3-6 years in quality assurance or software testing, preferably in backend-heavy platforms or e-commerce.Experience in REST APIs, JSON structures, and real-world API debugging.Experience with Redis, MySQL/MongoDB, and caching strategies.Experience in backend logs, server responses, and database-level impacts.Experience in manual test case writing focused on edge-case coverage, data flow, and backend consistency.Experience in web applications work behind the scenes — including load balancing, session management, data caching, and DB queries.Experience in owning the quality strategy for complex modules such as order processing, payment integrations, coupon logic, and warehouse flows.Experience in e-commerce workflows (orders, cart, checkout, coupon logic).