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Jaykd33/README.md
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JAY KUMAR DAS

AI/ML & Full-Stack Engineer Β· B.E. CSE (AI & ML) @ CBIT, Hyderabad Β· Class of 2027 Currently researching EEG-based cognitive fatigue detection @ NIT Goa


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About

I build systems that sit at the intersection of machine learning research and production software β€” fine-tuning transformer models, then shipping them as real, working applications rather than notebooks. My recent work spans sentiment and emotion detection with DistilBERT, multilingual text classification with XLM-RoBERTa across five Indic languages, and fraud detection with explainable AI.

Right now I'm at NIT Goa researching EEG-based cognitive fatigue prediction, working through physiological signal preprocessing, feature engineering, and model evaluation as part of a paper in progress. Outside of research, I lead CBITMUN as Secretary-General, coordinating a 200+ member team through one of the largest student-run MUN conferences in the region.

What ties it together: I care about the full lifecycle of an ML system β€” training, evaluation, deployment, monitoring, and explainability β€” not just the model. I'm graduating in 2027 and open to full-time opportunities from July 2026.


Featured Projects

Full-stack NLP application for sentiment and emotion analysis, built end-to-end from model training to production release.

  • Fine-tuned DistilBERT for 3-class sentiment and 8-class emotion detection
  • FastAPI inference microservice + Next.js frontend, deployed on Vercel
  • Diagnosed and resolved OOM crashes and timeout failures by offloading inference to the HuggingFace Inference API
  • SHAP token attribution for explainable predictions, with uptime monitoring via UptimeRobot

Python DistilBERT FastAPI Next.js SHAP HuggingFace

XLM-RoBERTa fine-tuned across five Indic scripts to classify news into ten categories.

  • 125M-parameter model trained on 37,000+ samples β€” Telugu, Malayalam, Marathi, Tamil, Gujarati
  • 86.12% test accuracy, 78.75% F1-macro via partial layer freezing and mixed-precision training
  • Comparative study across Logistic Regression β†’ BiLSTM β†’ XLM-RoBERTa
  • Deployed via Gradio on HuggingFace Spaces, weights on HuggingFace Hub

Python XLM-RoBERTa PyTorch Gradio HuggingFace

Hybrid fraud detection system combining ML and rule-based risk fusion for real-time transaction screening.

  • Random Forest models achieving ~85–92% prediction accuracy
  • End-to-end pipeline: preprocessing, feature engineering, evaluation, automated risk scoring
  • React dashboard with SHAP-based per-transaction explainability
  • Modular full-stack architecture with REST API integration

Python scikit-learn FastAPI React SHAP

Production website for a national-level Model United Nations conference, built and maintained while serving as Secretary-General.

  • Delegate-facing site supporting a 200+ member organizing team
  • Built for scale under real conference-week traffic and deadlines
  • Reflects ownership across both the technical and organizational side of a large student event

HTML CSS JavaScript


Technical Skills

Languages Python JavaScript SQL R HTML5 CSS3

AI / Machine Learning TensorFlow Keras scikit-learn HuggingFace OpenAI RAG SHAP

Backend & APIs FastAPI REST API Microservices

Frontend React Next.js

Tools & Infrastructure Git GitHub Docker Jupyter VS Code Power BI

Cloud & Deployment Vercel Railway HuggingFace Spaces


Experience

AI Research Intern β€” National Institute of Technology Goa June 2026 – Present

Developing deep learning models for EEG-based cognitive fatigue prediction, running end-to-end experimentation across physiological signal datasets β€” preprocessing, feature engineering, and model evaluation. Contributing to a research paper through result validation, technical documentation, and scientific writing, informed by a systematic literature review of state-of-the-art fatigue detection approaches.


Connect

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  1. CBITMUN2026 CBITMUN2026 Public

    Official Website of CBIT Model United Nations

    HTML 3

  2. Sentiment_IQ Sentiment_IQ Public

    An end-to-end NLP AI system that performs real-time sentiment analysis with 8-class emotion and 3-class sentiment

    TypeScript

  3. EEG-Fatigue_Research EEG-Fatigue_Research Public

    NIT Goa Research Internship

    Jupyter Notebook 1

  4. Multilingual_News_Classifier Multilingual_News_Classifier Public

    A single unified model that reads Telugu, Malayalam, Marathi, Tamil, and Gujarati natively, classifying news headlines into up to 10 categories β€” no translation required.

    Python

  5. fortix-guard-engine fortix-guard-engine Public

    TypeScript 1

  6. IPL_dashboard IPL_dashboard Public

    A mini project using PowerBI