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English
$
USD
I will fix, debug, and optimize your react or nextjs application
Abdul Aziz
5.0
5.0
About this gig
Is your React or Next.js app running slow, showing errors, or breaking after deployment?
I'm Banna, a Senior Frontend Engineer specializing in debugging, performance optimization, and scaling modern web apps.
What I Offer:
- Fix runtime and build errors
- Resolve API or component issues
- Optimize performance and reduce load time
- Upgrade dependencies safely
- Clean refactoring for maintainability
Stack Expertise: React, Next.js, TypeScript, Redux, Tailwind, MUI, Ant Design
Lets make your app stable, fast, and production-ready again!
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 Abdul Aziz
Abdul Aziz
Full Stack, SaaS, AI Automation Engineer
- FromBangladesh
- Member sinceDec 2015
- Avg. response time1 hour
Languages
Bengali, English, Hindi
I’m a Full Stack Software Engineer with 6+ years of professional experience building software across SaaS, fintech, healthcare, and real estate, including enterprise applications for international clients.
I can help you with:
• Custom web applications & SaaS products
• React / Next.js frontend development
• Node.js APIs & backend development
• Dashboards & business management systems
• AI integration into existing applications
• n8n workflow & business automation
• API and third-party integrations
• PWA & responsive web applications
• Bug fixing, new features & performance optimization
Reviews
5 reviews for this Gig
| (5) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
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Most relevant
S sendinghome
United States
Ongoing collaborationPrompt and effiient. Good order.
$50
Price
B 
Seller's Response
Helpful?A agilenewmediapm
United States
Very Cool
$50
Price
B Seller's Response
Helpful?S sendinghome
United States
Ongoing collaborationVery prompt and did a great job. Will use again.
$50
Price
B Seller's Response
Helpful?R 
rtenny
Spain
very impressive work. I am very happy
$50
Price
B Seller's Response
Helpful?K 
kpgritty
United States
Banna does great work and threw in lots of helpful tips too! I totally recommend him, you can't go wrong.
$50
Price
B Seller's Response
Helpful?
Reviews
5 reviews for this Gig
| (5) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
S sendinghome
United States
Ongoing collaborationPrompt and effiient. Good order.
$50
Price
B Seller's Response
Helpful?A agilenewmediapm
United States
Very Cool
$50
Price
B Seller's Response
Helpful?S sendinghome
United States
Ongoing collaborationVery prompt and did a great job. Will use again.
$50
Price
B Seller's Response
Helpful?R rtenny
Spain
very impressive work. I am very happy
$50
Price
B Seller's Response
Helpful?K kpgritty
United States
Banna does great work and threw in lots of helpful tips too! I totally recommend him, you can't go wrong.
$50
Price
B Seller's Response
Helpful?
