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21 fullstack engineer jobs at 14 companies in Seattle, WA

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
3mo
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Software Engineer, Fullstack
Seattle, Washington, United States
$105k-$200k/yr HybridFull Time
QXO
QXONYSE: QXO: Tech-enabled distributor of building materials and products.
2+ YOE2–5 years software engineering; OO languages; React/Next.js/TypeScript; cloud experience; BS in CS/Engineering; strong collaboration.
Java, Kotlin, Go, React, Next.js, TypeScript, AWS, GCP, CI/CD, observability, performance tuning tools
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1w
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Data and AI Fullstack Engineer
Bellevue or Charlotte
$110k-$198k/yr HybridFull Time
Siemens
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
12+ YOESenior full‑stack engineer with extensive experience building cloud‑native microservices, data and AI platforms, RAG/Agentic AI knowledge, AWS experience, and mentoring/technical leadership skills.
Python, Java, TypeScript, NodeJS, AWS, EKS, SQS, Bedrock, Agent Core, SageMaker, Strands, Langgraph, LangChain, FastAPI, Open Telemetry, GitLab, npm, SonarQube, Terraform, Helm, Postman, Newman, JMeter, SQL, NoSQL
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1mo
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Fullstack Senior Software Engineer
Austin or Bellevue
$111k-$172k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
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
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1w
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Senior Fullstack Software Engineer
Seattle, Washington, United States
$159k-$192k/yr OnsiteFull Time
LiveView Technologies
LiveView Technologies: Provides mobile, solar-powered security units with AI-driven surveillance software.
5+ YOE5+ years professional development experience with full-stack TypeScript, React/Next.js, Node.js (NestJS preferred), GraphQL/Apollo, relational databases (MySQL), WebSockets, Docker, and modern CI/CD; strong communication and mentorship skills.
TypeScript, React, Next.js, App Router, server actions, Node.js, NestJS, Apollo Server, GraphQL, REST, MySQL, Knex, WebSockets, OAuth, OIDC, JWT, Docker, CI/CD
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1mo
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Fullstack Software Development Engineer II
Seattle, Washington, United States
$144k-$180k/yr HybridFull Time
Remitly
RemitlyNASDAQ: RELY: Provides digital cross-border money transfer services for global customers.
3+ YOE3+ years of professional software development; experience with TypeScript/React or native mobile; backend experience (Java/Kotlin/Go/Python); cloud platforms (AWS/GCP/Azure). Bachelor's degree in Computer Science or Engineering or equivalent experience.
TypeScript, React, Java, Kotlin, Go, Python, AWS, GCP, Azure
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4w
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Software Engineer - Fullstack (New Revenue)
San Francisco or Seattle
$140k-$235k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provider of e-signature and intelligent agreement management software.
5+ YOE5+ years software development; 3+ years JavaScript/Typescript web apps; experience with React, backend services, unit testing, CI/CD, Git; BS in CS preferred.
JavaScript, Typescript, React, C#, Python, Java, Git, Redux, Angular, CI/CD
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2mo
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Senior Software Engineer - Fullstack
Seattle, Washington, United States
$180k-$220k/yr HybridFull Time
Read AI
Read AI: AI productivity platform for meeting summaries and workplace insights.
6+ YOE6+ years in software engineering; strong React/TypeScript frontend; backend with Node.js/Java or Python; AWS; SQL and NoSQL databases; distributed systems; mentorship and devops mindset.
React, TypeScript, Node.js, Java, Python, AWS, SQL, NoSQL, REST, GraphQL, CI/CD, Docker, Kubernetes
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1mo
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Staff Software Engineer, Fullstack
San Francisco or New York City or Toronto or Seattle
$220k-$250k/yr HybridFull Time
WorkWhile
WorkWhile: AI-powered platform matching hourly workers with flexible shifts.
Experience building product systems end-to-end; frontend (JavaScript, React/React Native) or backend (Python); cross-stack collaboration; product-minded; ambiguity tolerance; mentoring engineers.
JavaScript, React, React Native, Python
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2mo
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Senior Software Engineer, Fullstack
Seattle, Washington, United States
$126k-$189k/yr OnsiteFull Time
Allen Institute for Artificial Intelligence
Allen Institute for Artificial Intelligence: Non-profit institute developing open-source artificial intelligence for scientific impact.
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
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2w
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Senior Software Engineer - Fullstack/Frontend
Redmond, Washington, United States
$120k-$235k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
4+ YOEBachelor's in CS or related and 4+ years engineering experience; strong front-end skills (TypeScript, React, JavaScript), experience building accessible, performant web apps, and ability to pass Microsoft background checks.
TypeScript, React, C, C++, C#, Java, JavaScript, Python, HTML, CSS, Microsoft Fabric, Azure SQL DB, Azure Cosmos DB, Azure PostgreSQL, Azure Data Factory, Azure Synapse Analytics, Azure Service Bus, Azure Event Grid, Power BI
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1w
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Sr. FullStack Software Engineer
Bellevue, Washington, United States
$120-$200/yr HybridFull Time
Practice by Numbers
Practice by Numbers: A building next-generation software products that combine data, automation, and AI to serve dental and medical practices.
5+ YOE5+ years full‑stack experience with Python/Django and React; experience building scalable SaaS, comfort with cloud (AWS/GCP/Azure), CI/CD, RESTful APIs, WebSockets, and AI/ML integrations.
Python, Django, React, Cursor, Windsurf, AWS, GCP, Azure, CI/CD, RESTful APIs, WebSockets
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1w
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Software Engineer (Backend/Fullstack) - Trust and Safety
Seattle, Washington, United States
$148k-$301k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
2+ YOEBachelor's in computer science or related, 2+ years industry experience, proficiency in data structures/algorithms and at least one language (Python/Go/PHP/C++/Java); strong problem-solving and communication skills.
Python, Go, PHP, C++, Java
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2mo
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Software Engineer II, Backend
New York or San Francisco or Seattle
$152k-$190k/yr HybridFull Time
Brex
Brex: Corporate cards and spend management software for businesses.
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
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1mo
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AI Engineer
Seattle, Washington, United States
OnsiteFull Time
Kanu AI
Kanu AI: AI agent for cloud infrastructure and software deployment.
2+ YOE2+ years building production-grade full-stack apps; fast-moving, high-ownership environment; clear communication and cross-team collaboration; familiarity with agent frameworks.
Full-stack development, API development, LLM integration, Cloud automation, Agent frameworks
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