QA Engineer

Worked in the Admin Infrastructure team to ensure quality for two complex web applications, Admin Game Control and Support, used by multiple game studios to manage game features, content, settings, and operational parameters for products including Coin Master, Travel Town, Family Island, and Zen Match.

Performed exploratory, manual, and automated testing across releases. Developed and maintained Playwright and TypeScript end-to-end tests covering UI, APIs, and business logic; validated production builds; performed release testing; and supported stable deployments.

Collaborated with developers and the Product Owner during planning and refinement to improve requirements, identify edge cases, and ensure testability. Maintained test cases, automation suites, and QA documentation in TestRail and Testomat.io, while using Cursor and GitHub Copilot for test development, refactoring, debugging, and scenario creation.

Reduced the release cycle from three days to 30 minutes by optimizing CI/CD and delivery flow, reduced production defects by 85%, and increased automated test coverage from 22% to 87%.

Founded and launched a humanitarian fundraising initiative supporting vulnerable groups, including families, children, and animal shelters.

Designed the fundraising platform, user flows, operational processes, and reporting mechanisms to improve donor experience and transparency. Coordinated procurement, logistics, distribution, reporting, volunteers, and suppliers.

Raised more than 3 million UAH in humanitarian aid and coordinated support for more than 10 vulnerable groups. Built a transparent reporting system that increased donor trust and retention.

Tested three products within a mobile advertising ecosystem: interactive third-party playable ads, a web application for campaign management, and the corporate website.

Validated user flows, game logic, ad behavior, SDK integrations, and iOS and Android compatibility for mobile game playable ads. Performed functional, regression, smoke, integration, and cross-platform testing across multiple releases.

Tested advertising-platform functionality for campaign management, targeting, creatives, and configurations, and validated website features, integrations, and user experience. Created and maintained test cases and checklists in TestRail.

Reduced ad-delivery defects by 25% and improved TestRail coverage to 90%.

Managed branded projects from concept through delivery, including proposals, budgets, timelines, production coordination, post-production, client communication, and acceptance.

Coordinated production, post-production, and client teams to deliver large-scale campaigns on schedule and within budget. Worked with premium clients including Jeep and Renault.

Delivered more than 10 large-scale campaigns and generated repeat business that supported long-term client partnerships.

Prepared sponsorship proposals and partnership packages for enterprise and consumer brands. Managed cross-functional coordination among teams, vendors, and stakeholders while maintaining delivery timelines and operational processes.

Built more than five high-value sponsorship partnerships with Visa, VBet, Danone, Borjomi, and Jägermeister. Coordinated delivery of more than 20 brand initiatives across sponsorship, marketing, operations, and events.