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Sachin Bhatiya

@sachinbhatiya

AI Engineer at Inforens building production RAG systems for student enquiries through the Ask Nori chatbot.

United Kingdom
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At Inforens, I engineered a production RAG-based document intelligence system that retrieves information about universities, tuition fees, scholarships, and admission eligibility. I connected semantic search and LLM-powered question answering to the platform through Python and FastAPI endpoints supporting the Ask Nori chatbot.

I also built automated ingestion pipelines for university APIs, web scraping, and PDFs, with incremental embedding updates to avoid unnecessary processing and full-index rebuilds. I configured AWS infrastructure, containerised applications with Docker, and monitored logs and performance with CloudWatch.

To evaluate response quality, I implemented automated RAG assessments using Ragas, faithfulness metrics, and test datasets. Earlier, at Motleyscape, I developed ETL pipelines and Power BI dashboards for real estate and construction reporting; my MSc dissertation project was a service provider recommendation engine.

Experience

Work history, roles, and key accomplishments

IN
Current

AI & Data Science Engineer

Inforens

Oct 2025 - Present (1 year 1 month)

Engineered a production RAG-based document intelligence system using Python, LangChain, Hugging Face and FAISS. Built automated ingestion pipelines and developed FastAPI endpoints for semantic search and LLM-powered question answering.

IN

AI & Data Science Intern

Inforens

Jan 2025 - Sep 2025 (8 months)

Prototyped RAG architectures using Python, LangChain and FAISS, benchmarking embedding models and chunking strategies. Developed document preprocessing, embedding generation and semantic search workflows.

MO

Data Analyst

Motleyscape

Jan 2022 - Jan 2024 (2 years)

Developed Python, BigQuery and MS SQL ETL pipelines to integrate operational data for real estate and construction projects. Analysed user behaviour and marketing performance, and developed Power BI dashboards and KPIs.

Education

Degrees, certifications, and relevant coursework

Queen Mary University of London logoQL

Queen Mary University of London

MSc, Big Data Science

2024 - 2025

Grade: Distinction

MSc Big Data Science with Distinction from Queen Mary University of London, completed from September 2024 to September 2025.

MIT World Peace University logoMU

MIT World Peace University

BTech, Computer Science and Engineering

2017 - 2021

BTech in Computer Science and Engineering from MIT World Peace University, completed from June 2017 to May 2021.

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