Full-stack online coding assessment platform supporting live coding tests and MCQ evaluations. Built the backend with Node.js & Express, integrated Judge0 API for secure, sandboxed multi-language code execution, and implemented anti-cheating measures including proctoring, fullscreen enforcement, and clipboard restrictions. Optimized file handling with AWS S3 pre-signed URLs for scalable storage.

Client-commissioned verification platform engineered to streamline identity and document verification workflows. Built as a production SaaS with end-to-end document upload, automated validation pipelines, and a clean admin dashboard for managing verification requests — designed for reliability and quick turnaround on real-world compliance needs.

Open-source Node.js CLI tool that automatically organizes files by type, date, or custom rules. Published on NPM with 200+ downloads. Processes 1000+ files efficiently using async I/O streams, achieving a 40% performance improvement through batched operations and optimized directory traversal.

AI-powered agriculture web app that detects plant diseases from leaf images using a ResNet-50 CNN model with 92% accuracy. Features a Flask REST API backend with MongoDB, multilingual interface support, AWS EC2 deployment, offline-capable Android companion app, an agriculture chatbot for farmer assistance, and heatmap-based disease visualization.

Machine learning pipeline for early heart disease detection achieving 94% accuracy. Used XGBoost with SMOTE-ENN resampling to handle class imbalance, and applied systematic feature engineering and hyperparameter tuning via grid search to maximize prediction reliability.