Software Developer – C#/.NET Desktop Application

VSolvit•Norco, CA

7h•$39 - $58•Onsite

About The Position

VSolvit is seeking a Software Developer to support the development, modernization, and sustainment of mission-critical analysis applications for the U.S. Navy. The selected candidate will work in an Agile SAFe environment to design, develop, test, and maintain desktop applications using C#, .NET, WPF, and XAML. This role is suited for mid- to senior-level developers with strong desktop application experience and an interest in modernizing legacy systems.

Requirements

3–10+ years of professional software development experience.
Strong proficiency in C# and .NET desktop development.
Hands-on experience developing applications with WPF and XAML.
Strong knowledge of object-oriented programming and design patterns.
Experience with multi-threading, concurrency, and TPL.
Familiarity with Test Driven Development.
Experience with NUnit, xUnit, MSTest, or similar testing frameworks.
Familiarity with Moq or similar mocking frameworks.
Experience troubleshooting complex software systems.
Working knowledge of Git.
Strong communication and teamwork skills.
U.S. citizenship required.
Ability to obtain and maintain a U.S. Government Security Clearance.
If applicable, former or current U.S. Government employees must provide a post-employment ethics letter if offered employment.

Nice To Haves

Advanced WPF and XAML experience, including MVVM.
Experience with Telerik UI controls.
Experience creating or maintaining YAML-based CI/CD pipelines.
Experience with Azure DevOps, GitHub Actions, Jenkins, or similar tools.
Experience with Agile Scrum or SAFe.
Experience with Jira and Confluence.
Experience in government, defense, or regulated environments.
Experience modernizing legacy applications.
Familiarity with Delphi.
Active Secret or Top Secret clearance.
CompTIA Security+ certification.

Responsibilities

Develop, test, and maintain desktop applications using C#, .NET, WPF, and XAML.
Support modernization of legacy applications, including Delphi-based systems.
Apply object-oriented design, multi-threading, concurrency, and asynchronous programming.
Use Test Driven Development practices and create automated tests.
Troubleshoot software defects and performance issues.
Participate in code reviews, design discussions, sprint planning, and Agile ceremonies.
Support CI/CD pipelines and technical documentation.
Collaborate with engineers, testers, and government stakeholders.