I will fix software bugs, code errors and technical troubleshooting

B
bilalbelli452
B
bilalbelli452
Belli
fix software bugs, code errors and technical troubleshooting
fix software bugs, code errors and technical troubleshooting
Full Screen
Full Screen
Full Screen
fix software bugs, code errors and technical troubleshootingfix software bugs, code errors and technical troubleshootingfix software bugs, code errors and technical troubleshootingfix software bugs, code errors and technical troubleshooting

About this gig

Is a broken script, server error, or frustrating bug disrupting your software or web app? I deliver fast, dependable, and clean code corrections to get your system back on track.

With years of professional software development experience, I specialize in root-cause analysis, deep-code debugging, and performance optimization across multiple languages and frameworks. I don't just apply temporary "band-aid" patchesI locate the underlying flaw and refactor the code so the issue stays fixed.


What I Can Fix:

  • Frontend UI layout breaks, responsiveness, and JavaScript crashes
  • Backend logic bugs, API integration failures, and database queries
  • Server errors (500, 404, CORS errors, authentication failures)
  • Performance bottlenecks, memory leaks, and slow load times


Why Choose My Services? Having worked on enterprise-grade software and complex applications, I understand production stability. I follow clean code practices, maintain strict data security, and ensure zero disruption to your existing features.


Stop losing users to technical glitches. Pick a tier to get your bugs resolved today!

--

bilalbelli.eu

  • Platform

    • Custom
Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

Get to know Belli

Belli

Programmer , Software Engineer

  • FromFrance
  • Member sinceDec 2021
  • Avg. response time1 hour

  • Languages

    English, French, Arabic, Spanish
TLDR: Check reviews ! :) portfolio: bilalbelli.eu 👈 I’m an experienced Software Engineer (with diploma) and Developer (not a vibe coder ! i understand and i can do everything) specializing in Python, Java, Javascript, Typescript, and modern Web technologies (Angular, Spring Boot, Node.js, Flask, Wordpress, Bootstrap, Next.js, Electron.js), and I also provide tutoring and mentoring in programming and computer science topics. I hold a strong Computer Science background, with solid experience in software development, backend & frontend engineering, machine learning and applied problem-solving.

My Portfolio

Related tags