You will get Custom AI Chatbot RAG Application Using OpenAI and LangChain
Project details
⭐ Every client has unique needs! Let's discuss your requirements in Upwork Chat before placing an order.
I am an AI Chatbot Developer & AI Specialist with a dedicated team, offering expertise in:
✔ Chatbot Development
✔ AI Model Integration
✔ OpenAI-Powered Chatbots
✔ LLM Fine-Tuning
✔ Prompt Engineering
✔ RAG (Retrieval-Augmented Generation) Implementation
✔ RAG-Based AI Agents for Documents & Videos
What I Offer:
🚀 Frontend Development with Next.js – Crafting dynamic, AI-enhanced user interfaces.
⚡ Backend Solutions with FastAPI & Node.js – Building robust, scalable server-side applications.
🤖 AI Integration using OpenAI – Developing intelligent chatbots with RAG embeddings, and vector database integrations (Pinecone, Chroma DB).
📊 Advanced Data Management – Seamless integration of vector databases with LLMs to enhance AI capabilities.
Who is this for?
💡 Tech startups, data-driven businesses, and companies looking to improve customer engagement through AI-powered chatbots.
Let’s build a custom AI chatbot tailored to your needs, leveraging the power of OpenAI, LangChain, and cutting-edge LLMs. 🚀
I am an AI Chatbot Developer & AI Specialist with a dedicated team, offering expertise in:
✔ Chatbot Development
✔ AI Model Integration
✔ OpenAI-Powered Chatbots
✔ LLM Fine-Tuning
✔ Prompt Engineering
✔ RAG (Retrieval-Augmented Generation) Implementation
✔ RAG-Based AI Agents for Documents & Videos
What I Offer:
🚀 Frontend Development with Next.js – Crafting dynamic, AI-enhanced user interfaces.
⚡ Backend Solutions with FastAPI & Node.js – Building robust, scalable server-side applications.
🤖 AI Integration using OpenAI – Developing intelligent chatbots with RAG embeddings, and vector database integrations (Pinecone, Chroma DB).
📊 Advanced Data Management – Seamless integration of vector databases with LLMs to enhance AI capabilities.
Who is this for?
💡 Tech startups, data-driven businesses, and companies looking to improve customer engagement through AI-powered chatbots.
Let’s build a custom AI chatbot tailored to your needs, leveraging the power of OpenAI, LangChain, and cutting-edge LLMs. 🚀
Programming Languages
JavaScript, Python, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included $500
These options are included with the project scope.
$500
- Delivery Time 10 days
- Number of Revisions 5
- Design Customization
- Content Upload
- Responsive Design
- Source Code
7 reviews
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IH
Imdad H.
Apr 30, 2026
Next.js Developer Needed for Pixel-Perfect Website Recreation
I had an excellent experience working with Abdul on my project . He was professional, communicated clearly. I’m very satisfied with the outcome and the overall experience. I would confidently hire him again for future projects.
Highly recommended for anyone looking for a reliable and skilled Next.js developer.
Highly recommended for anyone looking for a reliable and skilled Next.js developer.
YK
Yan K.
Jul 30, 2025
React - implementation of a Figma (big parts already developed )
Thanks Abdul!
HA
Haider A.
May 3, 2025
Experienced React/JavaScript Website Developer Needed
An outstanding developer who delivers clean, efficient, and scalable code. Highly recommended for any web development project.
AF
Andreas F.
Apr 24, 2025
Sync Monday.com Board with Supabase Database
Abdul is fast, detailed and solution oriented. To this he adds a good technical knowledge. Hire him for the assignments you need, you wont regret it!
IH
Imdad H.
Mar 15, 2025
Frontend developer (react)
It was a pleasure working with Rafay. He's highly skilled in coding, excellent in communication.
About Abdul
Full Stack Developer (React, Node.js, Next.js) | SaaS, AI & Automation
100%
Job Success
Karachi, Pakistan - 12:42 am local time
I've spent the last 7+ years building web applications, SaaS platforms, internal business systems, and automation tools for startups and businesses.
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🚀 WHAT I BUILD
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▸ CUSTOM WEB APPLICATIONS
React, Next.js, Node.js, TypeScript, PostgreSQL, REST APIs.
▸ SAAS PLATFORMS
Production-ready SaaS in 2 weeks. Auth, billing, dashboards, multi-tenant ready for real paying users on day one.
▸ AI-POWERED APPLICATIONS
OpenAI integrations, chatbots, workflow automation, document processing, and custom AI tools.
▸ BUSINESS AUTOMATION
Replace repetitive manual work with systems that save time and reduce operational overhead.
▸ API DEVELOPMENT & INTEGRATIONS
Third-party integrations, payment gateways, automation platforms, and custom backend services.
▸ EXISTING PROJECT RESCUE
Taking over unfinished projects, fixing bugs, improving performance, and stabilizing production systems.
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💡 COMMON PROBLEMS I HELP SOLVE
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• "The previous developer left the project incomplete."
• "The application is slow and difficult to maintain."
• "We have an idea but don't know how to build it correctly."
• "Our team spends too much time on manual processes."
• "We need a scalable foundation before we launch."
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🛠 TECHNOLOGIES
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Frontend:
React • Next.js • TypeScript • Tailwind CSS • Shadcn/UI
Backend:
Node.js • NestJS • Express • PostgreSQL • MySQL • MongoDB • Supabase
AI & Integrations:
OpenAI API • ChatGPT • Stripe • REST APIs • Webhooks
Cloud & DevOps:
Vercel • Docker • GitHub • CI/CD
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🤝 HOW I WORK
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Clear communication.
Realistic timelines.
Clean, maintainable code.
No unnecessary complexity.
If you're building a SaaS product, internal business system, or AI-powered application and need someone who can take ownership of the technical side, let's talk.
Send me a message and tell me what you're building.
Next.js Developer, React Developer, Full Stack Developer, SaaS Development, Web Application Development, Stripe Integration, NodeJS Developer, Web Development
Steps for completing your project
After purchasing the project, send requirements so Abdul can start the project.
Delivery time starts when Abdul receives requirements from you.
Abdul works on your project following the steps below.
Revisions may occur after the delivery date.
Analysis
I analyses requirements while standing in your shoes to form a roadmap for successful project delivery.
Build
I develops highly scalable, and performance-efficient AI Chatbot/Voice Agent using right tech stack for your product.