Professional development
with .NET

Explore Services

What I Offer

Professional .NET services to help your business succeed

.Net development
Need a custom web or desktop application? Modernize your existing codebase? Add this one new feature without too much hustle? Migrate to cloud?
  • Custom .net features and API development
  • Migration to .NET 10
  • Application security and vulnerability assessment
CMS development
Need custom modules? New widgets to be used on your website? Security updates and patches? Migrate to other CMS or hosting provider, like Azure?
  • Kentico
  • Xperience by Kentico
  • Contentful
Workshops & Training
Practical workshops to help your team learn modern .NET development practices
  • Modern .NET 10 practices
  • Clean code and architecture patterns
  • Performance optimization techniques
Code Analysis
Thorough code reviews to identify issues and plan improvements
  • Security vulnerability assessment
  • Performance bottleneck identification
  • Code quality recommendations

Ready to Improve Your .NET Applications?

Let's discuss how I can help make your software better.

Schedule Consultation

About Me

I'm Marcin, experienced .NET developer passionate about helping businesses build better software

Picture of Marcin, a developer and a visionary.

Marcin Średziński

.NET Developer & Consultant

I'm a passionate .NET developer with years of experience helping businesses improve their applications. I specialize in code analysis, performance optimization, and teaching modern development practices.

C# .NET 10 Azure Performance Code Quality Xperience by Kentico Contentful
9+
Enterprise Projects Supported
7+
Years of Experience
2137+
Problems Solved
100%
Commitment

Skills & Certifications

Continuous learning and professional development

.NET Expertise

Core & Framework

Azure

Practical Experience

Xperience by Kentico

Passed certification in July 2025

Clean Code

Best Practices

Let's Work Together

Ready to discuss your .NET project? Let's schedule a consultation and see how I can help.

Quick Response

I respond to all inquiries within 48 hours, usually much sooner.

Free Consultation
Book a free 30-minute consultation to discuss your .NET project
Schedule Free Consultation
  • Project discussion
  • Professional advice
  • No commitment required