15 backend net developer jobs at 10 companies in Washington

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Senior Backend Engineer, Developer Platform (Horde)
New York City or California or Washington or Cary
$173k-$279k/yr OnsiteFull Time
Epic Games
Epic Games: Develops video games and licenses the Unreal game engine.
6+ YOE6+ years building distributed systems for scheduling, queueing, storage, and failure recovery; experience with CI/CD/developer infrastructure; expert C#/.NET; cloud (AWS or Azure); strong backend architecture and communication skills.
C#, .NET, Unreal Engine, AWS, Azure, ASP.NET, gRPC, MongoDB, Redis
1mo
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Senior Software Engineer, Backend
Bellevue, Washington, United States
$160k-$210k/yr HybridFull Time
Cognitiv
Cognitiv: Deep learning platform for predictive advertising and media buying.
Senior backend engineer experienced with .NET Core (or similar), AWS, building partner integrations, scaling distributed systems, strong ownership, communication, testing focus, and operational excellence.
.NET Core, Java, Kotlin, AWS, RDS, ClickHouse, Datadog, CI/CD, ContextGPT
1mo
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Senior Software Engineer (Backend)
Seattle, Washington, United States
$140k-$200k/yr RemoteFull Time
Aerostrat
AerostratNYSE: AIR: Builds maintenance planning software for the aviation industry.
5+ YOE5+ years C#/.NET and SQL experience, 3+ years building REST APIs and cloud projects on Azure or AWS, experience designing technical solutions for engineers, strong communication and problem-solving skills.
C#, .NET, SQL Server, SQL, REST APIs, microservices, Azure, AWS, Slack
3w
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UI Engineer
Seattle or United States
$110k-$125k/yr RemoteFull Time
Marchex
MarchexNASDAQ: MCHX: Develops AI software for call tracking and conversation analytics
3+ YOEBachelor's degree or equivalent experience, 3+ years software development, strong frontend skills (Angular/TypeScript/HTML/CSS), experience with backend (.NET/C# or Node.js), CI/CD and observability tool experience, cloud familiarity (Azure preferred).
Angular, TypeScript, HTML, CSS, RxJS, Redux, C#, .NET, .NET 8, Node.js, Scala, SQL, NoSQL, Azure, GitHub Actions, Bicep, New Relic, Application Insights, Jasmine, Cypress, Playwright, Cursor, Claude Code, Codex, GitHub Copilot, Kafka
3mo
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Software Engineer
Seattle, Washington, United States
$134k-$198k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management software solutions.
5+ YOE5+ years of professional experience building production web apps; React; JavaScript/TypeScript; Webpack; backend tech (Node.js, .NET); RESTful and GraphQL APIs; authentication standards (OAuth 2.0, OIDC, SAML); cloud environments (Azure/AWS/GCP); CI/CD; testing; secure, scalable frontend/backend; agile environment.
React, JavaScript, TypeScript, Webpack, Node.js, .NET, REST, GraphQL, OAuth, OIDC, SAML, Azure, AWS, GCP, CI/CD, Testing
2mo
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(USA) Senior, Software Engineer
Seattle or Denver
$99k-$216k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Multinational retail operating discount stores and supermarkets.
3+ YOE3+ years software engineering experience, expertise in .NET/C#, backend services, AWS and Terraform, containerization, databases, excellent communication and analytical skills, BS in CS or equivalent.
.NET, C#, AWS, Terraform, Docker, Postgres, Redis, MySQL, Mongo, Angular
1w
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Software Engineer, Design Engineering (Starlink)
Redmond, Washington, United States
$125k-$175k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's degree or equivalent experience; 1+ years building full-stack software (3+ years without degree). Experience with TypeScript/React, .NET, Kubernetes, Docker, backend and database systems.
TypeScript, React, .NET, Kubernetes, Docker, Python, C#, Go, Scala, Java, PostgreSQL, SQL Server, Make, Bazel, Pants, Buck, Gradle, pip, npm, UNIX
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Senior Software Engineer (Full-Stack)
Seattle, Washington, United States
$140k-$200k/yr RemoteFull Time
Aerostrat
AerostratNYSE: AIR: Builds maintenance planning software for the aviation industry.
5+ YOE5+ years building backend services with C#/.NET and SQL, 3+ years with REST APIs and cloud (Azure or AWS). Experience with HTML/CSS/JS, AngularJS, Webpack, WebGL/Canvas, strong communication and problem-solving skills.
C#, .NET, SQL Server, SQL, HTML, CSS, JS, AngularJS, Webpack, WebGL, Canvas, Azure, AWS, REST
1w
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Senior Engineer 2, Merchandise Order Management - (Hybrid, Seattle)
Seattle, Washington, United States
$166k-$258k/yr HybridFull Time
Nordstrom
Nordstrom: Operates luxury department stores and off-price retail outlets.
