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guicardoso18

Guilherme C

@guicardoso18

Backend Developer API and Bug Fixing

Brasile
Inglese, Portoghese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
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.... Continua a leggere

Competenze

g
guicardoso18
Guilherme C
offline • 

Consulta i miei servizi

Siti web personalizzati
I will fix bugs in your API or backend system
A partire da80 USD / progettoMaggiori dettagli

Esperienza lavorativa

Freelancer.com

Freelance Backend Developer

Freelancer.com • Lavoratore autonomo

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