Access-first authentication infrastructure for secure, real-time QR-based authorization using device-bound cryptographic keys.

AI-powered medical appointment & pre-diagnosis kiosk system — neural network triage (85% accuracy), 30-second QR booking, offline-first deployment, and clinic schedule optimization. R&D project at Tyumen Industrial University.

AI-powered automated checkout system using YOLO11 object detection and face recognition to eliminate queues and reduce checkout times at retail facilities

A Node.js backend service designed to bridge standard RESTful APIs with WhatsApp Web. This application provides a scalable, stateful, and modular solution for programmatically sending messages, managing sessions, and handling real-time authentication via WebSockets.

This project integrates WhatsApp messaging using the Baileys API. It allows users to connect a WhatsApp account via QR code and send messages programmatically. The system manages sessions and provides basic message-sending functionality through a custom interface

Smart, scalable access control system with QR authentication, role-based access control, and face recognition, designed for campuses and secure environments.