Senior C# / .NET Developer for High-Performance Business Applications

I help companies build scalable backend systems, modernize legacy .NET applications, and deliver reliable enterprise software. 10+ years of experience in C#, .NET, architecture, and performance optimization.

Services

Backend Development

Robust APIs and backend systems using .NET, ASP.NET Core, and microservices architecture.

Legacy Modernization

Upgrade .NET Framework applications to modern .NET with improved performance and maintainability.

System Architecture

Design scalable architecture for enterprise systems, SaaS platforms, and high-load applications.

Performance Optimization

Profiling, bottleneck detection, and optimization for high throughput systems.

Database Design

SQL Server, PostgreSQL, Redis. Query optimization and data architecture.

Code Review & Consulting

Improve code quality, architecture decisions, and development processes.

Tech Stack

C#
.NET
ASP.NET Core
Web API
Microservices
Entity Framework
Dapper
SQL Server
PostgreSQL
Redis
RabbitMQ
Azure
Docker
Kubernetes
CI/CD
Clean Architecture

Why Work With Me

I focus on business value, maintainable architecture, and long-term scalability. My experience includes fintech, e-commerce, enterprise systems, and SaaS platforms.

  • Senior-level architecture decisions
  • Clean, maintainable code
  • Performance-first mindset
  • Strong communication
  • Fast onboarding

Availability

✔ Contract / Freelance

✔ Remote

✔ Long-term projects

✔ Architecture consulting

Let's Build Something Great

Tell me about your project and I'll get back to you within 24 hours.

Email: vasil.galinovsky@gmail.com