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MetroStar

Senior Software Developer III

MetroStar

Sr. Software Developer III designing and building software solutions for MetroStar's mission-critical operations.

Posted 6/29/2026full-timeWashington, D.C. • Washington • 🇺🇸 United StatesSenior💰 $184,000 - $225,000 per yearWebsite

Tech Stack

Tools & technologies
AngularASP.NETAWSAzureDockerEntity FrameworkJavaScript.NETNode.jsReactSQLTypeScript

About the role

Key responsibilities & impact
  • Troubleshoot and resolve production issues in a timely and effective manner
  • Work as part of a collaborative, high-performing team delivering technical solutions for mission-critical federal government systems
  • Support O&M and design, develop, and modernize custom enterprise applications
  • Apply secure coding practices across all phases of development
  • Participate in code reviews and Agile ceremonies (planning, stand-ups, retros, etc.)
  • Support and contribute to CI/CD pipelines and automated deployments
  • Communicate technical decisions and solutions clearly to both technical and non-technical stakeholders
  • Establish and maintain a high level of customer trust and confidence through technical expertise and professionalism
  • Use creativity and innovation to deliver solutions that meet customer and mission needs

Requirements

What you’ll need
  • Active Top Secret with current or previously held SCI access.
  • Bachelor’s degree in Computer Science or Software Engineering preferred; relevant experience may substitute.
  • Certification meeting DoD 8140 (e.g., Security+ or higher).
  • Required certification: Azure Developer Associate, AWS Developer Associate, or recent/relevant software development certification.
  • 10+ years of professional software development experience building, testing, and maintaining enterprise applications in mission-critical environments.
  • Expertise in C#, .NET, .NET Framework, Entity Framework, and development using ASP.NET (e.g., WebForms, MVC, REST APIs).
  • Front-end experience with TypeScript, JavaScript, HTML, CSS, Node.js, and Angular and/or React.
  • Back-end experience with database development and administration (e.g., SQL Server, T-SQL)..
  • Experience with source code management tools (e.g., Azure DevOps, GitLab, or GitHub), CI/CD pipelines, and containerization using Docker.
  • Strong understanding of Windows Server, PowerShell scripting, IIS hosting, Kerberos, and OIDC authentication.
  • Ability to contribute immediately with minimal ramp-up in a dynamic, mission-critical environment.

Benefits

Comp & perks
  • 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

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Hard Skills & Tools
C#.NETASP.NETTypeScriptJavaScriptHTMLCSSSQL ServerT-SQLPowerShell
Soft Skills
CollaborationCommunicationProblem-SolvingCreativityCustomer Trust
Certifications
Top Secret ClearanceDoD 8140 CertificationSecurity+AWS Developer Associate