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krishna_kul

krishna k

@krishna_kul

AI Chatbot Developer specializing in RAG Systems, LangChain and OpenAI

India
English, Hindi
About me
I build AI chatbots that answer from your actual business documents — PDFs, manuals, FAQs, websites. Using RAG, your chatbot reads real documents and cites sources with every answer — not making things up. What I build: - Document-trained chatbots - Conversation memory & follow-ups - Embeddable website chat widgets - Tool integrations & AI agents I measure accuracy using MRR and NDCG before delivery — proven to work, not just built and hoped for the best. Message me and I'll tell you honestly if I can help.... Read more

Skills

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krishna_kul
krishna k
Offline • 
Average response time: 1 hour

See my services

AI Chatbot Development
I will build a custom rag ai chatbot for your website
From$25 / projectMore details

Portfolio

Work experience

Freelance

Freelance

Freelance • 2 yrs 5 mos

Threadline Apparel (Personal Project)

Dec 2025 - Present • 8 mos

Built customer support chatbot for e-commerce brand using PDF ingestion, CrossEncoder reranking, and GPT-4 with strict hallucination prevention

Insurellm (Personal Project)

Oct 2025 - Present • 10 mos

Built company knowledge base chatbot over 70+ documents across employees, contracts and products with query expansion, reranking, MRR evaluation and embeddable chat widget

AI Chatbot Developer

Sep 2025 - Present • 11 mos

Built production-grade RAG chatbots using LangChain, OpenAI, and ChromaDB for document-based question answering systems