Projects

Comprehensive international logistics management system for efficient shipment, driver, vehicle, package, payment and user administration

• Complete shipment, driver, vehicle and package management system
• Multi-method payment processing (PayPal, Card, Cash, Transfer)
• JWT-based authentication system with secure user management

Intelligent Telegram bot that generates categorized message summaries for community chats, organizing content into links, wallets, finances and general messages

• Automatic message categorization into Links, Wallets, Finance, and General
• 24-hour rolling summaries with intelligent content filtering
• 5-message limit per category to maintain concise summaries

Backend service for stress testing, load testing, and controlled failure injection into HTTP systems. Acts as an intelligent proxy that intercepts traffic and applies configurable chaos rules to discover breaking points and vulnerabilities before production.

• Chaos engineering with configurable latency, timeouts, outages, and intermittent failures
• Advanced stress testing: DDoS flood, Slowloris, HTTP flood, connection exhaustion
• Load testing modes: ramp, spike, stress, soak, and automatic breakpoint detection

Complete real estate management API for property listings, agents, visits, contracts, payments, and user administration with advanced filtering and search capabilities

• Comprehensive property, agent, and visit management system
• Payment processing and contract administration with secure workflows
• JWT-based authentication with role-based access control

Production-grade traffic shadowing and replay system for Node.js applications that duplicates requests to shadow services and compares responses to detect behavioral differences before deployments

• HTTP proxy middleware that forwards requests to primary upstream service
• Asynchronous shadow dispatch with strict timeouts to prevent impact on production
• Response comparison engine analyzing status codes, normalized bodies, and latency