QA Engineer (Payment Gateway)

About the role

We are seeking a QA Automation Test Engineer to join RDC Partner and work with our US‑based fintech partner. The role focuses on end‑to‑end testing of a payment gateway, including API testing, automation, transaction flow verification, and certification processes.

Key responsibilities

• Perform comprehensive testing of payment gateway APIs and transaction flows.
• Develop and maintain automated test suites using Python and related frameworks.
• Execute certification scripts, track findings, and ensure closure.
• Validate transaction and settlement data via SQL queries.
• Document certification evidence and maintain traceability.

Required profile

• 3–5 years of QA/test engineering experience, with at least 2 years on payment gateways, acquiring platforms, POS software or terminal integrations.
• Hands‑on experience with API testing tools such as Postman, REST Assured, pytest or similar.
• Strong understanding of card transaction lifecycles, ISO 8583 messaging, and PCI DSS testing requirements.
• Excellent written and spoken English and ability to work remotely with asynchronous communication.
• Availability for at least four hours overlap with US Eastern Time.

Required skills

• Python
• SQL
• Postman
• REST Assured
• pytest (or similar testing framework)
• JSON payload handling
• PCI DSS compliance knowledge