AI Agent & Chatbot Development (LangChain · OpenAI · RAG)Abdul Rehman
I build production-ready AI agents, RAG pipelines, and LLM-powered chatbots using LangChain, OpenAI, and Pinecone — with 8+ years of full-stack engineering behind every build.
Top Rated on Upwork with 100% JSS across 18 contracts and $20K+ earned. I've shipped live AI products including a legal document analyzer (GPT-4o + PDF.js), an AI meeting assistant (Whisper + GPT), and an AI job platform processing 10,000+ daily listings with semantic scoring.
What I deliver😍
Custom AI Agents — Goal-oriented agents with memory, tool use, and multi-step reasoning using LangChain and OpenAI.
RAG Pipelines — Retrieval-Augmented Generation systems with Pinecone vector search, document chunking, and context-aware responses.
AI Chatbots — Conversational interfaces with session memory, streaming responses, and business-specific knowledge bases.
LLM API Integration — OpenAI, Anthropic Claude, and Ollama integrations into existing Next.js or Node.js apps.
Production Deployment — Fully hosted on Vercel or AWS with auth, logging, cost controls, and post-launch support.
AI Agent & Chatbot Development (LangChain · OpenAI · RAG)Abdul Rehman
I build production-ready AI agents, RAG pipelines, and LLM-powered chatbots using LangChain, OpenAI, and Pinecone — with 8+ years of full-stack engineering behind every build.
Top Rated on Upwork with 100% JSS across 18 contracts and $20K+ earned. I've shipped live AI products including a legal document analyzer (GPT-4o + PDF.js), an AI meeting assistant (Whisper + GPT), and an AI job platform processing 10,000+ daily listings with semantic scoring.
What I deliver😍
Custom AI Agents — Goal-oriented agents with memory, tool use, and multi-step reasoning using LangChain and OpenAI.
RAG Pipelines — Retrieval-Augmented Generation systems with Pinecone vector search, document chunking, and context-aware responses.
AI Chatbots — Conversational interfaces with session memory, streaming responses, and business-specific knowledge bases.
LLM API Integration — OpenAI, Anthropic Claude, and Ollama integrations into existing Next.js or Node.js apps.
Production Deployment — Fully hosted on Vercel or AWS with auth, logging, cost controls, and post-launch support.
$70 /hr