Senior POS Certification & Payments Testing Engineer (L3 / Girocard Specialist)

Job Locations
IN-TN-Chennai
Job area
Quality & Testing
Employment type
Permanent
Workplace
On-Site
ID
2026-53095

Overview

We are seeking an experienced Senior POS Certification & Payments Testing Engineer with strong expertise in POS transaction testing, L3 certification, and Girocard certification. The ideal candidate will have deep domain knowledge in Cards & Payments, hands-on POS terminal testing experience, and proven experience in full certification workflows across multiple schemes.

Responsibilities

POS Transaction Testing

  • Perform end-to-end testing of POS payment application flows including:

    • Contactless Sale

    • Contact Sale

    • Sale with DCC

    • Sale with Tip

    • MOTO Sale

    • Cash Back

    • Void/Cancel (Last / From Transaction List / With Card)

    • Linked & Unlinked (Naked) Refunds

    • Partial Refund

    • Pre-Authorization / Update / Completion

  • Validate chip, magnetic stripe, contactless (NFC), and fallback transaction flows.

  • Verify EMV processing, PIN entry, CVV validation, timeout scenarios, and reversal handling.

  • Conduct ISO 8583 message validation for authorization, reversal, refund, and settlement via acquirer switch.

  • Perform routing logic validation, BIN configuration testing, and alternate host fallback testing.

Essential skills

POS Transaction Testing

  • Perform end-to-end testing of POS payment application flows including:

    • Contactless Sale

    • Contact Sale

    • Sale with DCC

    • Sale with Tip

    • MOTO Sale

    • Cash Back

    • Void/Cancel (Last / From Transaction List / With Card)

    • Linked & Unlinked (Naked) Refunds

    • Partial Refund

    • Pre-Authorization / Update / Completion

  • Validate chip, magnetic stripe, contactless (NFC), and fallback transaction flows.

  • Verify EMV processing, PIN entry, CVV validation, timeout scenarios, and reversal handling.

  • Conduct ISO 8583 message validation for authorization, reversal, refund, and settlement via acquirer switch.

  • Perform routing logic validation, BIN configuration testing, and alternate host fallback testing.

Desired skills

  • 5+ years of experience in Cards & Payments domain with strong POS focus.

  • Extensive experience in ISO 8583 message validation.

  • Proven experience in full certification workflows (L1 / L2 / L3).

  • Strong knowledge of EMV, NFC, fallback, and PIN-based transactions.

  • Experience in acquiring host and scheme certifications.

  • Strong debugging and log analysis skills.

  • Hands-on experience with POS boarding and configuration processes.

  • Experience coordinating with schemes and acquirer host teams.

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