Browse categories
Explore
Fiverr Pro
English
$
USD
I will debug, fix and optimize your react,node or laravel application
Kisal Nelaka
About this gig
Staring at a broken server, a white screen of death, or a failing API?
Code breaks and previous developers leave messes behind. With 8+ years of Full-Stack engineering experience and a BSc in Cybersecurity, I quickly dive into broken codebases, diagnose the root cause, and deploy clean, secure fixes.
What I Fix:
- React / Next.js: State management (Redux/Context), hydration errors, and UI/UX glitches.
- Node.js / Nest.js: Broken REST/GraphQL APIs, webhook misfires, and background task errors.
- Laravel / PHP: Legacy refactoring, slow database queries, and security vulnerabilities.
- Server / DevOps: Docker container issues, Linux deployments, and CI/CD blocks.
Why Hire Me:
- Security-First: My cybersecurity background ensures patches won't open backdoors.
- Enterprise Experience: I build multi-tenant SaaS platforms and understand complex architectures.
- Clean Code: Maintainable, well-commented fixes so you don't have to hire someone else later.
Message me with a brief description or a screenshot of your error log before placing an order!
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 Kisal Nelaka
Kisal Nelaka
Higher the quality,Higher the satisfaction!!
- FromSri Lanka
- Member sinceSep 2016
- Avg. response time1 hour
Languages
English
Full-Stack & Mobile Engineer with 8+ years of experience building high-performance web platforms, microservices, and mobile applications. I specialize in React, Node.js, Nest.js, Laravel, and Flutter, backed by a BSc (Hons) in Cybersecurity & Digital Forensics.
Whether you need quick bug fixes, complex API integrations, database optimization, or full multi-tenant SaaS architecture, I deliver secure, clean, and production-ready code.
Drop me a message, and let’s get your project running smoothly!
FAQ
What do you need from me to get started?
A clear description of the issue, screenshots or error logs, and access to the codebase (via Git repository, zip file, or staging server access).
Why should I message you before placing an order?
Every bug is unique. Messaging first lets me inspect the error, confirm whether it qualifies for the Basic, Standard, or Custom tier, and ensure I can deliver the solution within your expected timeframe.
Is my code and data safe with you?
Yes. Your intellectual property, database credentials, and server information are handled with strict confidentiality and deleted from local environments once the order is finalized.
What if the bug is more complex than expected?
If troubleshooting reveals a deeper architectural issue or an underlying dependency breakdown, I will pause, explain the root cause clearly, and discuss an adjusted scope or custom offer before proceeding.
Do you test the fix before delivery?
Absolutely. Every fix is tested locally to ensure the bug is resolved without introducing regressions or breaking adjacent features.
Can you deploy the fix directly to my live server?
Yes. I can push code directly to your Git repository, staging environment, or production server (Docker, Linux VPS, AWS, etc.) upon request.
