Marcin Hassenpflug
Software Developer | .NET Programmer
Hi! 10+ years in IT. I create custom software solutions by combining my passion for coding with experience gained on international projects. My goal is to turn ideas into scalable, efficient and intuitive systems that realistically support business.
Take a look at my projects, see how I can help your business grow with modern technology solutions.
About Me
Over the past decade, I've built my career in the IT industry – starting as an IT specialist in a large international corporation and growing into a professional .NET developer. Through various challenges and projects, I've learned how to solve real business problems using modern technologies.
My mission is to create innovative solutions that not only meet market needs but also exceed client expectations. I value:
- Professionalism: I approach every project with precision and dedication.
- Creativity: I seek effective, out-of-the-box solutions.
- Transparency: I maintain open communication throughout every stage of cooperation.
What sets me apart? My extensive experience, team-oriented mindset, and constant desire to grow. These qualities help me deliver software that’s precisely tailored to the unique needs and context of each business.

Projects
Newsletter
FREEdotNetLetter
A weekly newsletter dedicated to the C# and .NET ecosystem, providing carefully curated content for software developers.
dotnetletter.com →Saas
FREEjestTrening
SaaS application for organizing and managing gaming signups, automating want lists and offering tools for organizers.
start soon →mobile app
FREEwaterApp
A water-drinking monitoring app that uses mobile device technology to monitor and control the body's hydration levels
start soon →Skills
C#
In-depth knowledge of C# and programming patterns.
.NET Core
Building scalable and secure applications.
EF Core
Efficient data handling and relationship mapping.
MySQL
Optimized queries and data integrity across systems.
MSSQL
Advanced features and performance tuning.
PostgreSQL
Open-source DBMS with robust capabilities.
Angular
Building dynamic and responsive interfaces.
TypeScript
Strong typing for large-scale applications.
JavaScript
Dynamic scripting and interactivity for modern web apps.
HTML5
Modern layouts
CSS3
Smooth styling.
Docker
Containerized apps for scalability and portability.
Git
Efficient version control and team collaboration.
Contact
I will be happy to establish cooperation. Contact me!