I will build a custom ai chatbot or ai web app

W
wethumlansakara
W
wethumlansakara
Wethum L
build a custom ai chatbot or ai web app
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build a custom ai chatbot or ai web app

About this gig

Need a custom AI chatbot, AI web app, or LLM integration?

I will help you build a practical AI solution tailored to your project or business needs.

What I can build:

  • Custom AI chatbots and conversational interfaces
  • AI-powered web applications and SaaS features
  • OpenAI, Claude, Gemini, and other LLM API integrations
  • RAG chatbots for PDFs, documents, and private knowledge bases
  • Python and FastAPI backends / REST APIs
  • React and JavaScript/TypeScript frontends
  • PostgreSQL and database integration
  • Authentication and user accounts
  • AI automation and custom AI features
  • Debugging and improvements for existing AI applications

Technologies I work with:

Python, FastAPI, React, JavaScript/TypeScript, PostgreSQL, REST APIs, and modern AI/LLM APIs.

Why work with me?

  • Clean and maintainable code
  • Source code included
  • Clear communication
  • Solutions built around your requirements
  • Support throughout the project

Please message me before ordering, especially for custom or larger projects. I will review your requirements and help you choose the right package, scope, price, and delivery time.

  • Application Type

    • Web Application

  • AI Type

    • Chat
    • Shopping
    • Booking
    • Education
    • Productivity Tools
    • E-commerce
    • Custom
    • IoT
    • Gaming

  • Programming Language

    • C++
    • Java
    • JavaScript
    • PHP
    • Python
    • TypeScript
    • React
    • SQL

  • Web Frameworks

    • React
    • Flask
    • Next.js
    • Other

  • Desktop Frameworks

    • Electron
    • React Native for Web
    • PyQt
    • Kivy
    • Tkinter

  • No & Low-Code Builders

    • Bubble
    • Lovable
    • Replit

Get to know Wethum L

Wethum L

AI, Python Developer, FastAPI, RAG, Web Development

  • FromSri Lanka
  • Member sinceSep 2025
  • Avg. response time1 hour

  • Languages

    Sinhala, English
Hi! I’m a Python and AI developer focused on building practical web applications, APIs, AI integrations and machine learning solutions. I work with Python, FastAPI, React, REST APIs, AI/LLM integrations, RAG systems and automation. I can help with: • Python and FastAPI backend development • REST API development and integration • AI chatbot and LLM integration • RAG and document Q&A systems • React web application development • Python scripts and automation • Bug fixing and backend troubleshooting • Machine learning projects I focus on clean code, clear communication and reliable delivery.

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