Role – Payment Test Engineer
Location – St. Louis, MO (On-site)
Contract & FTE
Roles and Responsibilities:
· Experienced Tester with 5 to 8 years of experience in the payments industry and with T3 hands on.
· Perform end-to-end testing of payment transaction processing applications using T3 tools.
· Design, develop, and execute manual and automated test cases for payment authorization, clearing, settlement, and related transaction flows.
· Analyze and validate ISO 8583 message formats, transaction routing, and authorization responses.
· Develop and maintain automation frameworks and test scripts for regression and functional testing.
· Execute testing in Unix/Linux environments, including log analysis and troubleshooting.
· Validate application functionality across multiple payment networks and transaction types.
· Collaborate with developers, business analysts, and support teams to identify and resolve defects.
· Participate in requirement reviews and provide test effort estimates.
· Perform root cause analysis of production issues and verify fixes through regression testing.
· Create and maintain test plans, test cases, test data, and test execution reports.
· Support Production validation activities.
· Knowledge of C, C++, and scripting languages.