For two years I was part of a team that developed and maintained a web and two mobile applications for a non-profit organization.I was in charge of daily testing of new features, bugs. I was in daily contact with developers and other team members. I participated in regression and smoke testing. I also created and maintained a Cypress test in JavaScript. I was responsible for maintaining test cases in TestRail. I also tested two mobile applications - Android. Last half year I was part of analytical meetings with clients. I also created some analytical reports for clients from testing. Key words: Jira, Cypress, GitLab, TestRail, Android Studio, Vysor, AWS, Postman.