Led full-stack development team of 8+ developers across React.js, Django, and Golang to build a comprehensive digital signage platform. The system supports over 1000+ screens with robust offline capabilities using WebSockets and IndexedDB.

Implemented MQTT authentication server securing IoT device connections over WebSockets, ensuring reliable communication between the platform and distributed hardware components. Built real-time synchronization system for content delivery and device management.

Architected scalable infrastructure to handle high-volume content distribution, real-time updates, and device monitoring. The platform provides comprehensive analytics and reporting capabilities for campaign performance and device health monitoring.