• Implemented numerous new user features, enhancing user experience by 20% and increasing overall engagement through intuitive design and functionality improvements for 3 client products built with React, used by over 10,000 employees.• Improved the overall stability and performance of the applications by 15% through enhanced code quality and reduced user-reported issues, ensuring stable operation for delivery service managers across Russia.• Reduced maintenance time by 40% for developers by refactoring legacy code and improving the overall architecture.

• Designed and developed an MVP application for cloud processing of ground-penetrating radar geophysical data with a 3D module to attract investments, using React, Redux, Three.js, Node.js, Minio, Postgres, and a proprietary data processing library, which helped to attract more than 10 million rubles in grant investments.• Increased data processing efficiency by 25% and the informativeness of results by 100% through developing unique mathematical algorithms and a proprietary library for numerical processing of ground-penetrating radar data, using C++ and optimized computational techniques.• Led a cross-functional team that developed and maintained 3 web applications, resulting in a 40% increase in the client base and successfully attracting major investors.

• Designed and developed an MVP for an information and trading platform for selling industrial waste, incorporating an auction mechanism using Django and Postgres, which increased customer traffic by 25% and improved user engagement on the platform.