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sanjai-11/README.md

Sanjaikumar Balasubramaniyan

Data Scientist · AI Engineer · Builder

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About me

I build AI systems that actually work in production — from fine-tuning LLMs and RAG pipelines to churn prediction models running on 1M+ records. I care about clean code, reproducible experiments, and shipping things that make a measurable difference.

  • 🔭 Currently building with PyTorch, Browser-use, LangGraph
  • 🧠 Deep in LLMs, RAG pipelines, Multi-Agent AI
  • 💬 Talk to me about AI Agents · MLOps · Data Science · Startups
  • I don't care how many times I fail. I try again.

Tech stack

AI / ML PyTorch TensorFlow Scikit-learn XGBoost Hugging Face LangChain LangGraph PEFT / LoRA ChromaDB Pandas NumPy OpenCV CUDA

Languages Python SQL JavaScript C++ Scala Bash

Backend & APIs FastAPI Flask Django Node.js NestJS Next.js

Frontend React Tailwind CSS HTML/CSS D3.js

Databases PostgreSQL MySQL MongoDB Redis SQLite Cassandra

Cloud & DevOps AWS GCP Azure Docker Kubernetes Git Grafana Prometheus

Data & Streaming Apache Kafka Apache Hadoop Spark Kibana

Tools Postman Figma Tableau Weights & Biases Selenium


Featured projects

Project Description Stack
llm-finetune-eval Fine-tune Mistral-7B with LoRA — 90% param reduction, tracked via W&B PyTorch · PEFT · HuggingFace
semantic-search-rag PDF Q&A with full RAG pipeline + streaming UI LangChain · ChromaDB · Gemini
secureship Dual-agent vulnerability triage & patch generation Claude API · FastAPI · LangGraph
llm-inference-benchmark GPU benchmarking: latency, throughput, memory across models PyTorch · CUDA · Grafana · Docker
nerf-scene-reconstruction NeRF pipeline — volumetric rendering + novel view synthesis PyTorch · CUDA · OpenCV
multi-agent-research-assistant 3-agent retrieval → synthesis → fact-check pipeline LangGraph · Claude API · ChromaDB
churn-prediction-segmentation Churn model on 1M+ records, +30% retention targeting lift XGBoost · Scikit-learn · SQL · Tableau

GitHub stats

GitHub Streak

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  1. AI-Powered-Banknote-Identification-System AI-Powered-Banknote-Identification-System Public

    Empowering the visually impaired, this system uses advanced ML and computer vision for real-time Indian banknote recognition. A user-friendly interface provides instant, voice-guided identification…

    Python 2 1

  2. Air-Calligraphy-using-CV Air-Calligraphy-using-CV Public

    The Air Calligraphy system is a real-time video-based pointing system that enables users to sketch and write in the air using a coloured fingertip. This will be helpful for people without hand or l…

    Python 2

  3. Diabetes-Predictor Diabetes-Predictor Public

    The main objective of the dataset is to diagnostically predict whether a patient has diabetes or not based on certain key features like BMI, Blood pressure, and Insulin level in the dataset. In par…

    Python 1

  4. sanjai-blog sanjai-blog Public

    Blog built with Flask

    JavaScript 1 1