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DENYS KOZYR
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Profile
QA Engineer with 5+ years of experience testing web and mobile applications across logistics, healthcare,
insurance, and iGaming industries. Proven expertise in building QA processes from scratch, mentoring
teams, and ensuring product quality through comprehensive manual testing. Strong knowledge of SDLC,
Agile methodologies, and cross-platform testing (Android/iOS). Known for problem-solving, attention to detail,
and driving continuous product improvement.

Core Skills
• Testing: Functional, Regression, Usability, Smoke, Compatibility
• Tools: JIRA, Confluence, TestRail, Postman, Figma, DBeaver, BrowserStack
• Monitoring: Grafana, Kibana, Mouseflow, Datadog, Log Analysis
• Agile: Scrum, Kanban, QA Process Setup, Documentation
• Soft Skills: Team Leadership, Mentorship, Conflict Resolution
• Languages: Ukrainian & Russian – Fluent | English – Intermediate (B1–B2, improving)

Experience
Spribe – QA Engineer (May 2022 – Present)
• Delivered high-quality testing for iGaming platforms serving global operators.
• Created and maintained test documentation, increasing test coverage by 30%.
• Collaborated with developers on complex issues, reducing production bugs by 20%.
• Tested fraud management dashboards, identifying critical issues before release.

NDA Company – QA Engineer / Team Lead (Nov 2020 – May 2022)
• Led QA for healthcare portals (patient scheduling, notifications, treatment management).
• Improved insurance claim workflows for a U.S. client, reducing approval errors and delays.
• Decreased bug leakage by 15% through process optimizations and improved coverage.
• Reviewed and mentored junior QA engineers, conducting performance evaluations.

Driveroo – QA Engineer (May 2019 – Nov 2020)
• Performed comprehensive testing of web and mobile applications across Android/iOS platforms.
• Reduced regression testing time by 25% by optimizing test cases and introducing structured smoke tests.
• Suggested usability and functionality enhancements, boosting product satisfaction and adoption.
• Mentored junior QA engineers, improving onboarding efficiency and overall team performance.

Education
Master of Law – Kharkiv National University of Internal Affairs (2011 – 2017)

Additional Information
• Focused on continuous growth and exploring QA automation to expand expertise.
• Committed to delivering high-quality solutions and driving team success.