Top .NET Developer Jobs in Washington, DC

As a Software Engineer, you will design, develop, and deliver high-quality software, contribute to code reviews, monitor application performance, and ensure maintainability and consistency across products.

The job involves developing applications using .NET technologies including C#, ASP.NET, and MVC, along with web client frameworks.

The Semi-Senior Full-Stack .NET Developer will design and implement web applications, collaborate with teams, and troubleshoot multiple projects using various technologies.

The .Net Developer designs and implements software applications, analyzes system changes, collaborates with departments, and develops complex programs in compliance with standards.

The Senior SharePoint .Net Developer will design, develop, and maintain SharePoint environments, troubleshoot production issues, and lead application development teams.

The .NET Web Application Developer will create and maintain web and mobile applications, collaborating with teams to meet client requirements while keeping up with industry trends.

The .NET Developer will design, develop, and enhance web-based applications, maintain ERP solutions, and collaborate with cross-functional teams to support software throughout its lifecycle.

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

Senior .NET Full Stack Developer responsible for designing, developing, testing, and enhancing enterprise .NET applications, integrating third‑party components, optimizing C#/ASP.NET code, automating operational workflows, and supporting large‑scale data processing and analytics. Works with lead architects across the SDLC and conducts architecture reviews, code reviews, and knowledge transfer.

Design, develop, and modernize enterprise web applications using .NET/ASP.NET/C#, SQL Server, and modern front-end technologies. Perform testing, troubleshooting, performance tuning, collaborate with cross-functional teams, and support secure, mission-critical government systems.

Develop and maintain applications, manage infrastructure, implement system improvements, and interact with customers to ensure timely support ticket closures.

The .Net Developer will support business functions by developing, implementing, and maintaining applications, collaborating in a Scrum Team, and ensuring software meets specifications.

The Sr. .NET Developer will support business functions by developing, implementing, and maintaining application systems, focusing on BI tools and Web APIs.

The C#/.NET Developer will design, develop, and implement software solutions, collaborating in an Agile environment, and ensuring code quality and performance.

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

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.

The Senior .NET Developer will modernize applications, enhance legacy systems, lead Agile activities, and mentor junior developers while utilizing backend technologies.

The .Net Developer will design, build, test, and maintain scalable web applications using .NET technologies, and coordinate development tasks across teams.

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

We are looking for a motivated .NET Developer to build scalable applications, collaborating with teams to design, develop, and maintain software.

The Senior .NET Developer will work on developing and maintaining applications, mentor junior developers, and ensure compliance with regulations. The role requires expertise in full-stack development, particularly with SQL Server databases and Azure.

The Senior .NET Engineer will maintain, debug, and improve enterprise applications, triage production issues, and collaborate with stakeholders to meet business requirements.

As an Online Game Services Engineer, you will develop backends for multiplayer games, support live features, and improve player experience through feature iteration and optimization.

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

The Staff Software Engineer will design .NET infrastructure, automate builds, maintain tooling for .NET libraries, and mentor peers while ensuring security and reliability.