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Charan6924/README.md

Charan Vardham

CS and Math Undergraduate at UW-Madison

LLM Reliability, Reinforcement Learning and Parallel Computing

Papers I've Read

Repositories

  • fraud-detection — Real-time credit card fraud detection: XGBoost Ensemble, serverless TypeScript inference, drift detection, custom Docker container on Lambda, and canary CI/CD deployment (in progress)
  • GPT2 — from-scratch GPT-2 (124M params) trained on 10B tokens
  • incident-agent — Multi-agent AI incident response platform: autonomous detection, triage, investigation, remediation, and post mortem generation for production grade systems (in progress)
  • TinyTorch — Autograd framework with reverse-mode AD built from scratch in NumPy
  • VisionTransformer — SigLIP ViT with sigmoid contrastive loss and BERT text encoder
  • Sift — AI resume screening (link)
  • ducky — CLI tool that passively tracks AI coding assistant usage during development sessions
  • SuperResolution — SRGAN: 64×64 → 125×125 with perceptual loss
  • ArtGan — CNN-RNN that classifies paintings by style and artist
  • CUDA — CUDA kernels
  • KernelConversionResearch — deep learning for CT reconstruction kernel conversion
  • PersonalPortfolio — responsive portfolio website with modern design and interactive features

Tech Stack

  • ML/Systems: Python, PyTorch, HuggingFace, CUDA, C++, Scikit-Learn
  • Web: React, Next.js, Tailwind CSS, TypeScript, Supabase, Firebase, Vercel
  • LLMs/Agents: LangGraph.js, DeepSeek API, Vercel AI SDK, Qdrant, Upstash Kafka

Contact & Links

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  1. GPT2 GPT2 Public

    A from-scratch implementation of the GPT-2 base model(124M parameters) trained on 10 billion tokens from the FineWeb-Edu dataset

    Python 1

  2. fraud-detection fraud-detection Public

    End-to-end ML system that classifies transactions as fraudulent or legitimate in real time.

    Python 1

  3. KernelConversionResearch KernelConversionResearch Public

    A deep learning model for estimating frequency domain filters to convert between CT reconstruction kernels.

    Python 1

  4. incident-agent incident-agent Public

    Multi-agent AI incident response platform — autonomous detection, triage, investigation, remediation, and post-mortem generation for production systems

    TypeScript 1

  5. ducky ducky Public

    Passively monitor how developers use AI coding assistants during a session

    TypeScript 1

  6. VisionTransformer VisionTransformer Public

    From-scratch PyTorch implementation of SigLIP — Vision Transformer pretrained on CC3M with sigmoid contrastive loss and a BERT text encoder.

    Python 2