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guicardoso18

Guilherme C

@guicardoso18

Backend Developer API and Bug Fixing

Brazilië
Engels, Portugees
Sommige informatie wordt in het Engels weergegeven.
Over mij
I am a backend developer focused on fixing bugs and improving web systems. I help clients solve real problems such as: - Fixing API issues - Debugging backend errors - Resolving system bugs - Improving performance and stability I work with C#, ASP.NET, REST APIs, JavaScript, and SQL. I focus on understanding the problem quickly and delivering clean, reliable solutions. If your system is not working as expected, I can help.... Lees meer

Skills

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guicardoso18
Guilherme C
offline • 

Bekijk mijn diensten

Websites op maat
I will fix bugs in your API or backend system
VanafUS$ 80 / projectMeer informatie

Werkervaring

Freelancer.com

Freelance Backend Developer

Freelancer.com • ZZP

Apr 2026 - Present • 1 mo

- Developed and improved backend systems using C# and ASP.NET Core - Built and integrated REST APIs for web applications - Fixed bugs and resolved issues in existing systems - Improved system performance and code structure - Worked with databases and handled data flow between services