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Georgi G.
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Georgi G.

Senior .NET Backend Engineer | FinTech | ASP.NET Core

I build high-performance .NET backend systems and REST APIs for SaaS and web applications. Senior .NET Backend Developer with 10+ years of experience specializing in ASP.NET Core, scalable APIs, and microservices architecture. I help startups and companies build reliable backend infrastructure that is fast, maintainable, and ready to scale as the product grows. What I can help you with: โœ” REST API development with ASP.NET Core โœ” Microservices architecture โœ” Backend systems for SaaS platforms โœ” Database design and performance optimization (SQL Server) โœ” Integration with third-party APIs and external services โœ” Improving performance and reliability of existing systems Tech stack: C#, .NET, ASP.NET Core, Web API, Entity Framework, SQL Server, MySQL, REST APIs, Microservices, Git I can join an existing team or build backend systems from scratch. If you need a reliable .NET backend developer focused on performance, clean architecture, and long-term scalability โ€” feel free to reach out.

๐Ÿ‡ง๐Ÿ‡ฌVarna, Bulgaria$10/hr100% JSSSince Mar 2026
MRR
$842
๐ŸŒ#54.3K/363K
๐Ÿ‡ง๐Ÿ‡ฌ#130/998
Recent Earnings
$5,050
๐ŸŒ#54.3K/363K
๐Ÿ‡ง๐Ÿ‡ฌ#130/998
Total Earnings
$5,050
๐ŸŒ#235K/363K
๐Ÿ‡ง๐Ÿ‡ฌ#695/998
Avg. Per Project
$5,050
๐ŸŒ#32.0K/363K
๐Ÿ‡ง๐Ÿ‡ฌ#102/998
Recent Projects
1
0f1h
๐ŸŒ#320K/363K
๐Ÿ‡ง๐Ÿ‡ฌ#917/998
Total Projects
1
0f1h
๐ŸŒ#320K/363K
๐Ÿ‡ง๐Ÿ‡ฌ#917/998
MRR Performance Over Time
$50k$25k$0
6 mo ago3 mo agoNow
Coming SoonGathering historical data
World Skill Rankings
of 173
#34
Database OptimizationTop 19%
#62RabbitMQ
#172Entity Framework
#196ASP.NET Web API
#292Database Design
#301Microservice
#332ASP.NET Core
#401Microsoft SQL Server
#505.NET Core
#635Back-End Development
#760REST API
#1,142C#
#1,444MongoDB
#1,718MySQL
#3,141API Integration
๐Ÿ‡ง๐Ÿ‡ฌBulgaria Skill Rankings
of 6
#1
ASP.NET CoreTop <0.01%
#1Entity Framework
#1Database Optimization
#1ASP.NET Web API
#1Microsoft SQL Server
#2.NET Core
#2Microservice
#2RabbitMQ
#2Database Design
#3REST API
#4Back-End Development
#5C#
#5MongoDB
#6MySQL
#9API Integration
Georgi G. โ€” Top 13% in Bulgaria | UpworkMRR