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Senior Software Engineer - Contingent

Aretum

Salary not specified
Dec 24, 2025
McLean, VA, US
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Aretum is seeking to solve the technical challenges of its clients across defense, civilian, and homeland security sectors by delivering innovative, technology-enabled solutions.

Requirements

  • Building applications with .NET (C-Sharp).
  • Experience developing and maintaining GraphQL APIs.
  • Experience working with Postgres and/or MSSQL databases.
  • Experience building/maintaining system data models/schemas.
  • Experience with Agile methodologies, DevOps, Docker (Containers), and CI/CD pipeline implementations.
  • Experience with Microsoft Azure cloud technologies.
  • Experience with MEAN stack (MongoDB, Express, Angular, Node.js) and React.js.

Responsibilities

  • Actively participate in the analysis, design, and development of various modernization efforts.
  • Assist with all aspects of the Agile development: gather requirements, lead/participate in standup meetings, write user stories, create tasks, develop code, review backlogs, and work on assigned tasks.
  • Assist developers and lead development efforts with building, maintaining, and enhancing websites and web applications using .NET (C-Sharp), Postgres, GraphQL and optionally the MEAN stack.
  • Contribute to CI/CD pipeline development and deployment processes.
  • Support containerization strategies and troubleshoot deployment issues.
  • Plan and implement unit testing into the code and development life cycle.
  • Assist/Review load tests to identify bottlenecks and latency issues.

Other

  • Bachelor’s degree.
  • Must have at least five years of relevant experience.
  • Travel may be required based on project needs, client meetings, team collaboration events, or training sessions.
  • Applicants must be currently authorized to work in the United States on a full-time basis.
  • Must be able to handle Controlled Unclassified Information (CUI) and adhere to applicable safeguarding and compliance requirements.