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# Momentum Interface Developer

- **Company:** Guidehouse Inc.
- **Location:** San Antonio, TX, United States
- **Experience:** Expert
- **Salary:** $80,000.0 - $133,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Agile Methodology, JIRA, Unit Testing, Microsoft Azure, Continuous Integration, Middleware, Network Interface Controllers, Github, Design of User Interfaces, JSON, Requirements Traceability, Simple Object Access Protocol (SOAP), Software Engineering, System Testing, Systems Integration, Extensible Markup Language (XML), Enterprise Software Applications, Restful APIs, Devsecops
- **Published:** September 10, 2026
- **Apply:** https://guidehouse.wd1.myworkdayjobs.com/External/job/US---TX-San-Antonio/Momentum-Interface-Developer_43274

## About the Role

* 5+ years of software development experience with enterprise interfaces, integrations, APIs, or middleware

 * Required Momentum Financials/iFAMS experience, including interface development or implementation support

 * Experience translating functional and technical requirements into interface designs, user stories, and working software components

 * Experience with REST, SOAP, XML, JSON, file-based interfaces, message validation, error handling, and interface troubleshooting

 * Experience supporting unit testing, system testing, defect remediation, release deployment, and production support activities

 * Ability to obtain and maintain VA access

 * Experience working in Agile/SAFe environments

 * Experience supporting Federal IT programs preferred

 * Experience supporting enterprise application implementations preferred

 * Experience using Jira, Azure DevOps, Agility, GitHub, or similar tools

 * Strong written and verbal communication skills

 * Experience working with cross-functional technical and business stakeholders

What Would Be Nice To Have:

 * Federal financial management or ERP implementation experience

 * Experience working with Interface Control Documents, Requirements Traceability Matrices, and Agile backlogs

 * Azure, GitHub, DevSecOps, or CI/CD exposure

## Description

Designs, develops, tests, and supports integrations between Momentum Financials/iFAMS and interfacing systems. Builds interface components from approved requirements, user stories, and Interface Control Documents, supports system testing and defect resolution, and updates technical documentation throughout the development lifecycle.


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