I’ve completed my studies on this on platform Yandex Practicum.- Analysis and visualization of the accessibility of the Yandex Routes service using the design technique test- Cross-browser testing of the Yandex Routes web application using DevTools and Charles was carried out, requests were intercepted and replaced to create the desired server response, test documentation was designed for some of the service's functions (checklists, test cases, etc.)- Creating bug reports in YandexTracker, YouTrack systems- Testing the Yandex Metro mobile app in Android Studio emulators, checking for app updates- Testing the REST API by sending GET, POST, PUT and DELETE requests via Postman and Swagger of the Yandex Stall service, working with JSON and XML formats- Working with databases, SQL queries in PostgreSQL, working with ConsoleWork in the GIS TOR KND project (a system for automating the processes of control and supervisory activities, a web application for employees of control and supervisory authorities). The work tasks directly included:- Manual testing of the system (functional testing of implemented modules and processes, UI testing of the system)- Bug detection-Direct interaction with system developers on issues of defect elimination- Performing system administration tasks, solving user problems at the administration level, setting up processes- Participation in acceptance tests of new system functionality