// ARCHITECTURAL OVERVIEW
A multi-tenant B2B membership management platform built for gyms, clubs, studios, co-working spaces, and any subscription-based business. Features complete tenant isolation with Supabase super admin governance, real-time Google Sheets member database syncing, mobile QR check-in engine, Meta WhatsApp Cloud API reminder campaigns, and direct UPI payment links.
// ENGINEERING SPECIFICATIONS & SYSTEM DESIGN
01 / System Architecture & Data Topology
Full-stack multi-tenant B2B subscription and member operations SaaS built with Next.js, Supabase, and Tailwind CSS. Features isolated tenant schemas and super-admin platform governance.
02 / Technical Challenges & Performance Solutions
Real-time two-way synchronization between web interfaces and Google Sheets. Designed automated webhooks with Cloudflare Workers to sync member status and trigger Meta WhatsApp Cloud API renewal alerts.
03 / Security Model & Data Resilience
End-to-end tenant data isolation, dynamic UPI payment link generation (GPay, PhonePe, Paytm), and an on-site QR check-in scanner for real-time facility occupancy tracking.
// CORE CAPABILITIES & SYSTEM FEATURES
01.
Multi-Tenant Platform Governance: Super admin account management, subscription tracking, and tenant controls powered by Supabase.
02.
Google Sheets Two-Way Member Sync: Zero-lockin member operations synchronizing directly with each business's Google Sheet.
03.
Instant Mobile Turnstile & QR Check-in: Real-time QR and phone check-in engine with live occupancy counting.
04.
Automated WhatsApp Campaign Engine: Meta WhatsApp Cloud API integration dispatching payment reminders and renewal alerts.
05.
Direct UPI & Gateway Billing: Dynamic UPI deep links (GPay, PhonePe, Paytm) and automated billing funnels embedded in reminders.
06.
Universal Business Adaptation: Configurable tier structures and billing cycles tailored for any membership or subscription model.
// TECHNOLOGY COMPONENT STACK
Next.jsReactSupabaseGoogle Sheets APIMeta WhatsApp APICloudflare WorkersTailwind CSS
// PRODUCTION STANDARDS & QUALITY ASSURANCE
This project was engineered adhering to production-ready principles: modular component separation, comprehensive linting and typing guards, sub-100ms interaction latency, and rigorous offline fallback testing. Designed and deployed with clean documentation and reproducible environments.