I will build custom ai websites and smart web apps with react


About this gig
Welcome to Your Custom AI Web App Solution!
Are you looking to integrate the power of Artificial Intelligence into your business? Whether you need a smart generative tool, a custom chatbot, or a full-scale AI SaaS platform, I build custom AI websites and smart web apps tailored to your exact needs.
With strong expertise in the complete MERN stack (MongoDB, Express.js, React, Node.js) and a dedication to writing clean, maintainable, production-ready code, I ensure your AI application is scalable, secure, and visually stunning.
What you will get:
- Seamless OpenAI / ChatGPT API Integration
- Custom AI functionalities (Text generation, smart chatbots, AI data processing)
- Fast, responsive, and modern frontend using React
- Robust and secure backend development with Node.js & Express
- Efficient database architecture (MongoDB)
- Fully functional, bug-free source code
Why choose my service?
I don't just write code; I focus on delivering well-structured, high-performance applications that are ready for live deployment. Client satisfaction and building reliable, real-world solutions are my top priorities.
Get to know Kasun Nadeera
Full Stack Developer , SEO Specialist
- FromSri Lanka
- Member sinceApr 2025
Languages
English, Spanish, German, French
My Portfolio
FAQ
Do you provide the complete source code?
Yes, I provide the full, well-documented source code for all my packages once the project is completed.
Can you integrate AI into my existing React web app?
Absolutely! I can seamlessly integrate OpenAI or other AI models into your existing React frontend and Node.js backend.
What do you need from me to start?
I need a clear description of your idea, any UI/UX wireframes or references you have, and your AI API keys (like OpenAI) to connect the AI services.

