API Tester (Credit Card Domain) Toronto, ON (Hybrid) ContractAcestack • Toronto, Ontario, Canada
API Tester (Credit Card Domain) Toronto, ON (Hybrid) Contract
Acestack • Toronto, Ontario, Canada
30+ days ago
Job type
- Full-time
Job descriptionTest APIs related to : Authorizations & settlements Credit card transactions (POS / e-commerce) Payments refunds chargebacks Disputes reversals and interest calculations Validate workflows as per TSYS (Total System Services) platform behavior. Work with TSYS TS2 or similar tools for credit card processing validations. Validate transaction postings clearing records account setup and GL entries. Test TSYS backend processes batch jobs and message flows. Use Postman SOAPUI or similar tools for API testing. Use JSON / XML for payload validations. Execute automated API tests using Postman / Newman or any framework (optional). Log and track defects using JIRA Azure DevOps or similar tools. Collaborate with developers product owners architects and card operations teams. Participate in daily scrum meetings and provide status updates. 8 10 years of QA / testing experience. Mandatory : Strong hands-on experience in the Credit Card domain . Mandatory : Practical experience with TSYS platform / TS2 tools . Strong experience with API functional testing (REST / SOAP). Expertise using Postman SOAPUI Swagger JSON / XML . Solid understanding of credit card lifecycle processes (origination servicing collections). Familiarity with authorization flows ledgering scheme messages and settlement logic. Strong knowledge of SQL for backend validations. Understanding of Agile / Scrum methodologies. Excellent analytical debugging and documentation skills. Experience testing APIs in cloud environments (Azure / AWS). Experience with API automation frameworks (Rest Assured Karate etc.). Experience with transaction monitoring tools or payment gateways.
Job Title : API Tester (Credit Card Domain)
Location : Toronto ON (Hybrid 3 Days / Week Onsite)
Type : Long-Term Contract
Experience : 8 Years
Job Summary : We are seeking an experienced API Tester with deep knowledge of the Credit Card domain and hands-on TSYS platform experience (Issuer / Processor). The ideal candidate will validate APIs across credit card processing transactions ledgering account setup disputes and payment workflows. Strong functional testing API validation and domain expertise in TSYS are essential.
Key Responsibilities :
API Functional Testing
- Design execute and maintain API test cases for REST / SOAP-based services.
- Validate request / response payloads error codes authentication and edge cases.
- Perform functional regression integration and end-to-end API testing.
Credit Card Domain Testing
Card issuance & activation
TSYS Platform Expertise
Tools & Automation
Defect Management & Collaboration
Required Skills & Qualifications
Preferred Qualifications
Key Skills
Graduate Engineering,Corporate Risk Management,Adobe Photoshop,Big Data,Clinical,Asic
Employment Type : Full Time
Experience : years
Vacancy : 1
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