I will fix backend bugs, crashes, and performance issues

S
sonali194
S
sonali194
Sonali gupta
fix backend bugs, crashes, and performance issues
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fix backend bugs, crashes, and performance issues

About this gig

Are you facing backend bugs, crashes, or unexpected server behavior?

I can help you debug and fix issues quickly and cleanly.

What I can do:

Fix backend bugs in C / Go

Debug API / gRPC / file upload issues

Resolve crashes, memory issues, and logic errors

Improve performance & stability

Explain the fix clearly

Why choose me:

  • Real production debugging experience
  • Clean & reliable fixes (no hacks)
  • Fast response & clear communication

Message me before ordering so I can review the issue.

  • Programming language

    • Go

Get to know Sonali gupta

Sonali gupta

Cybersecurity Focused Full Stack Web Developer

  • FromIndia
  • Member sinceDec 2025

  • Languages

    Hindi, English
Hi, I’m Sonali 👋 I’m a Cybersecurity-focused Full Stack Web Developer with hands-on experience in building secure, scalable web applications. I specialize in: • Secure React & Next.js frontends • Node.js & Express backends • JWT authentication & role-based access • Secure file uploads & API protection • MongoDB integration & data validation • OWASP security best practices I focus on writing clean, maintainable code while ensuring strong security and data protection at every layer of the application.

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