Hafiz Muhammad A.

AI Engineer building production AI agents, agentic RAG systems and LLM apps with OpenAI GPT, Claude, LangChain, LangGraph, CrewAI and n8n. Top Rated | 100% Job Success | MSc in Artificial Intelligence | 5+ years in ML, NLP and Generative AI. Your AI shouldn't stop at a demo. I build AI agents, RAG chatbots and AI automation that work on your real data, plug into your stack, and keep working after launch. WHAT I BUILD AI Agents & Agentic AI • Multi-agent systems with LangGraph, CrewAI and LangChain: tool calling, memory, routing and human-in-the-loop • MCP (Model Context Protocol) integrations so agents can act on your APIs, databases, CRM and internal tools • Autonomous sales, lead generation and outreach agents RAG & LLM Applications • Agentic RAG over thousands of documents, with source citations • Vector databases and semantic search: Pinecone, pgvector, Weaviate, ChromaDB • "Chat with your data": let your team ask questions about business data in plain English • LLM integrations across OpenAI GPT, Anthropic Claude and Google Gemini, with cost and latency controls AI Chatbots & Voice AI Agents • AI customer support chatbots for websites, WhatsApp and Telegram, grounded in your knowledge base • AI calling / voice AI agents for lead qualification and follow-up n8n & AI Workflow Automation • End-to-end n8n automation: lead follow-up, CRM updates, email, invoices, meeting notes and social content • AI document processing and data extraction pipelines AI SaaS Backends & Fine-Tuning • Production AI backends and APIs with Python and FastAPI, multi-tenant and usage-metered • LLM fine-tuning on your domain data (Hugging Face, Unsloth) and private/on-prem models via Ollama • Classic ML: recommendation systems, forecasting, NLP and sentiment analysis TECH STACK AI/LLM: OpenAI GPT, Claude, Gemini, LangChain, LangGraph, CrewAI, LlamaIndex, MCP, Hugging Face, Ollama Data: Pinecone, pgvector, Weaviate, ChromaDB, PostgreSQL, Redis, Supabase Backend & DevOps: Python, FastAPI, Docker, OpenShift, CI/CD, AWS Automation: n8n, APIs, webhooks, CRM integrations WHY CLIENTS HIRE ME • Production, not prototypes: error handling, logging, evaluation and documentation your team can maintain • Business first: I start from your problem and agree clear scope and milestones before writing code • Clear communication and regular progress updates; I stay available after handover • Based in Saudi Arabia (UTC+3), working with clients in the GCC, Europe and USA Building an AI agent, RAG chatbot, voice agent or automation? Send me your use case and I'll reply with a concrete technical approach, timeline and estimate.