System Integration Test Engineer

Job Summary

We are seeking a detail-oriented Digital Banking QA Engineer (SIT Tester) with 3–6 years of experience in the banking or fintech domain , specifically in testing digital channels and integrations such as internet banking, mobile banking, payment gateways, and core banking systems.

The ideal candidate will have a strong functional understanding of digital banking workflows , hands-on experience in System Integration Testing (SIT) , and expertise in API and UI validation . You will be responsible for ensuring seamless functionality, secure data flow, and smooth integration across multiple digital platforms and backend systems.

Key Responsibilities

• Perform System Integration Testing (SIT) for digital banking modules and applications, validating end-to-end interactions across systems such as Mobile Banking , Internet Banking , Payments , LMS / CBS , and third-party integrations (UPI, BBPS, AEPS, KYC, etc.).
• Review business and functional requirements (BRDs / FRDs) to design comprehensive SIT test cases and scenarios covering full digital customer journeys.
• Conduct functional and integration testing for features such as customer onboarding, KYC, account management, fund transfers, bill payments, e-statements, and service requests.
• Execute API testing using tools like Postman , validating endpoints for authentication, transaction flows, headers, status codes, payloads, and error handling.
• Validate data integrity across UI, middleware, and backend layers, ensuring accuracy in customer data, transaction details, and account updates.
• Identify, log, and track integration and functional defects , providing detailed reproduction steps and collaborating closely with developers for resolution.
• Test integrations with external systems such as payment gateways, NPCI services (UPI, IMPS, NEFT, RTGS), CKYC, PAN, GSTN, and credit bureau APIs.
• Ensure compliance with RBI digital banking guidelines , data protection standards, and internal security policies in all validated workflows.
• Maintain all test artifacts , including test cases, execution results, defect logs, and requirement traceability matrices.
• Support test data preparation , environment setup, and configuration of digital banking products and customer scenarios.
• Work closely with business analysts, product owners, and developers to understand business logic, clarify requirements, and align on expected outcomes.
• Participate actively in daily stand-ups, sprint reviews, and defect triage meetings , providing regular SIT progress and issue updates.

Required Skills & Experience