**Job Title:** API Tester (Postman Expert) **Location:** Hybrid – Vienna, VA (Onsite 3 days/week) **Client & Project:** Navy Federal Credit Union – Core Banking Modernization **Team:** Data & AI **About the Client & Project** Join the **Data & AI team** supporting the **Core Banking Modernization** initiative for **Navy Federal Credit Union** , a premier financial institution dedicated to serving members of the military and their families. This program focuses on transitioning from legacy banking systems to a modern, cloud-native platform. **Role Overview** We are looking for an experienced **API Tester** to ensure high-quality delivery of API solutions. The ideal candidate will play a hands-on role in test planning, execution, and automation within a CI/CD environment, collaborating across API and mainframe teams to facilitate seamless modernization. **Key Responsibilities** + Design and execute test plans, test cases, and automated API tests using **Azure DevOps** + Perform API testing using **Postman** and **SoapUI** (build test collections, manage tokens, write scripts) + Interpret and test API schemas (YAML files), ensuring all dependencies are covered + Support CI/CD pipeline integration for automated testing + Collaborate with cross-functional teams to align requirements, conduct user story validation, and support customer acceptance testing + Work with tools such as **SwaggerHub** , **GitHub** , and **Azure DevOps** + Coordinate migration efforts from legacy APIs to the new modernized platform **Must-Have Skills** + Strong hands-on experience with **Postman** (writing test scripts, managing tokens, etc.) + Proficiency in **API schema interpretation** (YAML) + Experience with **SoapUI** , **SwaggerHub** , and **GitHub** + Familiarity with **CI/CD pipelines** and **Azure DevOps** + Experience with automated API testing strategies **Work Arrangement** + **Hybrid** – Must be onsite in **Vienna, VA** **3 days per week** ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.