I will build llm and rag applications with langchain and openai

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Vishal Kumar
build llm and rag applications with langchain and openai
build llm and rag applications with langchain and openai
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build llm and rag applications with langchain and openaibuild llm and rag applications with langchain and openaibuild llm and rag applications with langchain and openaibuild llm and rag applications with langchain and openaibuild llm and rag applications with langchain and openaibuild llm and rag applications with langchain and openai

About this gig

I build LLM applications in Python - RAG systems that answer questions from your documents, semantic search, and AI assistants connected to your data. WHAT I BUILD: - RAG document Q&A - ask questions over your PDFs, docs and website content, answers with source references - Semantic search - embeddings + vector index (FAISS) over your document set - LLM integration - OpenAI API connected to your app, tool or workflow (LangChain) - Prompt design and answer testing against your own questions. HOW IT WORKS: 1. You share your documents and the questions the system must answer 2. I split, embed and index the documents 3. I connect the LLM + retrieval and test the answers 4. Delivery: working application / API + setup notes. Message me your use case first - I'll tell you plainly what can be built from your documents before you order.

  • AI engine

    • ChatGPT

  • Tools & frameworks

    • LangChain

  • AI solution type

    • Rag system

  • Purpose

    • Knowledge management

Get to know Vishal Kumar

Vishal Kumar

AI Chatbots Python n8n Automation ML NLP LLM RAG Voice Calls

  • FromIndia
  • Member sinceOct 2026
  • Avg. response time1 hour

  • Languages

    Hindi, English, German
Currently working as an AI and Data Security Intern at a health lab (10 months). My work: API integration for the TELESYNERGY pathology database used by 500+ users, Python and SQL data work in production, secure handling of sensitive data, preparing and validating labelled datasets, and turning data into business requirements. Services: AI customer support chatbots, Python and AI automation, AI agents, machine learning and NLP models, and LLM/RAG applications. Skills: Python, PyTorch, TensorFlow, scikit-learn, Machine Learning, NLP, LLMs, Transformers, RAG, API Integration, n8n.

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