Senior Test Engineer
Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 11, 2026.
Role: QA/UAT Analyst - Digital Wallet & Contactless Payments
Domain: Credit Cards / Payments
Key Platforms: Apple Pay, Google Pay, Visa & Mastercard
Experience: 4-8 years in Cards/Payments QA, UAT or Authorization Testing
Role Overview
We are looking for an experienced Credit Card QA/UAT professional to support implementation and testing of Apple Pay, Google Pay and NFC/contactless Tap & Pay capabilities for Visa and Mastercard credit cards. The candidate should have strong hands-on expertise in credit-card authorization systems, payment/network simulators, digital wallet/tokenized transactions, ISO 8583 and EMV/contactless message validation.
Key Responsibilities
Perform end-to-end testing of Apple Pay and Google Pay credit-card transactions.
Validate card provisioning to mobile wallets, including successful/failed provisioning, card eligibility and activation-related scenarios.
Test tokenized transactions, including device-token-based authorization and relevant transaction identifiers/cryptographic data.
Execute NFC/contactless Tap & Pay transactions across Visa and Mastercard.
Validate authorization flows covering approvals, declines, reversals, timeouts, duplicate transactions, refunds and exception scenarios.
Use payment/network simulators to generate authorization requests and simulate different transaction and response conditions.
Analyse ISO 8583 authorization request/response messages, including key fields such as DE2, DE3, DE4, DE22, DE39, DE41, DE42 and DE55/EMV data.
Validate differences between physical-card contactless and tokenized mobile-wallet transactions.
Perform positive, negative, integration, regression and end-to-end UAT.
Analyse transaction logs and troubleshoot issues across the wallet/tokenization layer, payment network, switch and issuer authorization system.
Prepare test scenarios/cases, raise defects with supporting logs/message details, perform ret