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
2026-51054

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.

Qualifications

  • Strong hands-on experience in building and implementing automation frameworks.

  • Programming expertise in:

    • Java

    • Python

    • JavaScript

    • HTML

  • Experience with Playwright for automation.

  • Strong debugging skills (scripts, logs, transaction traces).

  • Proven experience in payment certification processes (L1, L2, L3).

  • Deep understanding of POS transaction flows and EMV standards.

  • Experience working with multiple card schemes and payment terminals.

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.

Options

Sorry the Share function is not working properly at this moment. Please refresh the page and try again later.
Share to social media

Can't find the job of your choice?
Upload your C.V. / Resume here for our recruiters to view.