MetroStar · 12 hours ago
Sr. Full Stack .NET Developer III (6386)
Washington, DC
Full-time
Onsite
Senior Level, Lead/Staff
$184K/yr - $207K/yr
10+ years expMetroStar is a company dedicated to delivering high-quality technology services through a passionate focus on its people. The Sr. Full Stack .NET Developer III will design, build, and deliver secure software solutions for mission-critical federal government systems, ensuring high standards of security and operational excellence.
Artificial Intelligence (AI)Cloud Data ServicesCyber SecurityInformation TechnologyMachine LearningManagement ConsultingMobileSoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
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
Troubleshoot and resolve production issues in a timely and effective manner
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
Qualification
Required
Active Top Secret with SCI eligibility security clearance
10+ years of professional software development experience building and supporting enterprise applications
Bachelor's degree in Computer Science or Software Engineering is preferred; relevant experience may be substituted
Certification meeting DoD 8140, aligned to 621 Software Developer role (Security+, SSCP, CSSLP, or CISSP)
Certification meeting AZ-204 or AWS Developer Associate
Demonstrated experience developing, testing, and maintaining object-oriented software applications, with primary proficiency in C#
Hands-on experience developing applications hosted on Windows and Apache web services environments
Operational experience with .NET Core, .NET Framework, Entity Framework, Quartz, AngularJS, React, Azure DevOps, GitLab CI/CD, PostgreSQL, and MS SQL
Proven ability to write clean, secure, and maintainable code and mentor other developers on secure coding practices
Ability to contribute immediately with minimal ramp-up in a mission-critical operational environment
Benefits
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
Company
MetroStar
MetroStar is a leading provider of secure digital transformation and Artificial Intelligence (AI)-enabled solutions, specializing in delivering cutting-edge IT services to government agencies and defense organizations.
501-1000 employees
Funding
Current Stage
Late StageTotal Funding
unknown2025-11-12Acquired
Leadership Team
Robert Santos
President and Co-Founder
Recent News
Washington Technology
2025-11-14
2023-09-19
Company data provided by crunchbase