Performance Test Engineer – SFCC

What we do :

GMG is a global well-being company retailing, distributing and manufacturing a portfolio of leading international and home-grown brands across sport, everyday goods, health and beauty, properties and logistics sectors. Under the ownership and management of the Baker family for over 45 years, GMG is a valued partner of choice for the world's most successful and respected brands in the well-being sector. Working across the Middle East, North Africa, and Asia, GMG has introduced more than 120 brands across 12 countries. These include notable home-grown brands such as Sun & Sand Sports, Dropkick, Supercare Pharmacy, Farm Fresh, Klassic, and international brands like Nike, Columbia, Converse, Timberland, Vans, Mama Sita's, and McCain.

What will you do :

The Performance Test Engineer is responsible for ensuring the scalability, reliability, and efficiency of Salesforce Commerce Cloud (SFCC) eCommerce applications. The role involves planning and executing performance, load, and stress testing while collaborating with cross-functional teams to identify and resolve bottlenecks. The engineer will also support functional and integration testing for Cart, Checkout, OMS, and POS flows to ensure seamless user experiences across digital channels.

Responsibilities :

• Collaborate with Product Owners and Business stakeholders to define Non-Functional Requirements (NFRs).
• Design, develop, and execute performance, load, stress, and scalability tests using JMeter, BlazeMeter, LoadRunner, or NeoLoad.
• Monitor and analyze performance using Grafana, InfluxDB, New Relic, or Dynatrace.
• Identify and troubleshoot performance bottlenecks across API and web layers.
• Partner with DevOps and engineering teams to tune application performance and optimize infrastructure.
• Conduct functional, UI, and API testing across SFCC environments.
• Execute and validate SFCC promotions, campaigns, cart, and checkout flows.
• Perform end-to-end testing across OMS and POS integrations.
• Manage test cases and defects using JIRA; validate APIs via Postman.
• Ensure alignment with SDLC and STLC best practices.
• Support regression, compatibility, and cross-browser testing for web and mobile platforms.
• Communicate performance findings and QA insights to stakeholders.

Functional / Technical Competencies :

Qualification & Experience :