Senior .NET Engineer — Cloud-Native Microservices Lead (GovCloud)

United States Digital Space LLC

Herndon (VA)

On-site

USD 130,000 - 185,000

Full time

7 days ago

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Benefits offered by this job

Health, dental & vision insurance

401(k) plan with employer contribution

Generous PTO and federal holidays

Job summary

United States Digital Space LLC is seeking a Senior .NET Developer to join a skilled team supporting a high-availability, enterprise-scale application in AWS GovCloud. You will own a complex production codebase, provide technical leadership, and collaborate with operations and engineering teams to deliver secure, scalable software.

The role emphasizes hands-on coding, production troubleshooting, and cross-layer ownership of a mission-critical system.

Qualifications

Bachelor’s degree or equivalent experience in Computer Science, Engineering, Information Technology, or a related technical discipline.
8+ years of professional software development experience, including significant experience developing and supporting enterprise-scale production applications.
Expert-level hands-on development experience with C#, .NET Core, and modern .NET (8/9/10 or similar).

Responsibilities

Design, develop, maintain, and continuously improve a large-scale production application.
Take ownership of the application codebase and establish technical direction and standards.
Design, develop, and maintain microservices and RESTful APIs using C# and .NET 10/.NET Core.
Develop and support cloud-native applications deployed within AWS GovCloud.
Design and maintain scalable, resilient, and highly available services processing millions of messages monthly.