George Balbackov

About George Balbackov

Detail-oriented QA Manual Engineer with over 6 years of experience in Agile environments. Specializes in manual testing of microservices-based distributed applications, ensuring high-quality user experiences. Proficient in SQL, Postman, and various testing methodologies.

Experience

1. Senior Qa Manual Engineer

   Change Healthcare

   Apr 2022 — Present · Alpharetta, GA, US

   Spearheaded end-to-end manual testing for 3 major product releases, resulting in a 40% reduction in post-release defects.Developed and maintained a comprehensive test case library of over scenarios, improving test coverage by 25%.Enhanced defect detection by 30% through meticulous testing of distributed applications.Utilized Postman for API testing, conducting over 1,500 scheduled tests weekly, leading to a 20% reduction in downtime incidents.Performed rigorous testing on SQL production databases to ensure backend functionality.Reviewed developer code in an Agile environment to ensure adherence to quality standards.Executed manual tests across web, mobile, and desktop platforms, identifying 200+ critical bugs pre-release.Collaborated with cross-functional teams to define and refine product requirements, reducing ambiguity by 35%.Introduced exploratory testing techniques, uncovering 15% more edge case defects.Improved documentation clarity by 30%, enhancing CI/CD processes.Collaborated with offshore and onshore teams in an Agile setting to ensure comprehensive test coverage.

Education

• Moscow State University of Applied Biotechnology

  Bachelor's degree, Applied Biotechnology