Position Overview
We are seeking a detail-oriented QA Analyst to support the testing and validation of integrated transaction and payment platforms. This role focuses on ensuring seamless functionality across APIs, third-party integrations, payment systems, and customer-facing applications. The ideal candidate will have hands-on experience testing payment workflows, transaction processing, and complex integrated environments.
Responsibilities
- Develop and execute test cases, test plans, and test scripts.
- Perform functional, integration, regression, system, and end-to-end testing.
- Validate API requests and responses using Postman.
- Review payloads, response codes, and system behavior to ensure functionality meets requirements.
- Test integrations between multiple applications, services, and third-party platforms.
- Identify, document, and track defects through resolution.
- Validate transaction flows and data movement across systems.
- Collaborate with developers and stakeholders to troubleshoot issues and verify fixes.
- Support release testing, UAT activities, and production validation.
- Ensure application reliability, security, and data integrity.
Required Qualifications
- 3+ years of experience in QA Testing, Software Testing, or Test Analysis.
- Strong hands-on experience with Postman, API Testing, request routing, response validation, and test execution.
- Experience testing payment processing systems, payment gateways, payment portals, online payment solutions, banking applications, merchant services, or card-based platforms.
- Experience working with credit card, debit card, ACH, transaction processing, digital payments, or banking systems.
- Knowledge of PCI-DSS standards and payment security best practices.
- Experience creating and executing test cases, test scripts, and defect reports.
- Experience with integration, regression, system, and end-to-end testing.
- Experience working in organizations such as Fiserv, FIS, Global Payments, PayPal, Stripe, Adyen, Marqeta, Galileo, NCR, Transcard, or similar payment and fintech environments.
- Strong analytical, troubleshooting, and communication skills.
What You Will Learn
- Enterprise-scale payment platform testing.
- End-to-end transaction lifecycle validation.
- Advanced API testing and integration testing techniques.
- Payment security and compliance best practices.
- Testing strategies for highly integrated, mission-critical platforms.
GCS is acting as an Employment Business in relation to this vacancy.