Damian
Sempski

Aspiring Software Developer — learning C# and .NET by building web applications, APIs, and database-driven projects. Passionate about writing clean code and creating functional solutions.

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Based in Gniezno, Poland

Open to remote work

Currently available

Starting immediately

About Me

I'm passionate about writing clean, maintainable code and following best practices to build scalable and high-performing applications.

My focus is on backend development—working with APIs, databases, and system design excites me the most. I enjoy tackling challenges, optimizing queries for better performance, and ensuring applications run efficiently.

Outside of Coding

  • ⚽ Playing football
  • ♟️ Competing in chess games
  • 🎥 Watching anime & movies
  • 💰 Exploring cryptocurrencies & the future of tech

Skills

Backend

C# .NET ASP.NET Core MVC ASP.NET Core Web API REST APIs GraphQL APIs

Database

SQL Server / SQL Entity Framework Core

Testing

XUnit TestContainers NSubstitute

Tools

Git Postman Docker

Frontend

HTML CSS JavaScript

Operating Systems

Windows Linux

My Projects