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yash-rai-93/README.md

Hi, I'm Yash Rai 👋

AI & ML undergraduate at BIT Mesra · Building AI systems from model to deployment

I work on agentic applications, LLM fine-tuning workflows, and machine learning research. I enjoy making models useful through reliable APIs, evaluation, and observability.

Live customer support demo LinkedIn Email LeetCode

About me

  • 🎓 B.Tech in Artificial Intelligence and Machine Learning at Birla Institute of Technology, Mesra (2023–2027).
  • 🔬 Research experience in camera-based heart-rate estimation with physics-informed learning.
  • 🛠️ Interested in agent reliability, LLM evaluation, model serving, MLOps, and practical full-stack AI products.
  • 🤝 AI & Quadcopter Head at the Aerospace Society and Outreach Head at the Society of Data Science, BIT Mesra.

Featured projects

LangGraph · FastAPI · React · PostgreSQL · Redis · Gemini · Opik · Google Cloud Run

An interactive customer-support demo for order questions and refund requests. A tool-using agent gathers customer-scoped data, while deterministic application code enforces refund policy, ownership, and ledger writes. The app includes a live audit timeline, admin console, model fallback, evaluation cases, and Opik traces.

Live app · Project overview · Code


PyTorch · Hugging Face Transformers · QLoRA · MLRun · AWS SageMaker · vLLM · Terraform

A portfolio implementation for analyzing non-disclosure agreements with an open-weight LLM. It prepares ContractNLI data, fine-tunes Hermes-4-14B adapters with QLoRA, evaluates hypothesis labels and supporting clauses, and includes model registry, serving, monitoring, and infrastructure code. The repository documents recorded experiments and the setup needed to run its AWS/MLRun workflows; its full production path is still being completed.

Code and architecture · Training and evaluation


Python · PyTorch · OpenCV · MediaPipe · FastAPI · React · Docker

A live camera-based rPPG application for contactless heart-rate estimation. PRISM extracts video quality and physiological features, predicts which specialist model should perform best for the input, and routes inference to that model. The React interface and FastAPI backend bring the research pipeline into an interactive demo.

As part of my BIT Mesra research, I developed the physics-informed model selection approach and reported 1.08 BPM MAE in motion-intensive evaluation. The work contributed to a patent filing and a paper submitted to IEEE TCBB.

Live app · Code and research overview


Technical skills

Area Tools and concepts
Languages Python, C++, SQL
Agents and generative AI LangGraph, LangChain, tool calling, ReAct agents, RAG, Hugging Face Transformers
LLM training and evaluation PEFT/LoRA, QLoRA, PyTorch DDP, vLLM, DeepEval, Opik, Promptfoo
ML and data PyTorch, scikit-learn, pandas, NumPy, feature engineering, model evaluation, Kafka, Spark
Backend and data stores FastAPI, REST APIs, PostgreSQL, Redis
Cloud and MLOps AWS, Google Cloud, Docker, GitHub Actions, MLRun, Terraform, Kubernetes

Experience

Research Intern · BIT Mesra · Jan–Apr 2026

Developed a physics-informed meta-learning approach for rPPG heart-rate estimation. Reported 1.08 BPM MAE in motion-intensive evaluation; contributed to a patent filing and a paper submitted to IEEE TCBB.

Freelance Machine Learning Engineer · Independent client · May–Jun 2026

Built a predictive-maintenance pipeline and FastAPI inference service with Kafka, Spark, and monitoring. Reported 0.94 F1 for failure-risk prediction.

Recognition

Flipkart GRID 8.0 semifinalist (2026) · MMVY scholarship recipient (three years) · G.P. Birla Scholarship recipient


Let's connect: LinkedIn · Email · GitHub

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  1. Agentic-Customer-Support-System Agentic-Customer-Support-System Public

    AI customer-support agent that approves, denies, or escalates e-commerce refunds — with a deterministic policy gate the LLM can't override. FastAPI + LangGraph + React.

    Python 1

  2. prism-rppg prism-rppg Public

    Python 2

  3. Legal-LLM-Fine-Tuning-and-MLOps Legal-LLM-Fine-Tuning-and-MLOps Public

    Legal contract analysis with Hermes-4-14B and QLoRA, featuring AWS SageMaker training and serving, MLRun workflows, model evaluation, and GPU benchmarks.

    Jupyter Notebook 1

  4. NewsPilot-AI NewsPilot-AI Public

    An autonomous, multi-agent pipeline for AI-generated newsletters. Built with LangGraph, AWS, Pinecone, and FastAPI with a React dashboard for Human-in-the-Loop review.

    Python 1