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Sr. Full-Stack Developer I (6504)

MetroStar Systems, LLC
vision insurance, parental leave, paid time off, 401(k), retirement plan
United States, D.C., Washington
2201 C Street Northwest (Show on map)
Apr 02, 2026

As a Sr. Full-Stack (.NET) Developer I, you'll work on a portfolio of mission-critical applications that support the highest levels of the federal government.

We know that you can't have great technology services without amazing people. At MetroStar, we are obsessed with our people and have led a two-decade legacy of building the best and brightest teams. Because we know our future relies on our deep understanding and relentless focus on our people, we live by our mission: A passion for our people. Value for our customers.

If you think you can see yourself delivering our mission and pursuing our goals with us, then check out the job description below!

What You'll Do:



  • Develop web applications using .NET / C# / Entity Framework / MVC / RESTFul APIs
  • Establish and maintain a high level of client trust and confidence with your software development skills
  • Creatively think out of the box to help out with troubleshooting issues and providing innovative solutions that fit customers' need


What You'll Need to Succeed:



  • An active Top Secret with SCI eligibility security clearance.
  • 5+ years of software development experience with .Net Web Forms and MVC web application development in C#
  • Operational experience with .NET Core, .NET Framework, Entity Framework, Quartz, AngularJS, React, Azure DevOps, GitLab CI/CD, PostgreSQL, and MS SQL.
  • Possess DoD 8140 certification aligned to the 621 Software Developer work role, such as Security+, SSCP, CSSLP, or CISSP.
  • BA/BS and have a minimum of three years of relevant experience and/or education/certifications commensurate with experience. Relevant experience can be substituted for education.
  • Can provide support for, and technical review for potential integration of, systems, security, applications for portability, flexibility, and data exchange with disparate systems
  • Can integrate custom applications into multiple networks and into the bastion forest domains, on and off premises, as provided by the ENC government; resolve all incompatibilities and assist with any troubleshooting, malfunctions and incompatibilities and ensure optimal performance and maintain mandated security
  • Have experience assisting the government in development of the current application portfolio and future applications accessibility
  • Have experience with Object Relational Mapping (ORM) frameworks such as Entity Framework
  • Have experience in front-end development with HTML, CSS, and JavaScript libraries and frameworks such as JQuery, Angular, and React
  • Have experience working with Source Code repositories and CI/CD pipeline solutions such as Team Foundation Server/Azure DevOps, Bitbucket, and GitHub


Why Consider this Role:



  • Work with a highly talented, fast-paced team
  • Support a premier mission with high visibility and impact
  • Have the ability to influence the roadmap of the application portfolios
  • Exposure to numerous career growth opportunities and mentorship


SALARY RANGE: $120,000 - $175,000

The salary range for this position is determined based on qualifications, skills, and relevant experience. The final salary offered will be determined based on several factors including:



  • The candidate's professional background and relevant work experience
  • The specific responsibilities of the role and organizational needs
  • Internal equity and alignment with current team compensation
  • This role is also eligible for additional compensation, subject to the terms and policies of MetroStar, which may include:


    • Performance-based bonuses
    • Company-paid training and/or certifications
    • Referral bonuses


To apply for this position, please submit your resume via the form below or through our careers page:https://www.metrostar.com/jobs/

Application Deadline: Applications will be accepted on a rolling basis until the position is filled; candidates are encouraged to apply as early as possible for full consideration.

Additional Compensation: This role may also be eligible for bonuses and/or additional incentives based on individual and company performance.

Benefits: All full-time employees are eligible to participate in our benefits programs:



  • Health, dental, and vision insurance
  • 401(k) retirement plan with company match
  • Paid time off (PTO) and holidays
  • Parental Leave and dependent care
  • Flexible work arrangements
  • Professional development opportunities
  • Employee assistance and wellness programs


Like we said, we are big fans of our people. That's why we offer a generous benefits package, professional growth, and valuable time to recharge. Learn more about our company culture code and benefits. Plus, check out our accolades.

Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment based on merit and without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, status as a protected veteran, or any other status protected by applicable federal, state, local, or international law.

What we want you to know:

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.

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