Hiring Backend & OMS QA Automation Engineer

Job Description – Backend & OMS QA Automation Engineer (Payment Domain)

Experience: 5–7 Years Location: Chennai / Pune (Hybrid) or Remote Employment Type: Haparz Payroll Notice Period: Immediate Joiners Only

We are looking for an experienced Backend & OMS QA Automation Engineer with strong expertise in eCommerce Order Management Systems (OMS/MAO) and payment domain testing. The ideal candidate should have hands-on experience validating payment gateways, end-to-end order lifecycle workflows, backend integrations, and automation frameworks.

Key Responsibilities

Design and execute automation test cases for backend applications and Order Management Systems.

Validate end-to-end eCommerce order lifecycle, from order creation through fulfillment, shipment, and returns.

Perform testing of payment gateways, payment processors, and transaction workflows.

Validate integrations between OMS, payment systems, inventory, fulfillment, and other eCommerce platforms.

Develop and maintain automation scripts using Python.

Create and execute SQL queries for backend data validation.

Identify, report, and track defects while collaborating with development and product teams.

Ensure high-quality releases through regression, integration, API, and backend validation testing.

Required Skills & Experience

5–7 years of Quality Engineering / QA Automation experience.

Hands-on experience with MAO (Manhattan Active Omni) or any Order Management System (OMS).

Strong experience validating eCommerce payment gateways and payment processors.

Experience testing the complete order lifecycle in an eCommerce environment.

Strong understanding of backend integrations across the eCommerce ecosystem.

Experience automating end-to-end order lifecycle validation.

Good knowledge of SQL for database validation.

Hands-on programming experience with Python.

Work Location: Remote