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Fiverr Pro
English
$
USD
I will develop a full stack web application in react and node js
Sonia
About this gig
Need a website that actually works, not just looks good?
Most websites fail because they're too generic (templates) or too complicated to maintain leaving businesses stuck with slow, hard-to-update sites.
THE SOLUTION
I build full stack web applications using React and Node.js fast, scalable, and tailored to your business needs.
From a landing page to a custom SaaS platform with authentication, databases, and API integrations, I handle it end to end.
WHAT'S INCLUDED
- Responsive React frontend, works on any device
- Node.js backend with scalable architecture
- Database integration (MongoDB/SQL)
- User authentication and admin dashboards
- Third-party API integrations
- Clean, well-documented, maintainable code
WHY CHOOSE ME
AI Engineer & Full Stack Developer experienced in Python, React, Node.js, and modern frameworks, building solutions that solve real business problems.
THE RESULT
A fast, reliable web app that scales with your business and gives your users a smooth experience.
Please message me before placing an order so I can confirm scope and give you an accurate quote and 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 Sonia
Sonia
AI Developer and LLM Engineer
- FromIndia
- Member sinceSep 2026
- Avg. response time1 hour
Languages
English
I'm an AI Engineer and LLM Specialist building intelligent, production-ready applications using GPT, LangChain, and RAG (Retrieval-Augmented Generation) pipelines. I help businesses turn their own data into smart AI systems using Python, React, and Node.js.
I design solutions grounded in your actual business data — making them more accurate and genuinely useful, not generic AI outputs.
From custom AI chatbots and RAG-based knowledge systems to full stack apps and API integrations, I deliver clean, well-documented, and reliable code — every time.
My Portfolio
FAQ
Q: Can you build the app from scratch?
A: Yes, I build custom applications from scratch based on your requirements, or improve and extend an existing app.
Q: Do I get the source code?
A: Yes, full source code is provided in all packages so you have complete ownership.
Q: Can you integrate payment gateways or third-party APIs?
A: Yes, available in Standard and Premium packages, including Stripe, PayPal, and other API integrations.
Q: Will the website be mobile-friendly?
A: Yes, every project is built fully responsive across desktop, tablet, and mobile.
Q: Do you provide post-delivery support?
A: Yes, minor bug fixes are covered for 7 days after delivery in Standard and Premium packages.
Q: Can you host the website for me?
A: Yes, hosting setup is included in the Premium package. I can guide you through hosting options for Basic and Standard as well.
Q: What if I need more revisions than included?
A: Additional revisions can be added at a small extra cost if needed beyond the package limit.
