I'm a C#/.NET developer focused on building backend services and practical web applications.

I enjoy designing REST APIs, working with databases, improving application reliability, and turning business requirements into maintainable software. I'm currently open to Junior and Strong Junior .NET opportunities in Ukraine and remote teams.

• Clean Architecture and SOLID principles
• Dependency Injection and separation of concerns
• Asynchronous programming with async/await
• Unit and integration testing
• Authentication and authorization
• Logging, middleware, caching, and API validation
• Code review and collaborative development

Backend project focused on building a streaming-oriented web application with C# and .NET.

An application for managing workouts and related user data. Demonstrates backend development, domain modelling, and data persistence.

An algorithmic C# project that finds the longest chain of numeric fragments by matching the last two digits of one fragment with the first two digits of another.

Backend practice project focused on .NET development, API design, data access, and structured application development.

• Developing backend functionality with C# and ASP.NET Core
• Designing and maintaining REST APIs
• Working with PostgreSQL, SQL Server, Entity Framework Core, and LINQ
• Implementing authentication, authorization, validation, and error handling
• Using Docker, Git, Redis, and asynchronous programming
• Writing tests and improving code quality through refactoring

• Advanced ASP.NET Core and API architecture
• Database performance and query optimization
• Automated testing and CI/CD
• Cloud deployment and production monitoring
• English communication in international engineering teams

• LinkedIn: Oleh Bondarenko
• Email: emil720apro@gmail.com
• GitHub: @emil720a1

I'm open to discussing .NET backend opportunities, internships, and collaborative software projects.