8+ YOE8+ years software engineering experience, bachelor’s in engineering/computer science (or equivalent), strong full-stack skills, AI-assisted development experience, front-end and backend proficiency, database and DevOps knowledge.
HTML5, CSS3, JavaScript, React.js, Angular, Vue.js, Node.js, Express.js, Java, .NET, Python, Django, Flask, MySQL, PostgreSQL, MongoDB, Redis, CI/CD, Docker, AWS, Azure, GCP, Claude, Claude Code, GitHub Copilot
4w
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Software Engineer III – IntelliScript (Remote)
Brookfield or New York City or Alaska or California or Connecticut or Illinois or Maryland or Massachusetts or New Jersey or Pennsylvania or Virginia or Washington or District of Columbia
$105k-$199k/yr RemoteFull Time
Milliman
Milliman: Global provider of actuarial and risk management consulting services.
5+ YOE5+ years software engineering experience focused on data pipelines and backend systems; proficiency with C# (.NET), SQL, AWS, microservices, event-driven architectures, CI/CD and DevOps practices; strong problem-solving and mentoring skills.
C# (.NET), SQL, AWS, GitHub workflows, Terraform, CI/CD, DevOps, Agile/SAFe, EHR, FHIR, HL7
1mo
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Senior Software Engineer, e-Commerce Fulfillment
Romeoville or United States or Michigan or Nebraska or Illinois or Nevada or New Hampshire or Tennessee or Minnesota or Texas or Connecticut or Virginia or Maine or Indiana or District of Columbia or Wisconsin or Montana or New York or Maryland or Missouri or Kansas or Utah or Pennsylvania or Washington or Colorado or Arkansas or California or New Jersey or Iowa or Louisiana or Rhode Island or Massachusetts or South Carolina or Mississippi or Kentucky or Florida or Oregon or Ohio or North Carolina or Arizona or Idaho or Georgia
RemoteFull Time
Crate and Barrel
Crate and Barrel: Retails furniture, kitchenware, and home decor products.
5+ YOE5+ years building high-scale backend applications and microservices; expertise in event-driven architectures, message brokers (Kafka/RabbitMQ), distributed transactions, cloud platforms, software design, testing, and mentoring.
Kafka, RabbitMQ, AWS, Azure, GCP, Java, JVM, .NET, C#
1w
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Sr. Software Engineer, Platform
Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kansas or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Mississippi or North Carolina or Nebraska or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$120k-$150k/yr RemoteFull Time
Storable
Storable: Provides technology platform for storage and specialty real estate operators.
6+ YOE6+ years building backend services in SaaS; experience with C# .NET or Node.js/TypeScript, Postgres/MySQL, Redis, AWS, CI/CD, observability, and production engineering; US work authorization required.
C# .NET, Node.js, TypeScript, Postgres, MySQL, Redis, AWS, CI/CD, Greenhouse
3mo
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Software Engineer
Seattle, Washington, United States
$140k-$207k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provider of e-signature and intelligent agreement management software.
5+ YOEBachelor's or equivalent,5+ years professional web application experience,proficiency with React,TypeScript,Webpack,backend integration,authentication standards (OAuth2.0,OIDC,SAML).
React, TypeScript, Webpack, JavaScript, Node.js, .NET, GraphQL, OAuth 2.0, OIDC, SAML, Azure, AWS, GCP
1mo
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Senior Software Engineer
Seattle, Washington, United States
$158k-$233k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provider of e-signature and intelligent agreement management software.
8+ YOE8+ years backend engineering experience, B.S. in CS or similar, 3+ years building cloud-native microservices, experience with SQL/NoSQL, service reliability, and strong communication and design skills.
Redis, Cassandra, Elasticsearch, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Kubernetes Service (AKS), Microsoft Azure Blob Storage, Microsoft Azure SQL Database, C#, .NET, ASP.NET, PostgreSQL, Cosmos DB, GraphQL, GRPC, REST
1mo
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Senior Software Engineer
Seattle, Washington, United States
$158k-$233k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management software solutions.
8+ YOEBS in CS, 8+ years backend OOP experience, 3+ years building cloud-native microservices, SQL and NoSQL experience, service reliability knowledge; Microsoft/Azure and full-stack/API experience preferred.
C#, Java, C++, PostgreSQL, Azure SQL Database, Cosmos DB, Microsoft Azure, AWS, GraphQL, gRPC, REST, Redis, Cassandra, Elasticsearch, Azure App Services, Azure Kubernetes Service (AKS), Azure Blob Storage, SQL/No-SQL Databases, .NET, ASP.NET