My name is Dominik and I come from Poland. I am an experienced .NET Developer with over 4 years of professional experience designing, developing, and maintaining microservices, desktop applications and backend systems. Skilled in C#, SQL, domain driven design and distributed systems, with hands-on expertise in AWS, EF Core, Infrastructure as code and Minimal API development. I put great focus on creating and developing software according to the principles of quality code. I enjoy facing new challenges in the IT world. In my leisure time, I like to run, learn foreign languages, play games and watch cult movies.
Software Developer (October 2025 - Current):
Junior Software Developer (October 2024 - October 2025):
- Designed and developed high-performance microservices using C# for payment processing systems that handled large transaction volumes across thousands of customer accounts.
- Leveraged technologies such as AWS, Docker, EF Core, and MassTransit to build scalable, distributed backend services and ensure reliable system operation.
- Implemented robust testing, validation, and security practices using xUnit for automated test coverage, FluentValidation for data integrity, and JWT/OAuth 2.0 for secure, standards-based authentication.
.Net Developer (October 2021 - September 2024):
I used various technologies such as .NET, SQL, MSI installer, NSIS, and worked with some APIs. I worked with many different drivers, such as ODBC, Excel, OLEDB.
- Designed and developed internal desktop tools in C# using WPF for log analysis, data manipulation, and data processing across multiple devices and data formats.
- Implemented and maintained a desktop application and API-based service that scheduled and synchronized various processes, ensuring reliability and smooth cooperation between systems.
- Communicated with customers, planned new features, and managed production releases.
Feel free to reach out if you have any questions, collaboration opportunities, or just want to chat about common topics!

