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Ulyana Melnikava
Qa Engineer @Social Discovery Group
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WORK HISTORY
Qa Engineer @Social Discovery Group
Warsaw, PL
Project: Dating.com - a global dating platform with 875K+ MAU, featuring real-time chat and payment systems across 70+ countries- Designed and maintained test cases, scenarios, and checklists for regression, smoke, and integration testing of the dating platform (875K+ MAU), achieving 95% coverage of critical scenarios (matchmaking, messenger, API auth) via Requirements Traceability Matrix (RTM) and reducing post-release defects- Performed API testing in Postman for live chat and user authentication endpoints, identifying 150+ critical issues (race conditions, authbypasses) within six months- Executed SQL queries (MySQL, Redis CRUD) to validate payment flows and session data, and analyzed logs in Kibana to detect and diagnose backend errors- Identified and documented outdated or broken automated tests, using Jira and Confluence for reporting and blocking in Jenkins CI, preventing false failures and improving CI/CD cycle stability; initiated new automation tasks- Reduced production defects from 12% to 5% by developing backend validation checklists for HTTP, cookies, and caching in dating flows (based on analysis of 500+ tickets, API requests, database, and WebSocket data).
ABOUT ULYANA MELNIKAVA
QA Engineer with 5+ years of manual testing experience across e-commerce, gambling…
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