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Jayaragul/README.md
Jayaragul N — AI engineer

AI engineer in Coimbatore, India. I build across the whole stack — language models and agentic systems, the backends and APIs that serve them, computer vision, data science, and the occasional robot. I try to understand a problem and its domain properly before I start building.


Capability map across five engineering domains

What I build

AI agents — this is where most of my work lives. Systems that classify intent, pick tools, call them, and reason over the results in structured steps rather than one-shot prompting: a factory copilot for inventory and risk reporting, a healthcare assistant built behind guardrails, an industrial data agent with sandboxed code execution, and a Mixture-of-Experts platform that routes queries to specialised experts over shared memory. Roughly a dozen of my repos are agents of one kind or another.

Language models — I don't stop at calling an API. I've fine-tuned small models on private data and written a 27.8M-parameter GPT from scratch in PyTorch — attention, tokenizer and training loop by hand — to understand what's actually happening inside one.

Backends & full stack — Django and Flask services, REST APIs, SQL and MongoDB, deployed and running. Most of my AI work ships behind an endpoint someone can actually call.

Computer vision — CNN classifiers for medical imaging and real-time detection, built with OpenCV and TensorFlow.

Data science — cleaning messy real-world data, training models, and putting them behind interfaces non-technical people can use.

Robotics — motion profiling under real-time constraints on Linux RTOS, with IoT control.

Selected work

slm-from-scratch A 27,846,000-parameter decoder-only transformer trained on TinyStories. Hand-written causal attention, weight-tied embeddings, memory-mapped data pipeline. Trained weights included.
INFERENCING-LLM-LAMA Privacy-first local AI platform with agentic capabilities — web search, RAG and tools. Runs fully offline on Ollama + FastAPI.
industrial-data-agent Safety-first Gemini-powered CLI for evidence-backed analysis of industrial orders, machine utilisation and inventory, with sandboxed code execution.
AGENT-HARNESS Factory AI Copilot — an industrial assistant for inventory checks, machine requirement analysis and risk reports, behind a chat interface.
health-care-agent Healthcare information assistant built on AI-harness principles, with guardrails and a clear split between routing, tools and generation.
agri-hackathon Thulir — an AI farming companion for smallholder farmers. Winner: Best Use of AI for Zero Hunger & Economic Growth, GDG Tech for Good 2026.
factory-twin Real-time 3D factory digital twin with AI anomaly detection. React + Three.js front end, FastAPI + SQLAlchemy back end.
kidney Streamlit app predicting kidney-disease risk from clinical parameters such as age, blood pressure and blood sugar.

How my agents actually work

Agent pipeline: query, intent routing, expert selection, tool use, shared memory, response

A query gets classified by intent, routed to the expert best suited to it, answered with tools where needed, and merged back into shared memory so the next turn has context. Not one-shot prompting.


Writing

Working with

Python · PyTorch · SQL · Django · Flask · OpenCV · TensorFlow · pandas · scikit-learn · MongoDB · LLMs & fine-tuning · Agentic AI · Google Cloud · Linux RTOS · Git


Contribution graph rendered as a snake

Portfolio · Medium · jayaragul.in@gmail.com

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  1. codesastra codesastra Public

    A sleek, modern website for Code Sastra, a software development company specializing in AI solutions, scalable web apps, and mobile development. Built with HTML, CSS

    HTML 1 1

  2. dr-curion-flask dr-curion-flask Public

    AI-dr diagnosis website

    HTML 1

  3. kidney kidney Public

    Streamlit web app that predicts kidney-disease risk from clinical parameters such as age, blood pressure and blood sugar, using a model trained on patient records.

    Jupyter Notebook 1

  4. Mask-deduct Mask-deduct Public

    Gradio app that detects whether a person is wearing a face mask, served from a Keras/MobileNetV2 image classifier. Runs as a Hugging Face Space.

    Python 1

  5. slm-from-scratch slm-from-scratch Public

    A 27.8M-parameter GPT trained from scratch on TinyStories — transformer, tokenizer pipeline and training loop written by hand in PyTorch. Trained weights included.

    Python 1

  6. INFERENCING-LLM-LAMA INFERENCING-LLM-LAMA Public

    ⚡ A privacy-first, local AI platform with Agentic capabilities (Web Search, RAG, Tools). Runs entirely offline using Ollama & FastAPI. 🦙🔒

    Python