Designed and developed a full-stack, multi-tenant customer support platform that unifies real-time live chat and outbound email campaigns into a single agent dashboard. Built for teams that measure support in seconds, the platform allows businesses to engage with visitors instantly via a drop-in chat widget and run targeted email campaigns from imported lead lists. Key Features & Technical Achievements: Real-Time Live Chat: Engineered a low-latency, WebSocket-driven (Socket.IO) chat architecture with live typing indicators and presence tracking, eliminating the need for polling. Embeddable Widget Architecture: Developed a secure, cross-domain widget that drops into any website with a single