Software Developer – C#/.NET Desktop Application

VSolvit; Norco (CA); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Health benefits

401K Retirement Plan

Tuition Reimbursement

Life Insurance

Job summary

VSolvit is seeking a Software Developer to support modernization and sustainment of mission-critical Navy analysis applications. The role is 100% onsite in Norco, CA, working in an Agile SAFe environment to design, develop, test, and maintain desktop apps using C#, .NET, WPF, and XAML.

The candidate should have 3–10+ years of professional software development, strong WPF/XAML experience, and a background in modernizing legacy Delphi-based systems. U.S.

Qualifications

• 3–10+ years of professional software development experience.
• Strong proficiency in C# and .NET desktop development.
• Hands-on experience with WPF and XAML.
• Knowledge of OOP 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.
• 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.

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.

Skills

C# & .NET

WPF & XAML

OOP & design patterns

Multi-threading

Git

Testing frameworks

Moq

Communication

Education

Bachelor’s degree in Computer Science

Tools

NUnit

xUnit

MSTest

Delphi

Job description

POSITION IS 100% ONSITE DAILY IN NORCO, CA

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.

Primary 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.

Required Skills And Qualifications

• 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.

Preferred Skills And Qualifications

• 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.

Education and Certifications

• Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, or a related field, or equivalent experience.
• Ability to obtain required DoD Cyber Workforce certifications.

Company Summary

Join the VSolvit Team! Founded in 2006, VSolvit (pronounced 'We Solve It') is a technology services provider that specializes in cybersecurity, cloud computing, geographic information systems (GIS), business intelligence (BI) systems, data warehousing, engineering services, and custom database and application development. VSolvit is an award winning WOSB, CA CDB, MBE, WBE, and CMMI Level 3 certified company. We offer a customizable health benefits program that best meets the needs of its employees. Offering may include: medical, dental, and vision insurance, life insurance, long and short-term disability and other insurance products, Health Savings Account, Flexible Spending Account, 401K Retirement Plan options, Tuition Reimbursement, and assorted voluntary benefits. Our goal is to grow together and enjoy the work that we do as a team.

VSolvit LLC is an Equal Opportunity/Affirmative Action employer and will consider all qualified applicants for employment without regard to race, color, religion, sex, national origin, protected veteran status, or disability status.