· Worked in Yandex Billing Systems which is responsible for financial tasks of the company · Increased test coverage of the project by ∼5%. · Designed and developed auto-generation of integration tests based on the configuration of service. · Saved developer time by 4-8 hours to integrate new services by providing Allure reports. · Added a Plus bonus system for Yandex.Games and enabled payments with bonuses. · Implemented an interface to analyze the payouts and visualized the payments in a user-friendly format.

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I mentored and prepared high school students from 7 to 11th grades for National and International Olympiads in Informatics. My task was to prepare problems, give lectures on algorithms and data structures, and mentoring students. As result, my students won medals in both Junior and higher grades.

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· Implemented per-instance monitoring service for 50+ servers through WebSocket and HTTP. · Optimized service by ∼60% using asynchronous I/O and distributed tasks. · Significantly improved server error detection time by showing real-time metrics on Flask server.

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