Senior VistA MUMPS Developer

Role Overview

• 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.

Tech Stack

• Docker
• Jenkins
• Linux
• Shell Scripting
• TypeScript
• .NET

Benefits

• Medical/Dental/Vision.
• 401k with Employer Match.
• PTO + Federal Holidays.
• Corporate Laptop.
• Training Opportunities.
• Remote Opportunity.