Developed and optimized backend logic for healthcare microservices. Implemented improvements and bug fixes, and optimized inter-microservice communication mechanisms.Tech stack: Golang, Google Cloud Spanner, gRPC, protobuf, GitHub, OpenAPI.Experience working in Agile/Scrum processes using Linear: sprint planning, task decomposition, estimation, and progress tracking.

Developed and optimized backend functionality for data management, filtering, search and pagination. Fixed existing business logic issues and extended admin panel functionality with new features. Optimized database performance, improving overall database response time by approximately 20%.Tech stack: Golang, MySQL, GORM, REST API, SQL, API design, Clean Architecture, Git, GitLab, Postman, Swagger.Experience working in Agile/Scrum environments using Jira: sprint planning, task decomposition, estimation, and progress tracking.

Backend development for an e-commerce platform focused on pet products.Developed REST API functionality for product catalog, users and shopping cart. Implemented authentication and authorization, database interaction and business logic using a layered architecture.

Tech stack: Go, Gin, PostgreSQL, GORM, JWT, REST API, SQL, Clean Architecture.