Jr Java Full Stack Software Engineer

MATRIX SYSTEMS & TECHNOLOGIES INC•Washington , DC
•$70,000 - $95,000

About The Position

Matrix Systems and Technology, Inc. (MSTi) seeks a Junior Java Full Stack Software Engineer with fewer than four years of relevant experience. The role contributes to application development and support while working with experienced team members. Candidates must have a current Public Trust Clearance; IRS experience and a current MBI clearance are preferred. MSTi, established in 1996, provides IT and engineering services to federal, state and local government and commercial clients. Its work includes software testing and quality assurance, project management, requirements analysis, implementation support and IT staff augmentation.

Requirements

  • Fewer than four years of relevant software engineering experience.
  • Hands-on Java full stack experience through employment, internships or substantial projects.
  • Familiarity with front-end web technologies, backend services and APIs.
  • Exposure to AWS, MongoDB and Amazon Aurora/RDS.
  • Ability to explain technical work, learn from feedback and collaborate with a team.
  • Current Public Trust Clearance.

Nice To Haves

  • IRS experience.
  • Current MBI clearance.

Responsibilities

  • Develop and maintain Java application features under technical guidance.
  • Assist with web interfaces, backend services and API integration.
  • Write and execute tests and help resolve application defects.
  • Support database queries and application data access.
  • Participate in code reviews and maintain technical documentation.
  • Contribute to development activities involving AWS, MongoDB and Amazon Aurora/RDS.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service