Implemented microservices for new features, enhancing sales and marketing capabilities. Reached the top 10 contributors to the main application, the company's primary product. Mentored new employees during their probation period, assisting them in getting familiar with the codebase, processes, tools, and culture of the company. Optimized the performance of numerous APIs, reducing their average latency by 80%. Contributed to the creation of Ruby gems, used as internal libraries across engineering teams. Resolved technical debts and Sentry issues, helping reduce the codebase by 5%, CI usage by 10%, and Sentry error rate by 15%.

- Implemented microservices to introduce new features, enhancing sales and marketing efforts. - Mentored new employees during their probation period to familiarize them with the company's codebase, processes, tools, and culture. - Optimized API performance, reducing average latency by 80%. - Contributed to the development of Ruby gems, used as an internal library by cross-engineering teams. - Resolved technical debts and addressed Sentry issues.

Implemented an image processing engine in the core product, which contributed to an increase in sales in the Japanese market. Optimized the performance of the matching engine, which resulted in a reduction of latency by approximately 30%. Collaborated with the Project Manager and team members to discuss requirements and conduct in-depth market research, leading to a 15% increase in the customer base. Automated various testing processes using automated tests, saving 20 hours per week for the testing team.