Tinkoff

A large commercial bank, ranked among the top three banks in the country. ● Designed and implemented a process to automate debit products, reducing processing time by 30%. ● Implemented integration with internal processes for opening debit cards, improving application processing efficiency by 80%. ● Initiated and implemented improvements to the CI plugin for Gradle, speeding up the build and testing process and reducing errors.

Chegg

An educational IT company that provides online services for US students with an office in California. ● Independently designed and implemented a gateway MVP using Java, Kotlin, and the Spring Framework. ● Created an API for Salesforce via gRPC, customized authentication, and re-implemented legacy logic, improving system performance and scalability by 70%. ● Provided seamless interaction between the frontend and AI, reducing student skill assessment time by half. ● Implemented new approaches to authentication, enhancing system security and reliability.

Sberbank

The top bank in the country and one of the world's leading financial institutions. ● Developed a new data storage service in Java, providing integration with the existing platform. ● Achieved over 90% test coverage for core product functionality. ● Refactored core functionality to account for API usage, reducing code complexity and improving application compatibility.