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Prateek PatelPP
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Prateek Patel

@prateekpatel1

AI Engineer at Hughes Systique Corporation who built a LangGraph Q&A chatbot achieving 93% answer accuracy across 500 test queries.

India
Message

At Hughes Systique Corporation, I designed and built a LangGraph Q&A chatbot over an 11K-page technical specification corpus. It achieved 93% end-to-end answer accuracy across 500 TSPEC test queries.

I also built an enterprise RAG pipeline over technical documents, emails, and meeting transcripts, improving Recall@K to 85% and Precision@K to 83%.

As an Associate AI Engineer at Hughes Systique Corporation, I redesigned retrieval for technical documentation and reduced latency by 10× while maintaining a Recall@10 of 0.88. I also developed a PyTorch architecture for time-series signal classification that achieved 87% accuracy on 1,000 real signal samples.

I fine-tuned FLAN-T5 for domain-specific question answering with QLoRA/PEFT, reducing GPU training cost by 60%, and deployed it through a real-time inference API. In a project, I built a LangGraph-powered email automation platform with human-in-the-loop approval gates.

Experience

Work history, roles, and key accomplishments

HC
Current

AI Engineer

Hughes Systique Corporation

Apr 2025 - Present (1 year 6 months)

Designed and built a LangGraph-based Q&A chatbot with retrieval, reasoning, and validation workflows over a Neo4j knowledge graph for an 11K-page technical specification corpus, achieving 93% end-to-end answer accuracy. Built an enterprise RAG pipeline over 1,500-page technical documents, emails, and meeting transcripts, improving Recall@K to 85% and Precision@K to 83%.

HC

Associate AI Engineer

Hughes Systique Corporation

Aug 2023 - Mar 2025 (1 year 7 months)

Scaled retrieval for 10k+ pages of technical documentation by redesigning the pipeline with FAISS indexing, metadata filtering, embedding caching, and async vLLM inference, achieving a 10x reduction in latency. Developed a multi-branch PyTorch architecture for time-series signal classification, achieving 87% accuracy, and fine-tuned FLAN-T5 for domain-specific QA using QLoRA/PEFT, reducing GPU tra

Education

Degrees, certifications, and relevant coursework

MS

Madhav Institute of Technology & Science

Bachelor of Technology, Computer Science and Engineering

2019 - 2023

Grade: 8.28 CGPA

Bachelor of Technology in Computer Science and Engineering with a CGPA of 8.28.

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