Hi, I'm Dmytro Yefimushkin β a backend specialist focused on building clean, scalable, and performant systems with C# (.NET Core) and Java (Spring Boot).
- π§ Backend Expert in .NET & Spring Boot
- π§° Skilled in REST APIs, SQL/NoSQL, Docker, Microservices
- π Focused on Clean Architecture, Security, and Testing
- βοΈ Experience with AWS, Azure, CI/CD pipelines
- π§ͺ TDD / Integration Tests / API Versioning
- π― Passionate about writing maintainable code and solving real problems
Languages:
C#
| Java
| SQL
| Bash
Frameworks & Tools:
.NET 6/7
| Spring Boot
| Entity Framework
| JPA/Hibernate
| AutoMapper
| Docker
| RabbitMQ
| Swagger
Databases:
PostgreSQL
| SQL Server
| MongoDB
| Redis
DevOps:
GitHub Actions
| Docker
| AWS Lambda
| Azure App Services
-
dotnet-clean-architecture-api
RESTful API built with .NET 7, EF Core, CQRS, and JWT Authentication. -
springboot-ecommerce-api
Full-featured Java Spring Boot API for products, users, and Stripe integration. -
file-upload-processor
Async file upload backend with FFmpeg, S3, and background job workers.
π§βπ» Always building. Always learning.