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Ketan TiwariKT
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Ketan Tiwari

@ketantiwari

Backend developer and Generative AI intern at Halliburton who developed a RAG-powered Text-to-SQL chatbot for Oracle well data.

India
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At Halliburton, I developed an AI-powered Text-to-SQL chatbot that used LLMs and RAG to convert natural-language questions into Oracle SQL queries. I implemented schema-aware query generation for retrieving enterprise well data.

As a Backend Developer Intern at Sapphire Infocom Pvt. Ltd., I developed backend systems and RESTful APIs using Node.js, Express.js, and MongoDB, and implemented JWT-based authentication. At Oil and Natural Gas Corporation (ONGC), I developed dynamic forms with input validation and built search and filtering mechanisms.

My projects include a multi-agent research pipeline using LangChain, Tavily, and BeautifulSoup, and VISTA, an AI platform integrating conversational AI, document analysis, and other AI capabilities. I’m also developing an AI interview and resume analytics platform with mock interview workflows and a resume engine that generates downloadable PDF documents.

Experience

Work history, roles, and key accomplishments

SL

Backend Developer Intern

Sapphire Infocom Pvt. Ltd.

Sep 2025 - Dec 2025 (3 months)

Developed scalable backend systems using Node.js, Express.js and MongoDB, building RESTful APIs for efficient data processing and retrieval. Implemented JWT-based authentication to secure API endpoints and protect user data.

Halliburton logoHA

Generative AI Intern

Jun 2025 - Jul 2025 (1 month)

Developed an AI-powered Text-to-SQL chatbot using LLMs and RAG to convert natural language questions into Oracle SQL queries. Implemented schema-aware query generation on Halliburton's Oracle database, enabling accurate retrieval of enterprise well data.

Oil and Natural Gas Corporation (ONGC) logoOO

Web Developer Intern

Oil and Natural Gas Corporation (ONGC)

Jul 2024 - Aug 2024 (1 month)

Designed and developed dynamic forms with input validation, backed by structured database storage and automated backend workflows to reduce manual entry errors. Built search and filtering mechanisms for efficient data querying and retrieval.

Education

Degrees, certifications, and relevant coursework

SC

Shah & Anchor Kutchhi Engineering College

Bachelor of Technology, Electronics and Computer Science

2023 -

Grade: 7.87

Pursuing a Bachelor of Technology in Electronics and Computer Science with a CGPA of 7.87, expected to graduate in 2027.

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