Senior VistA MUMPS Developer (Remote Opportunity)

We are currently looking for a Senior MUMPS Developer for a 100% remote position supporting a large federal healthcare initiative with the Department of Veterans Affairs (VA). This role focuses on modernizing testing practices within the VistA ecosystem by designing and building a scalable, automated unit testing framework (M-Unit) for MUMPS-based applications. The ideal candidate brings deep expertise in MUMPS and VistA, along with experience developing testing frameworks, developer tooling, and CI/CD-integrated automation solutions within complex environments. The candidate must reside within the continental US. Responsibilities: Design, develop, and enhance a MUMPS-based unit testing framework to support VistA application development and validation. Build and maintain automated infrastructure for deploying fully patched, containerized VistA EHR environments and M-Unit testing toolkits. Develop repeatable processes to initialize, configure, and validate InterSystems IRIS/MUMPS environments across development and testing lifecycles. Collaborate with MUMPS developers to ensure compatibility with VistA standards, routines, and operational requirements. Develop and maintain a Visual Studio Code extension (TypeScript) to support test execution, results visualization, and code coverage navigation. Implement features such as test discovery, execution status indicators, output rendering, and integration with local and remote test runners. Build and maintain a C#/.NET-based test runner for Linux environments, supporting command-line and API-driven execution. Integrate testing capabilities into CI/CD pipelines (GitHub Actions, Jenkins) to enable automated test execution, reporting, and coverage tracking. Enhance and extend custom testing and code coverage capabilities within legacy MUMPS systems. Develop APIs, scripts, and tooling to support integration across systems and environments. Troubleshoot issues across application, infrastructure, container, and CI/CD pipeline layers. Contribute to documentation including build processes, testing standards, and developer guidance. Support integration with applications hosted on the InterSystems IRIS for Health platform. Contribute to team objectives and take on additional responsibilities as needed. Requirements: Bachelor’s degree in Computer Science, Information Technology, or a related field. 5–10+ years of hands-on MUMPS development experience, including strong familiarity with VistA architecture and conventions. Experience designing or contributing to unit testing frameworks, code coverage tools, or developer tooling. Strong proficiency in TypeScript, particularly for building extensions, automation tools, or developer-facing applications. Experience with C#/.NET for backend services, CLI tools, or automation utilities. Solid understanding of Linux environments, shell scripting, and command-line workflows. Hands-on experience with CI/CD platforms such as GitHub Actions or Jenkins. Experience designing and implementing automated build, test, and deployment pipelines. Experience with Docker and containerized application workflows. Experience working in containerized Linux environments and reproducible infrastructure patterns. Strong understanding of unit testing principles, methodologies, and automation strategies. Strong debugging skills across application, OS, CI/CD, and container layers. Experience integrating systems through APIs, scripts, or custom tooling. U.S. citizenship and ability to obtain and maintain a Public Trust clearance. Additional Qualifications: Experience with InterSystems IRIS, ObjectScript, or IRIS for Health platforms. Prior experience supporting VistA or other federal healthcare systems. Familiarity with MUMPS-based testing frameworks or legacy system modernization efforts. Experience building developer productivity tools or IDE extensions. Exposure to AI-assisted development tools for testing and automation. Benefits: Medical/Dental/Vision. 401k with Employer Match. PTO + Federal Holidays. Corporate Laptop. Training Opportunities. Remote Opportunity. Note: Selected candidates will be required to complete fingerprinting at a government facility and undergo a background check as part of the hiring process. VetsEZ is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability, or protected veteran status. Sorry, we are unable to offer sponsorship at this time. Apply To This Job