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kimblewick/README.md

Raj Kavathekar

ML/AI Engineer · MS Computer Science @ Northeastern University (GPA: 3.84)

I build machine learning systems that solve real problems — from spatiotemporal CNNs for live soccer analytics to full-stack AI applications on AWS serverless infrastructure. Currently focused on NLP, computer vision, and deploying ML at scale.


What I'm Working On

  • Context-Aware Toxicity Detection — NLP research using game state features (player deaths, win/loss, performance metrics) alongside chat text to improve toxicity classification in multiplayer games. Fine-tuning transformer models on ToxBuster and CONDA datasets.
  • CodeFlow — A VS Code extension for Blueprint-style visual code flow visualization, combining AST parsing (tree-sitter + TypeScript Compiler API) with interactive graph rendering (React Flow + elkjs).

Featured Work

Project What It Does Tech
Tennis Prediction Model Predicts ATP match outcomes using 40 years of data with ELO ratings, H2H stats, and rolling metrics. ~70% accuracy with XGBoost. Python, Scikit-learn, XGBoost
MiraAI AI astrology chatbot with birth chart generation, deployed on AWS serverless (CloudFront, Cognito, API Gateway, Lambda, DynamoDB, Bedrock) with Terraform IaC. React, AWS, Terraform
AR Pong Augmented reality pong on any flat surface using chessboard pose estimation and real-time hand tracking. Python, OpenCV, MediaPipe
Beaver's Day Out Sokoban puzzle game with infinite procedurally generated levels, verified solvable via BFS. Java

Experience

Most recently: AI Engineer @ EasyChamp — built spatiotemporal CNN models for soccer action classification (80.5% CV accuracy, 87% test) and a real-time video analytics pipeline using PyTorch, RF-DETR, SAM, and ONNX.

Tech I Use

ML/AI: PyTorch · TensorFlow · OpenCV · Scikit-learn · ONNX · Ultralytics · LangChain · Hugging Face
Cloud & Infra: AWS (Lambda, DynamoDB, Bedrock, Cognito, API Gateway, CloudFront, S3) · Terraform · Docker · Kubernetes
Languages: Python · Java · C++ · JavaScript · SQL
Web: React · Node.js · Flask · Django


LinkedIn · rajkavathekar25@gmail.com

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  1. Tennis-Prediction-Model Tennis-Prediction-Model Public

    Men's Singles Tennis Prediction Model reaching ~70% accuracy.

    Python

  2. MiraAI MiraAI Public

    Full-stack AI chatbot on AWS serverless (CloudFront, Cognito, API Gateway, Lambda, DynamoDB, Bedrock) with Terraform IaC.

    JavaScript

  3. AR_Pong AR_Pong Public

    Augmented reality single player pong game using hand tracking.

    Python

  4. Sokoban_Game Sokoban_Game Public

    Beaver's Day Out is an endless Sokoban (box puzzle game) where you play as Justin Beaver to push logs. The entire game was made by me in Java along with the sprites.

    Java