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- Oversaw all aspects of software testing, from writing and executing automation tests (Cucumber, Espresso, Selenium, etc.) to manual testing, release planning, and maintenance. Contributed significantly to raising the app rating from 4.0 to 4.4 for Android and from 4.3 to 4.6 for iOS. Additionally, our team achieved an increase in crash-free sessions to 99.8% and reduced network errors on Loggly from 10% to less than 0.2%.- Defined acceptance criteria and Definition of Done (DoD) with senior Product Owner, in charge of preparation for new features execution.- Collaborate with the Customer Support team to validate reported bugs, collect relevant data for reproduction, reduce time and increase efficiency by 18%.- Investigate product quality to make improvements aimed at achieving better customer satisfaction through diverse tracking systems such as Newrelic, Crashlytics, Loggly, and others.- Coordinated communication between Developers, Product Owner, Scrum Master, and Designer to ensure quality assurance before implementation.- Make a significant contribution to improving product quality. Planday then secured €35M ($41.M) in series C investment.

- Being the first member of the SDKs testing team. The main role is to Write and maintain Junit and integration tests for Samsung SDKs: SPen, SNote, SHealth, and Knox, and others.- Perform and maintain manual, automation test cases for Samsung's mobile devices.- Onsite Android application performance analyst at Suwon, South Korea- Play a pivotal role in new staff training and drive the expansion of the unit and integration testing teams, scaling up from a team of 10 members to nearly a hundred in 2015.