Integration / API Tester – Core Banking (T24/Temenos)
Nairobi
Posted 18 March, 2026
Deadline 01 April, 2026
Information TechnologyFull-TimeMid-level(3-5 yrs)
Job Description
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 System Integration Testing (SIT) and pre-User Acceptance Testing (UAT) phases.
Collaborate with developers, business analysts, and vendors.
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.
Proficiency 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 by visiting the Tezza Business Solutions Ltd application portal via the following link: https://www.myjobmag.co.ke/apply-now/1180631
How to Apply
Interested and qualified candidates should apply by visiting the Tezza Business Solutions Ltd application page on their recruitment portal: https://www.myjobmag.co.ke/apply-now/1180631. Follow the instructions on the page to submit your application via catsone.
