Sergei Alimov

• Developed backend components (providers, modules, services, controllers, entities, GraphQL resolvers, event handlers, libraries) • Worked on Auth, Cache lis, and Monorepo setup • Boosted Node.js and Nest.js performance • Directed PostgreSQL to TiDB migration, utilized Rust for data improvement • Led Elasticsearch to TiDB shift, solving data issues • Efficiently managed databases, cutting redundancy by 45% and speeding up queries • Improved AWS S3 lib and integrated Google Cloud Storage and Drive APIs

• Developed a full test environment and administered Linux server. • Deployed Docker containers and set up CI/CD in Gitlab. • Managed MongoDB with advanced dump logic. • Implemented 80+ E2E tests. • Ensured and delivered key app features.

• Successfully completed a Java EE internship. • Ensured and delivered key app features. • Developed automated tests using Java.