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Senior Software Engineer, C# .NET

talentarchitect.com

Salary not specified
Dec 31, 2025
Washington, DC, US
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Modernization and ongoing maintenance of critical applications, including systems related to member information and transparency for US Gov't applications.

Requirements

  • Strong hands-on experience with .NET (C-Sharp) application development.
  • Demonstrated experience developing and maintaining GraphQL APIs.
  • Experience working with PostgreSQL and/or Microsoft SQL Server.
  • Experience designing and maintaining data models and schemas.
  • Experience with Agile methodologies, DevOps practices, Docker, and CI/CD pipeline implementations.
  • Experience developing or supporting systems and working with data.
  • Experience with Microsoft Azure cloud technologies.

Responsibilities

  • Participate in the analysis, design, development, and modernization of the US Gov't applications, with an emphasis on backend services.
  • Lead and contribute to the redesign and maintenance of legacy systems, ensuring stability while incrementally modernizing architecture and codebases.
  • Develop, maintain, and enhance backend applications using .NET (C-Sharp), GraphQL APIs, and PostgreSQL and/or MS SQL databases.
  • Design and maintain system data models and schemas, ensuring data integrity and scalability.
  • Serve as a senior technical resource, providing guidance, code reviews, and technical leadership to junior developers.
  • Contribute to CI/CD pipeline development, including build automation, testing, and deployment workflows.
  • Support and troubleshoot containerized environments using Docker and modern DevOps practices.

Other

  • Ability to work independently while collaborating effectively within a team environment.
  • Strong communication skills and experience engaging with non-technical stakeholders.
  • Prior experience working in government or highly regulated environments is helpful.
  • Actively participate in Agile development processes, including standups, sprint planning, backlog refinement, user story development, and retrospectives.
  • Engage directly with stakeholders to gather requirements, clarify priorities, and translate business needs into technical solutions.