Sr. .Net Developer II (6661)

Home > C# programming jobs

Sr. .Net Developer II (6661) in USA

MetroStar
Full time
Email

USA
10/03/2026
Report

Washington, DC

Responsibilities

Build and modernize enterprise applications using .NET and React.
Design APIs, services, and enterprise application architectures, and make technology selection decisions.
Integrate solutions across Microsoft 365, SharePoint, Teams, Dataverse, and the Power Platform.
Establish or mature CI/CD pipelines and deployment workflows.
Lead code reviews, define coding standards, mentor developers, and promote engineering best practices.
Use AI-powered developer tools to support modernization initiatives.
Collaborate with technical teams and stakeholders to deliver secure, scalable, and reliable solutions.

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.
Active Secret clearance and local presence in the DMV area with the ability to support onsite work in Washington, DC.
At least 8 years of progressive .NET development experience, including C#, ASP.NET MVC, and ASP.NET Core, with technical lead or senior engineering experience.
Experience making architecture and technology selection decisions for enterprise applications.
Proficiency with React, including hooks, component design, state management, and responsive UI development.
Experience developing server-side applications or APIs with Node.js.
Professional experience using AI-powered developer tools such as GitHub Copilot or OpenAI Codex.
Hands-on experience with Power Apps, Power Automate, Power BI, and Microsoft Dataverse.
Experience supporting or modernizing SharePoint-backed systems, including SharePoint Online and legacy SharePoint environments.
Deep experience with MS SQL, Entity Framework, and API design and consumption.
Experience establishing or maturing CI/CD pipelines and strong Git fundamentals.
Strong understanding of application security, Active Directory, and enterprise identity and access patterns.
Familiarity with Microsoft 365 and Office tools including SharePoint Online, Teams, Outlook, Excel, Word, and OneDrive.
Excellent communication skills and the ability to present technical recommendations to technical and non-technical stakeholders.
Ability to work onsite in a federal environment, with occasional Saturday deployment hours potentially required.

Benefits

Salary range of $147,000–$161,000, excluding potential bonuses and additional incentives.
Health, dental, and vision insurance.
401(k) retirement plan with company match.
Paid time off and holidays.
Parental leave and dependent care benefits.
Flexible work arrangements.
Professional development, company-paid training, and certification opportunities.
Employee assistance and wellness programs.
Full-time role based in the DMV area with onsite requirements in Washington, DC and occasional Saturday deployment work.

Salary: $147k - $161k/yr

MetroStar

MetroStar, a Veritas Capital portfolio company, is delivering next-generation products and solutions to U.S. government agencies. Focused on mission acceleration and cutting-edge technology, we equip agencies with the tools and strategies needed to navigate the future of national security, includ...

Similar positions

C# .NET Engineer

Sumundi
Contract

Remote
10/26/2026

Ghana

Middle Full-Stack Engineer (.NET)

Pearl
Full time

Remote
10/24/2026

Ukraine

Software Development Engineer II

Amazon
Full time

USA
10/24/2026
Salary: $144k - $194k/yr

Redmond, WA

Software Developer

Atlas Technica
Full time

Remote
10/24/2026
Salary: Competitive

Europe, Ukraine

Senior C# Developer - WPF

Bosch Global
Full time

Others
10/24/2026

Ovar, Portugal