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Fiverr Pro
English
$
USD
I will fix your java, typescript, javascript or HTML bug fast
Gualberto S
About this gig
Are you stuck with a bug that is breaking your application? Spending hours staring at the screen without finding the solution?
Stop wasting your time. With over 20 years of experience as a Senior Backend Developer (Java, Typescript) and IT Professor, I can spot and fix logic, compilation, or deployment errors in a fraction of the time it takes an average developer.
What I can fix for you today:
- Backend: Java (Spring Boot), Node.js, Express.
- Frontend & Web: TypeScript, JavaScript, HTML, CSS, Tailwind.
- Integration: API errors, CORS issues, database connection failures.
- Logic Errors: Infinite loops, variable scoping, and unhandled exceptions.
Why choose me? As a programming professor, I don't just fix the bug and disappear. I will briefly explain what caused the issue so you can learn from it and avoid it in the future.
Send me a message with your error log or a description of the problem before ordering so I can confirm it's fixable within your deadline!
Get to know Gualberto S
Gualberto S
Always improving
- FromSpain
- Member sinceSep 2018
- Last delivery2 years
Languages
English, Spanish, Catalan
Senior Software Architect | Functional Analyst | AI Professor
With 20+ years of experience in Backend Development (Java), Project Management, and Tech Education, I help businesses and developers build robust, scalable, and well-documented software. My background includes leading complex functional analyses and teaching the next generation of AI and programming experts.
High-quality standards, senior-level insights, and zero fluff.
Other Software Development Services I Offer
FAQ
1. What if my bug is more complex than the Basic package covers?
If I start investigating and realize the issue requires extensive architectural changes rather than a simple fix, I will stop and inform you immediately. We can then upgrade to the Standard or Premium package, or I can cancel the order so you don't lose your money. No surprises.
2. Do I have to share my entire codebase with you?
Not necessarily. If you can isolate the bug in a specific file or a minimal reproducible example, that is perfect. If not, you can invite me to your Git repository (GitHub/GitLab) or send a compressed .zip file. Strict confidentiality is always maintained.
3. Will you explain what was wrong and how you fixed it?
Absolutely. My goal is not just to patch the code, but to make sure you understand the root cause. I will always include a brief, clear explanation of the solution so you can avoid the same error in the future.
4. Can we jump on a Zoom call to fix it live?
This Gig is designed for asynchronous delivery to guarantee fast turnaround times. However, if you prefer live pair-programming or need real-time mentoring to unblock your project, please message me first and I will send you a Custom Offer for a 30-minute consultation.
