Online training service. ● Optimized SQL queries and fixed database bugs, improving execution speed by 50% and enhancing system stability. ● Integrated the AI service built in Python with the main service. ● Enhancement of service interactions, improving data transfer by 10%.

The largest bank in Russia, offering a wide range of financial services and actively implementing innovative technologies, similar to JPMorgan Chase. ● Developed and launched advertising, analytics, survey, quest and authentication services using Golang and microservices, improving reliability and reducing response time by 25%. ● Created a video recording feature using technologies such as Unity/C# and WebGL, enabling high-performance video capture directly in the browser and boosting recording speed by 75%. ● Utilized Swagger to design and document APIs, enhancing usability and development speed. ● Refactored complex SQL queries for better readability and maintainability.

A company specializing in data visualization and gamification, creating digital twins of assets for real-time performance monitoring, similar to Siemens' MindSphere platform. ● Developed a fake data substitution system for a test environment, ensuring data confidentiality and attracting new clients. ● Implemented an object grouping algorithm, improving performance and increasing FPS by 20%. ● Optimized the performance of a scene with 10,000 objects, enhancing rendering speed. ● Created an animated UI and optimized redraws, increasing FPS by 15%. ● Coordinated team interactions and task distribution.

A company specializing in the development of video games, interactive applications, and business solutions, including multimedia and entertainment projects, similar to Telltale Games. ● Developed and implemented game mechanics for several children's games. ● Created a utility for animators, improving animation setup speed by 40%. ● Developed a utility for app localization, speeding up the localization process by 25%. ● Created a library for configuring sound effects, improving sound setup speed by 15%.

● Configured ad integrations and implemented in-app purchases, resulting in a 25% increase in project revenue. ● Developed plugins for social media platforms and integrated third-party libraries and SDKs.

● Developed games for Windows Phone using XNA, configured game physics and AI for a sports simulator, ensuring realistic object movements and virtual player behavior.