Integration / API Tester – Core Banking (T24/Temenos)

The Integration/API Tester is responsible for validating integrations between the core banking system (T24/Temenos) and surrounding systems such as mobile banking, internet banking, payment gateways, and third-party services. The role ensures seamless, secure, and accurate data exchange across all integrated platforms.

Key Responsibilities

• Design and execute integration and API test cases for T24 interfaces.
• Validate APIs supporting channels such as mobile banking, agency banking, and internet banking.
• Perform end-to-end testing of transactions across systems.
• Validate ISO 8583 / ISO 20022 message formats where applicable.
• Test integrations with payment switches, middleware, and third-party systems.
• Analyze API documentation and derive comprehensive test scenarios.
• Perform data validation between T24 and interfacing systems.
• Identify, log, and track defects.
• Support SIT and pre-UAT phases.
• Collaborate with developers, business analysts, and vendors.

Key Requirements

• Bachelor’s degree in IT, Computer Science, or a related field.
• 3–6 years’ experience in API/Integration testing within banking systems.
• Hands-on experience with T24/Temenos integrations.
• Strong understanding of REST/SOAP APIs.
• Experience with Postman or SoapUI.
• Knowledge of JSON, XML, and message validation.
• Understanding of banking transaction flows.
• Basic SQL skills.

How to Apply

Interested and qualified candidates should apply online via the Tezza Business Solutions application portal: Apply to Tezza Business Solutions which redirects to the official application platform at tezzasolutions.catsone.com.