Sr. Front End Developer II (6418)

MetroStar•Washington, DC

About The Position

As a Sr. Front End Developer II , you’ll lead UI/UX modernization efforts and deliver secure, high-performance front-end and enterprise web applications with the goal to make an impact across the federal government. Our mission application development team is responsible for building and sustaining mission-critical systems in a no-fail federal environment, and you’ll contribute to secure full-stack development while driving modern, scalable user experiences that enhance system performance, usability, and operational effectiveness. 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!

Requirements

Active Top Secret with SCI eligibility security clearance.
Bachelor’s degree in Computer Science or Software Engineering preferred; relevant experience may substitute.
Certification meeting DoD 8140 requirements (e.g., Security+ or higher).
Certification of Azure Developer Associate, AWS Developer Associate, or recent/relevant software development certification.
8+ years of professional software development experience building, testing, and maintaining enterprise applications in mission-critical environments.
Expertise with modern front-end development (e.g., TypeScript, JavaScript, HTML, CS, Node.js, Angular and/or React).
Strong understanding of modern UI/UX web design principles for performance and responsiveness.
Familiar with C#, .NET, .NET Framework, ASP.NET (e.g., WebForms, MVC, REST APIs).
Familiar with back-end database development and administration (e.g., SQL Server and T-SQL).
Familiar with source code management tools (e.g., Azure DevOps, GitLab, or GitHub), CI/CD pipelines, and containerization using Docker.
Ability to contribute immediately with minimal ramp-up in a dynamic, mission-critical environment.

Responsibilities

Lead design and implementation of modern, responsive, high-performance user interfaces using Angular and/or React.
Translate mission and operational requirements into intuitive, accessible UI/UX solutions.
Modernize legacy web applications to current front-end frameworks.
Troubleshoot and remediate production issues in a mission-critical environment.
Collaborate with security, infrastructure, and platform engineering teams.
Contribute to architectural decisions impacting performance, scalability, and maintainability.