Senior Application Developer - Military veterans preferred

ManTech (


  full-time   employee

District of Columbia
United States

Secure our Nation, Ignite your Future

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.  At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

Currently, ManTech is seeking a motivated, career and customer-oriented Senior Application Developer to join our team in Washington DC.

Responsibilities include, but are not limited to:

  • 10+ years Senior .NET Developer with deep knowledge of .NET architecture and broad range of Microsoft technologies including C#, ASP.NET, Angular, WebAPI, MVC, , JS Frameworks, Entity Framework/ORM, HTML5, CSS3, JSON.

Basic Qualifications:

  • Familiarity with Active Directory programming
  • DevOps, CI/CD, continuous Integration, and development automation using MS TFS.
  • Experience with agile development environments and Scrum methodology.
  • Hands-on experience with designing highly secured enterprise-level applications.
  • Design, code, test, debug, and document software solutions using appropriate processes, tools, frameworks, libraries, patterns, best practices and standards.
  • Experience with common design patterns (e.g., DI/IoC, singleton, factories, etc.).
  • Experience designing RESTful Services using WebAPI.
  • SQL Server, T-SQL, SSIS, SSRS, query optimization, data modeling techniques.
  • Experience with Test Driven Development (TDD) in web environment.
  • Experience with Agile/Scrum and Waterfall methodologies using Team Foundation Server (TFS).
  • Skilled at translating business and technical requirements to working code.
  • Strong understanding of UI, cross-browser compatibility, web functions and standards.
  • Ability to plan, schedule and deliver quality software.
  • Excellent verbal and written communication skills required

Preferred Qualifications:

  • Active Directory automation for security groups manipulation
  • Familiarity with CI/CD tools such as MS TFS, Git
  • PMP, PMI-ACP, Scrum Master certification
  • BS/MS in Computer Science or similar engineering program

Security Clearance Requirements:

  • US Citizen
  • Public Trust

Physical Requirements:

  • Sedentary Work
  • Must be able to type

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability. To request an accommodation please click and provide your name and contact information.