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Tanvir Ahmod

@tanvirahmod

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AI Backend Engineer at Saratech Ltd, building Ulka Chat’s RAG pipelines and MCP-based AI services.

Bangladesh

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What I'm looking for

I’m looking to build production-grade AI systems, automated chatbots, and scalable backend services that solve real-world problems.

At Saratech Ltd, I develop AI backend systems and chatbot infrastructure using FastAPI, LangChain, and LangGraph. I also build and maintain Ulka Chat, including its RAG retrieval pipelines and context-aware response generation.

For Ulka Chat, I integrated MCP, Qdrant, and LLM-based services with a scalable API architecture and modular tool orchestration.

I built FactDrop, an AI-powered fact-checking platform with agentic evidence retrieval, explainable verdicts, and custom MCP connectors. It also supports Bangla and English, multi-model AI gateways, and AI-image and deepfake analysis.

My other projects include a transport procurement platform for Anwar Group, an automated work-summary module, and a contextual RAG assistant for Southeast University. I’ve also published research on ovarian cancer detection and freshwater fish recognition.

Experience

Work history, roles, and key accomplishments

Current

AI Backend Engineer

Current

Saratech Ltd

Dec 2024 - Present (1 year 11 months)

Developed production-ready AI backend systems and chatbot infrastructure using FastAPI, LangChain, and LangGraph. Built and maintained Ulka Chat, implementing RAG-based retrieval pipelines, vector search workflows, and context-aware response generation.