How ClusterDen runs a multi-tenant CRM with built-in WhatsApp automation.
A MERN-stack CRM workspace with advanced Role-Based Access Control (RBAC), real-time team collaboration via Socket.io, and automated WhatsApp integrations for customer communication.
IndustryB2B SaaS
Websiteclusterden.com
Overview
ClusterDen needed a CRM that could host multiple teams under a single roof, each with their own pipelines, agents, and permissions, without the operational tax of running separate apps. We built a workspace where role boundaries are enforced at every layer of the stack, and where the path from a new lead to a sent WhatsApp message is measured in seconds.
What we built
- Multi-tenant CRM with role-based access: Admin, Manager, and Agent roles with granular permissions
- Real-time team collaboration using Socket.io for live updates on customer interactions
- Automated WhatsApp messaging via WhatsApp Business API webhooks for lead nurturing
- Redis-powered job queues for high-throughput message scheduling
- Custom analytics dashboard with interaction history, conversion funnels, and team performance
Tech stack
ReactNode.jsMongoDBSocket.ioRedisWhatsApp Business APIJWT AuthREST API
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