Artem K.

I am a Software Engineer with 750+ hours of proven commercial experience on Upwork, specializing in backend development using .NET Framework / .NET Core. My latest long-term project was with a European interactive agency, where I spent nearly a year maintaining legacy code, developing new features, and writing clean documentation for a complex ecosystem. I know how to join an existing codebase fast, understand business logic, and deliver results without micro-management. My Core Technical Stack: Backend: C# .NET Framework / .NET Core, OOP, REST APIs Databases: PostgreSQL, MySQL, MongoDB, Database Design & Optimization Tools & Architecture: Git, Design Patterns, Software Architecture What I can help you with right now: Maintaining, refactoring, and bug-fixing existing .NET / C# applications. Optimizing database queries and structural design. Comprehensive technical documentation and code review. I am analytical, solution-oriented, and available for more than 30 hours per week. Let's hop on a quick call to discuss how I can help your project succeed.