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Fiverr Pro
English
$
USD
I will fix bugs, errors and issues in react js, next js and node js
Hasnain
About this gig
I'm a MERN stack / Next.js developer. I'll help you with any bug, error, or issue in your website or web app.
This includes:
- Fix React.js / Next.js console errors and crashes
- Fix Node.js / Express backend and API issues
- Fix broken UI, layout, and responsiveness problems
- Fix form submission and validation bugs
- Fix payment integration errors (Stripe, etc.)
- Fix slow-loading or performance issues
- Fix cross-browser compatibility problems
- Any other bug in your custom-built website
Why work with me:
- 2+ years hands-on experience with MERN stack, Next.js, TypeScript, Vue.js, Electron
- Clear communication, fast turnaround
- I don't just patch bugs I explain the root cause so it doesn't come back
Please message me first with your issue or site URL before ordering, so I can confirm scope and give you an accurate timeline.
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 Hasnain
Hasnain
Professional Full Stack Developer MERN Stack and Custom Websites
- FromPakistan
- Member sinceFeb 2025
- Avg. response time1 hour
Languages
Urdu, English
Hello! I’m a passionate Full Stack Web Developer with expertise in creating modern, responsive, and dynamic websites and web applications. I specialize in the MERN stack (MongoDB, Express.js, React.js, Node.js) and have hands-on experience with frontend technologies like HTML, CSS, JavaScript, Tailwind CSS, and Bootstrap. My goal is to provide high-quality web solutions that not only look great but also perform flawlessly across all devices and platforms.
With years of experience in web development, I understand that every business or individual has unique requirements. That’s why I focus on
FAQ
Q: What info do you need to start?
Your website URL (or code access), a description of the bug, and screenshots/console errors if available.
Q: Do you fix WordPress or PHP sites too?
My main focus is React/Next.js/Node.js, but message me your issue — I can often help with JS-based WordPress issues too.
Q: What if the bug takes longer than expected?
I'll always discuss scope with you first. If it turns out to be bigger than planned, I'll let you know before continuing so there are no surprises.
Q: Can you also improve performance, not just fix bugs?
Yes — the Premium package includes a performance and responsiveness check along with bug fixes.
