Top .NET Developer Jobs in Seattle, WA

The .Net Developer will work with ASP .Net MVC and C#, troubleshoot issues, and support business analysts in finding data insights.

Seeking an Azure .Net Developer with over 10 years of experience, including 2 years in Azure, excellent C# and web services skills.

This role involves developing in C#, working with SQL Server, and utilizing tools such as Azure services, ASP.NET, and various JavaScript frameworks.

Seeking a .Net Developer with 4+ years of experience in .Net C#, SQL, and Azure. Excellent communication skills are required.

Seeking a Jr. .Net Developer with 2+ years of C# development experience for a full-time role in Redmond, WA.

The .Net Developer will work with .NET technologies, specifically C#, ASP.NET, MVC, Web API, and will have in-depth knowledge of CSS, JavaScript, JSON, and XML.

Seeking a .Net Developer proficient in C#, .NET, SQL, Power BI, and Windows PowerShell for full-time work in Redmond, WA.

The Jr. .Net Developer will work with C# on software development for clients, requiring at least 2 years of experience in programming.

Lead a team to develop SaaS solutions while coding and mentoring engineers. Responsible for technical leadership and team management.

The role involves developing full stack applications using C#/.NET for backend and React for frontend while managing AWS infrastructure and ensuring code quality.

Hands-on senior engineer responsible for modernizing and operating Azure-hosted .NET backend services. Tasks include migrating legacy code, updating SDK-style projects and NuGet packages, defining IaC, improving CI/CD, expanding E2E tests, diagnosing reliability issues, and participating in Agile ceremonies and design/code reviews.

The Integration Developer supports and maintains Rhapsody and .NET applications, automates workflows, and modernizes legacy systems for public health data exchange.

The C# / .NET Developer will design and maintain middleware applications, build Shopify integrations, and support a mobile app backend in a remote work environment.

Design, build, and maintain scalable customer-facing web applications using Vue and .NET. Collaborate with cross-functional teams, participate in code reviews, improve CI/CD/testing/monitoring, contribute to architecture, and communicate progress while supporting product and quality goals.

Build and enhance customer-facing web applications using Vue.js and .NET Core. Implement well-scoped features, write tested maintainable code, participate in code reviews, collaborate with cross-functional teams, support CI/CD and cloud deployments, and contribute to architecture and continuous improvement.

Senior full‑stack engineer focused on .NET and UI/UX modernization for cleared federal systems. Design and build C#/.NET enterprise apps, integrate with MS SQL/Oracle, conduct user research, create wireframes/prototypes, improve workflows and usability, and collaborate across engineering, QA, and operations within secure environments.

The Senior Software Engineer will design, build, and maintain scalable communication systems using a modern .NET stack, mentor junior engineers, and collaborate with teams.

The Senior Backend Engineer will develop backend solutions using .NET/C# and modern architecture, focusing on cloud services and databases, while managing client projects.

As a Senior Software Engineer, you'll design and deliver high-quality solutions, collaborate across teams, mentor junior engineers, and implement scalable software systems.

Design and implement cross-platform features for KeeperChat (desktop, mobile, web). Build and maintain .NET/C# MAUI clients and React web UI, optimize performance and reliability, participate in code reviews, collaborate with product/design/backend teams, and mentor junior engineers while upholding security and code quality.