Federal HR/Payroll Software Development & Integration

This contract involves providing software development and system enhancement services for the federal ePayroll platform. The work includes integration with Office of Personnel Management (OPM) and Internal Revenue Service (IRS) systems, development of RESTful APIs, and managing change processes within the platform. The technical environment primarily utilizes .NET, Oracle/SQL databases, and Git for version control. Designated as a subcontract under a HUBZone set-aside, this opportunity is posted by the General Services Administration’s Office of Internal Acquisition. The work is to be performed in Washington, D.C., with a focus on the NAICS code 541511, which pertains to custom computer programming services. Proposals are due by June 5, 2026, and the contract emphasizes compliance with federal security and integration standards to support efficient payroll and human resource operations.