YURI KAN

Leading quality assurance for a cutting-edge AI platform processing millions of transactions. Built comprehensive testing frameworks for non-deterministic AI systems and payment integrations.

• LLM output testing, prompt injection validation, and safety metrics
• Testing 140+ payment provider integrations (cards, crypto, regional methods)
• Implemented Grafana monitoring, reducing MTTR by 60%
• Led team of 3 senior QA engineers, established best practices and documentation

Automated testing for Web3 gaming platform with millions of active users. Focus on performance, NFT security, and payment flows.

• Built robust Playwright framework for critical gaming systems
• API testing for real-time betting, tournaments, and championship
• Load testing with K6 for 50K+ concurrent users
• Reduced critical bug escape rate by 85% through comprehensive test coverage

Testing CarPlay and Android Auto integrations for leading navigation app with 150M+ users. Managed release testing and partner integrations.

• Automotive testing CarPlay/Android Auto, certification checklists
• Cross-functional QA for partner integrations (Spotify, Pandora)
• Built Xcode test suite for iOS regression testing
• Localization testing for 56 languages and regional navigation features

Automated testing for multichannel sales engagement platform processing 50M+ emails monthly. Focus on billing systems and CI/CD implementation.

• Built Cypress automation framework reducing regression time by 70%
• ChargeBee billing integration testing for subscription models
• Implemented CI/CD pipeline with TeamCity and Octopus Deploy
• API automation using Postman/Newman with 500+ test cases

End-to-end testing of premium dating mobile app. Built automation suite and quality assurance processes.

• Java/Selenium automation for iOS and Android apps
• Monetization testing and Amplitude analytics
• Reduced production incidents by 60% through proactive testing