Applications FinOps
Bethesda or Palo Alto or Dallas or Seattle
$110k-$230k/yr HybridFull Time
8+ YOE8+ years software engineering experience building full-stack web platforms; leadership in UI and backend, cloud and Kubernetes experience; strong knowledge of microservices, event-driven architectures, and data stores.
React, Typescript, Bootstrap, Django, Golang, Python, Kafka, gRPC, protocol buffers, Apache Spark, PostgreSQL, Cassandra, MongoDB, Kubernetes, k8s, Docker, Terraform, AWS, GCP, Azure, CICD, Java, ReactJS, TypeScript, BoostrapJS
1w
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Sr. Software Engineer - Full Stack Web Development
Tukwila or Seattle or Phoenix
$120k-$145k/yr HybridFull Time
5+ YOE5+ years building web applications with React, C#, SQL/relational databases and full‑stack web development; strong OOP, performance and architectural skills.
C#, React, SQL Server, SQL, Next.js, Terraform, Bicep, GitHub, Azure DevOps, Azure, CSS, Elastic, Redis, AWS
3mo
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Senior Software Engineer – AI Applications
Seattle or Washington or Arizona or Florida or Kentucky or Texas
$157k-$298k/yr HybridFull Time
8+ YOE8+ years full-stack experience; 2+ years AI in production; Python backend; TypeScript/SQL; AI model integration; AWS (Bedrock, Lambda, EC2, S3, RDS, DynamoDB); AI safety; English fluent.
Python, TypeScript, SQL, AWS Bedrock, AWS Lambda, AWS EC2, AWS S3, AWS RDS, DynamoDB, LangChain, vector databases, CI/CD tooling, inference evaluation, guardrails
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
1d
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Software QA Automation Engineer / Full Stack Application Tester
Seattle, Washington, United States
$60-$65/hr RemoteFull Time, Contract
Develop and maintain automated test suites, test web and enterprise applications, validate API/UI/integration/regression scenarios, participate in Agile, and support cloud migration to Azure.
Apache Struts, Java 8, JSP, JavaScript, Oracle 19c, Linux, GitLab, Apache Tomcat, IBM WebSphere, Spring Boot, Angular, NoSQL Databases, DevSecOps, Microsoft Azure Cloud, CI/CD
1mo
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Software Engineer
Seattle, Washington, United States
$157k-$235k/yr HybridFull Time
2+ YOEBachelor's degree plus 2 years software development experience. Proficiency with Java, Scala, Python, AWS, SQL, database management, design patterns, and building full‑stack web applications at scale.
Java, Ruby, Scala, Go, Python, AWS, SQL, Datadog, Prometheus
4d
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Software Engineer - Infrastructure
Seattle, Washington, United States
$157k-$235k/yr HybridFull Time
2+ YOEBachelor's in CS or related plus 2 years software development; 2 years developing applications and using Ruby, Java, Scala or Go; backend/full-stack, API and distributed systems experience; testing and debugging skills.
Ruby, Java, Go, Scala
1w
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UX Engineer, Disco, Chrome AI Innovation
Seattle or Mountain View
$132k-$190k/yr OnsiteFull Time
4+ YOEBachelor's or equivalent,4+ years front-end or UX engineering experience,application development experience,portfolio required; preferred 5+ years,motion design, prototyping, and full-stack experience.
chrome extensions, react, electron
3mo
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Software Engineer II, Backend
New York or San Francisco or Seattle
$152k-$190k/yr HybridFull Time
4+ YOE4+ years of professional experience designing, developing, and deploying full-stack applications; experience building client-side code end-to-end; strong engineering standards; hybrid work location (NY, SF, or Seattle).
Full-Stack Development, Client-Side Development, Software Engineering
6d
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Software Engineer (CEAI)
Redmond, Washington, United States
$85k-$168k/yr HybridFull Time
Bachelor's degree in computer science or related field (or equivalent experience). Experience building cloud-native full-stack applications; familiarity with Azure services, AI/LLMs, and DevOps practices.
C#, .NET, ASP.NET Core, React, REST APIs, Azure AI Foundry, Azure OpenAI, Azure SQL, Cosmos DB, GitHub Copilot, Microsoft Copilot, Semantic Kernel, GitHub, CI/CD
1mo
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Senior Software Engineer - Seattle, WA
Seattle, Washington, United States
$167k-$230k/yr OnsiteFull Time
3+ YOE3+ years building production web applications; deep React and TypeScript frontend expertise; full-stack mindset; experience with analytics/BI products; testing discipline and strong collaboration skills.
React, TypeScript, Fiber, GraphQL, React Query, Apollo, Jest, Cypress, Visx, D3, Recharts, Rosetta, Mixpanel, Cube, Pinot
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