Sr C# Developer - Public Trust

Senior Software Developer

Location: Washington, DC (5 days a week in office)

Job Summary

Join Leidos in supporting the ESA V program, an IT applications and infrastructure services initiative for the Department of Justice (DOJ). We are seeking a personable and articulate Senior Software Developer to ensure customer needs are met efficiently. This role requires a self-starter who can work with minimal supervision and possesses excellent communication skills to interface effectively with customers. The position is based full-time in the Washington, DC metro area at a primary customer location.

Primary Responsibilities

• Support full lifecycle development of custom applications using C# and the .NET ecosystem.
• Design, develop, and test high-quality C# and .NET applications.
• Collaborate with program managers, business analysts, and engineers to translate business requirements into technical solutions.
• Lead or contribute to architectural decisions and technical designs.
• Troubleshoot, debug, and optimize application performance.
• Monitor and provide operational support to applications.

Basic Qualifications

• BS degree with 12 - 15 years of relevant experience or a Master's with 10 - 13 years of experience. A Doctorate in a technical domain is also acceptable.
• U.S. Citizenship required.
• Ability to obtain and maintain a public trust security clearance.
• Strong proficiency in C# and .NET/.NET Core framework.
• Experience in building and maintaining backend services and APIs.
• Experience establishing goals and meeting project plan objectives.
• Solid understanding of object-oriented design principles and patterns.
• Experience with relational databases (Oracle).
• Ability to write and maintain system documentation on work products.
• Experience with GitLab for source control.
• Excellent communication and teamwork skills.
• Agile development experience.
• Customer interface experience.

Preferred Qualifications

• Experience with modern web frameworks (ASP.NET Core, REST APIs).
• Knowledge and experience with Model, View, and Controller (MVC) architecture.
• Knowledge of CI/CD pipelines and automated testing.
• Familiarity with frontend technologies (React, Angular, etc.).
• Experience troubleshooting operational issues.
• Government contracting experience, particularly with the DOJ.
• Current DOJ Clearance.

Washington, DC, the nation's capital, offers a rich history, vibrant culture, and diverse community, making it an ideal location for professionals seeking growth and opportunity.

Due to federal requirements, only US Citizens and lawful permanent residents (where applicable based on required security clearance) are eligible for this position.

Benefits

PEAK's benefit offerings available for our associates include medical, dental, vision, Flexible Spending Account (FSA), Dependent Care Savings Account (DCA), and 401K plan. PEAK believes that taking care of our team is essential for success and we are proud to provide benefits that enhance both your well-being and your future. Additionally, our associates may be eligible for Paid Sick Leave as required by Federal, State, or local laws.

Equal Opportunity Employer (EEO)

PEAK Technical Staffing is committed to creating a diverse and inclusive environment and is proud to be an Equal Opportunity Employer. PEAK does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status, or any other characteristic protected by applicable law. All employment decisions are made based on qualifications, merit, and business need. We encourage all individuals to apply.

Candidate Privacy

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AI Recruiting Disclosure

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