- Owned and supported technical stability of a live mobile game throughout the entire employment period, continuously working on performance, crash rate, ANR reduction, and production issues - Owned QA activities for features from requirements phase to production release - Actively participated in long-term development and release of a DLC / remote content delivery system, fundamentally changing the project’s technical architecture - Contributed to reduction in release frequency by enabling content delivery over the air - Improved application performance and size through continuous quality control - Validated analytics events using Firebase, BigQuery, and AppsFlyer, writing SQL queries to ensure data integrity and correctness of product and monetization metrics - Performed in-game content testing: visuals, UI, and level design validation - Tested internal in-game editor (separate tool with custom logic and UI) - Conducted ads, monetization, and payments testing - Led QA release activities: Created test plans Managed release timelines and QA activities Coordinated QA, automation, and performance testing tasks Collaborated with multiple teams contributing to the same release - I worked as part of a team to introduce AI-driven QA workflows, contributing to the design and implementation of new approaches to test documentation and knowledge management. As part of this initiative, we designed AI-based test documentation processes, built a feature knowledge base, and created templates and prompts for test case generation. As a result, up to 80% of test cases were created with AI support, significantly reducing documentation time and improving consistency. - Mentored QA engineers, including full onboarding and support during 3-month probation periods - Occasionally distributed QA workload within the team - Worked in cross-functional Scrum teams (Devs, Backend, PM/DM, PO, TechOps, Tech Artists)

1) Контроль качества разрабатываемых продуктов 2) Создание тест-кейсов и тест-планов. 3) Документирование найденных дефектов. 4) Анализ результатов тестирования. 5) Контроль процесса ликвидации дефектов.