I will develop a custom ai saas or intelligent chatbot using gpt5 and langchain

L
law_lotar
L
law_lotar
Lew L
develop a custom ai saas or intelligent chatbot using gpt5 and langchain
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develop a custom ai saas or intelligent chatbot using gpt5 and langchain

About this gig

Custom AI SaaS & GPT-4 and 5 Solutions


Transform your business with intelligent AI. With 5+ years of Full Stack experience, I build scalable, data-driven applications that drive revenue.

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My Services:

  • AI SaaS: Subscription apps (Content, SEO, Image Gen).
  • RAG Chatbots: Bots that "talk" to your PDFs, Websites, or DBs.
  • AI Automation: Custom workflows via GPT-4, Zapier, or APIs.
  • Voice Agents: Intelligent AI voice assistants.


Tech Stack:

  • AI: GPT-4o, LangChain, CrewAI, Llama.
  • Full Stack: Next.js, Python (FastAPI), Node.js, MongoDB.


Why Me?

  • Scalable Code: Performance-first architecture.
  • Deployment: Expert setup on AWS, Vercel, or Heroku.
  • Free Strategy: Consultation on the best AI model for your budget.


Ready to innovate? Message me today!

  • Application Type

    • Web Application

  • Desktop Frameworks

    • React Native for Web

  • AI Type

    • Chat
    • Shopping
    • Delivery
    • Booking
    • Restaurant
    • Health & Fitness
    • Education
    • Social Networking
    • Entertainment
    • Dating
    • Maps & Navigation
    • Finance
    • Medical
    • Taxi
    • Travel
    • Lifestyle
    • Streaming
    • Music
    • News
    • Productivity Tools
    • E-commerce
    • Custom
    • Kids
    • IoT
    • Real Estate
    • AR
    • Trading
    • Gaming
    • VPN
    • Wallet App

  • Programming Language

    • Java
    • Kotlin
    • Swift
    • Objective-C
    • JavaScript
    • Dart
    • TypeScript
    • Python
    • PHP

  • Web Frameworks

    • React
    • Angular
    • Vue.js
    • Svelte
    • Backbone.js
    • Express.js (Node.js)
    • Django
    • Flask
    • Ruby on Rails
    • Spring Boot
    • ASP.NET
    • Laravel
    • Next.js
    • Nuxt.js
    • Meteor
    • Blazor

  • No & Low-Code Builders

    • Bubble
    • Lovable
    • FlutterFlow

Get to know Lew L

Lew L
  • FromPoland
  • Member sinceJul 2025
  • Avg. response time5 hours

  • Languages

    English, Polish, French, Arabic
Hi there! I’m loter — a full-time Software Engineer with a sharp focus on PHP development. I also specialize in WordPress design and development, bringing over many years of hands-on experience in crafting high-performing websites. Whether it's building from scratch or optimizing existing platforms, I approach every project with confidence, precision, and a results-driven mindset. When you work with me, you’re not just hiring a developer — you’re getting a complete business solution tailored to your goals. 💡 Let’s turn your vision into a powerful digital reality!

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