Muhammad Saif ur Rehman

Python, ChatGPT API Integration, AI Chatbot Development, OpenAI API, Conversational AI, GPT-4 / GPT-4o Development, LLM Application Development, Custom Chatbot Development, Retrieval-Augmented Generation (RAG), LangChain, Vector Database Integration, Pinecone / Weaviate / ChromaDB, Document Q&A Systems, PDF Chatbot Development, Embeddings & Semantic Search, AI Voice Agent Development, Twilio Voice Integration, Speech-to-Text (STT) / Text-to-Speech (TTS), Vapi / ElevenLabs Integration, Outbound Calling Bot, n8n Automation, AI Workflow Automation, CRM Integration (HubSpot / Salesforce), Lead Qualification Automation, Email Automation with AI, Prompt Engineering, Prompt Template Design, AI Output Optimization, System Prompt Architecture, Fine-Tuning (OpenAI / Hugging Face), Custom AI Solutions