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$
USD
I will fix bugs, debug ai generated code, solve problems in next js, react, node js, db
Abu Bakar
Level 2
5.0
5.0
About this gig
Frustrated by bugs, AI code errors, or slow apps?
Is your React, Next JS, TypeScript, Node, or database project crashing or not working right?
Youre in the right place.
Im a full stack dev who specializes in fixing, debugging, and optimizing modern web apps from UI to backend APIs & databases.
I can help you:
- Fix bugs in Next JS, React, TypeScript, JavaScript, Tailwind
- Debug Node JS, Express APIs & backend issues
- Solve problems in AI generated code (ChatGPT, Copilot)
- Fix Redux / Context state bugs
- Optimize performance, clean messy code
- Make sites fully responsive & cross-browser
- Improve Next JS SEO
- Debug DB issues in MongoDB, PostgreSQL, Supabase, Neon DB
- Refactor for long-term maintainability
Tech stack:
- Frontend: Next JS, React, TS, JS, Tailwind, Redux
- Backend: Node, Express
- Databases: MongoDB, PostgreSQL, Supabase, Neon DB
Why me?
- Focused on YOUR problems, not generic work
- Fix AI code issues cleanly with TypeScript
- Clear comments & maintainable code
- Fast, reliable, affordable
Common fixes:
- App crashes after updates
- AI code fails in prod
- State or DB errors
- Tailwind not mobile-friendly
- Weak SEO in Next JS
Lets turn your buggy app into a high-performance product!
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 Abu Bakar
Abu Bakar
Full Stack Dev, SaaS, AI, POS, CRM, ERP and E Commerce Solutions
Level 2
- FromPakistan
- Member sinceFeb 2025
- Avg. response time2 hours
- Last delivery2 days
Languages
Urdu, Pashto, English, Hindi, Italian, German, French, Arabic
Elite Full-Stack & AI SaaS Developer
I build high-performance web apps, AI-powered SaaS platforms, and scalable business systems (CRM, ERP, dashboards) tailored to real-world needs. Specialized in Next.js, React, Node.js, PostgreSQL, MongoDB, Supabase, Firebase, and Convex, with advanced AI integrations (OpenAI, Google AI, Perplexity, Anthropic).
I focus on clean architecture, secure API development, cloud deployment, and SEO, AEO, GEO optimization to deliver fast, reliable, and production-ready solutions. From Figma to full-stack systems, I turn complex ideas into scalable digital products.
My Portfolio
FAQ
🔹 Do you fix AI generated code errors?
✅ Yes! I specialize in debugging issues from ChatGPT, Copilot or similar. I’ll clean & rewrite messy sections for reliable production use.
🔹 Can you fix backend (Node, Express, DB) problems too?
✅ Absolutely. I work with Node JS, Express, and databases like MongoDB, PostgreSQL, Supabase & Neon DB.
🔹 Will you refactor my existing messy code?
✅ Yes. I can clean, restructure, and comment your code so it’s easier to maintain and scale.
🔹 Is my project safe?
✅ 100%. I treat your code with strict confidentiality and never reuse or share it.
🔹 Should I contact you before ordering?
✅ Always! It helps us align on the exact problem, avoid surprises, and give you a fair quote.
🔹 Do you provide urgent delivery?
✅ Yes, depending on complexity. Message me for a custom offer.
Reviews
9 reviews for this Gig
| (9) | ||
| (0) | ||
| (0) | ||
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| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
N nuumath
Repeat Client
United States
Abu took the time to actually understand my platform before touching a single line of code. That alone made him different. He wasn’t even my first choice but after I told him that he still offered a second opinion if I needed other eyes. That’s character. He delivered Phase 1 clean, on time, with a Loom...
$100-$200
Price
1 day
Duration
W 
Seller's Response
Helpful?N nuumath
Repeat Client
United States
Abu is someone who really works with you to get it right. He takes his time to make sure everything is clear and the next steps make sense. He gives real input, not just yes answers — and most importantly, he makes what you have better. What I respect most is he understands long-term relationships. He’s...
$200-$400
Price
3 days
Duration
W Seller's Response
Helpful?G grahamjones365
Repeat Client
United Kingdom
Had a good experience and even asked to start another project
$100-$200
Price
4 weeks
Duration
W Seller's Response
Helpful?P paypallovealway
Canada
great job amazing!
$50-$100
Price
1 day
Duration
Helpful?R rcoradea
Repeat Client
Romania
Very quick responses and he did what he said he will. Also he documents everything so that way it is all transparent. I will start another project with him asap.
$100-$200
Price
2 days
Duration
W Seller's Response
Helpful?
Reviews
9 reviews for this Gig
| (9) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
N nuumath
Repeat Client
United States
Abu took the time to actually understand my platform before touching a single line of code. That alone made him different. He wasn’t even my first choice but after I told him that he still offered a second opinion if I needed other eyes. That’s character. He delivered Phase 1 clean, on time, with a Loom...
$100-$200
Price
1 day
Duration
W Seller's Response
Helpful?N nuumath
Repeat Client
United States
Abu is someone who really works with you to get it right. He takes his time to make sure everything is clear and the next steps make sense. He gives real input, not just yes answers — and most importantly, he makes what you have better. What I respect most is he understands long-term relationships. He’s...
$200-$400
Price
3 days
Duration
W Seller's Response
Helpful?G grahamjones365
Repeat Client
United Kingdom
Had a good experience and even asked to start another project
$100-$200
Price
4 weeks
Duration
W Seller's Response
Helpful?P paypallovealway
Canada
great job amazing!
$50-$100
Price
1 day
Duration
Helpful?R rcoradea
Repeat Client
Romania
Very quick responses and he did what he said he will. Also he documents everything so that way it is all transparent. I will start another project with him asap.
$100-$200
Price
2 days
Duration
W Seller's Response
Helpful?
