● Owned QA for mission-critical releases, ensuring 100% stability and platform compliance in live environments. ● Data-Driven Quality Assurance: Utilized SQL to validate complex data structures and analyze the impact of system changes on user engagement and conversion metrics. ● Payment & Integration Management: Managed end-to-end registration and validation of digital products and payment flows on Google Play Console and App Store Connect. ● Release Engineering: Managed deployment pipelines and environment configurations using TeamCity, GitHub, and VS Code, collaborating with engineering teams on release readiness. ● Requirements Analysis: Actively participated in the product development lifecycle by reviewing acceptance criteria, clarifying requirements, and identifying potential risks early in the design phase. ● Cross-Functional Collaboration: Simultaneously supported multiple product streams, managing complex logic validation and tailoring QA strategies to specific release cycles. ● Quality Assurance: Executed regression, smoke, UAT, and functional testing to maintain long-term stability in live environments.

● Executed rigorous functional and regression test plans for mobile titles in fast-paced, deadline-driven environments across multiple builds, ensuring consistent quality before release milestones. ● Used SQL for targeted data validation. ● Logged defect reports in JIRA with clear reproduction steps.

● Built and maintained strong customer relationships in a high-traffic retail environment. ● Managed inventory, daily orders, and basic accounting responsibilities. ● Developed strong organizational, multitasking, and communication skills.

● Tutored students worldwide to improve their English language skills. ● Designed learning materials tailored to individual goals. ● Worked with diverse age groups and cultural backgrounds.