I will build ai powered nodejs backends and web apps


À propos de ce service
With 10+ years of experience, I build fast, secure, and scalable Node.js applications using Express and MongoDB, from a single REST endpoint to a full production backend. I also work comfortably with AI-assisted code from Claude, Cursor, Replit and similar tools, so if part of your app was AI-generated, I can clean it up, connect it to a real database, and deploy it properly.
What I Offer
- Custom REST API Development (Node.js + Express)
- Database Design & Integration (MongoDB, MySQL)
- Authentication & Authorization (JWT, OAuth)
- AI Feature Integration (OpenAI, Claude, Gemini APIs) for chatbots, smart search or automation
- Fixing & Extending AI-Generated Code (Claude, Cursor, Replit)
- Bug Fixes & Performance Optimization
- Third Party API Integrations
- Clean, Documented, Production Ready Code
- Mobile App Development (React Native, Flutter) on Request
What You Get
- Direct Communication & Fast Response
- Well Structured, Scalable Code
- 1 Month FREE Post Launch Support
- Fast, Reliable, & Scalable Solutions
Message me before ordering if you have a custom requirement, and let's build something reliable together.
Découvrez Uzair A
Productivity in Blood
- DePakistan
- Membre depuisjanv. 2018
- Temps de réponse moy.1 heure
- Dernière commande1 mois
Langues
Anglais
Mon portfolio
Autres services de Développement IA I Offre
FAQ
Do you work with existing codebases?
Yes, I can review, debug, and extend your existing Node.js or Express project.
Can you build REST APIs with authentication?
Yes, JWT, OAuth, and session based authentication are all covered.
Which database do you use?
MongoDB is my primary choice, but I also work with MySQL and PostgreSQL as needed.
Do you provide post delivery support?
Yes, every package includes 1 month of free post launch bug fix support.
34 avis concernant ce service
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Détails de la notation
- Niveau de communication avec le freelance
- Qualité de la livraison
- Valeur de la livraison
Trier par
W waseemch2

Pakistan
Great experience working with the seller again. This is my second time working with them, and they were once again professional, responsive, and understood the requirements well. The work was completed as expected, and they were willing to make adjustments when needed. Overall, reliable seller and I would be happy to work with them again.
50 $US
Prix
1 jour
Durée
Utile?M 
muhammad_irtiza

Pakistan
Uzair was helpful with the code for LLM integration, responding and acting quickly to my needs. I'll definitely be back! Thanks so much!
50 $US
Prix
2 jours
Durée
Utile?G gianmariadibart

Italie
great support ....
50 $US
Prix
1 jour
Durée
Utile?M mencij

Slovénie
Amazing service!
50 $US
Prix
Utile?M mencij

Slovénie
This was my best experience on fiverr so far! Delievered more than promised! Communication was great! 10/10
200 $US-400 $US
Prix
Utile?
34 avis concernant ce service
| (34) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Détails de la notation
- Niveau de communication avec le freelance
- Qualité de la livraison
- Valeur de la livraison
Trier par
W waseemch2

Pakistan
Great experience working with the seller again. This is my second time working with them, and they were once again professional, responsive, and understood the requirements well. The work was completed as expected, and they were willing to make adjustments when needed. Overall, reliable seller and I would be happy to work with them again.
50 $US
Prix
1 jour
Durée
Utile?M 
muhammad_irtiza

Pakistan
Uzair was helpful with the code for LLM integration, responding and acting quickly to my needs. I'll definitely be back! Thanks so much!
50 $US
Prix
2 jours
Durée
Utile?G gianmariadibart

Italie
great support ....
50 $US
Prix
1 jour
Durée
Utile?M mencij

Slovénie
Amazing service!
50 $US
Prix
Utile?M mencij

Slovénie
This was my best experience on fiverr so far! Delievered more than promised! Communication was great! 10/10
200 $US-400 $US
Prix
Utile?

