EmmEEdu
Complex Web Applications & Cloud Software

Web Application Types & System Architectures

From multi-tenant B2B SaaS platforms and sales CRMs to real-time WebSocket chat and LMS course engines. Inspect data models, role-based security, and scaling models.

Cloud SoftwarePerformance: Fast

B2B Multi-Tenant SaaS Platform

Complete cloud software with team organization hierarchy, role-based access control (RBAC), subscription metering, audit logging, webhook integrations, and real-time dashboard analytics.

Frontend:Next.js + shadcn/ui + Tailwind
Backend:Next.js Server Actions + Node.js Workers
Database:PostgreSQL (Supabase / Neon)
View System Architecture Spec
Sales & OperationsPerformance: Smooth

Customer Relationship Management (CRM)

Data-dense enterprise interface with drag-and-drop Kanban deal boards, email sync, automatic lead scoring, activity timelines, and custom contact field builders.

Frontend:React + Next.js + dnd-kit
Backend:NestJS / Express API
Database:PostgreSQL + Elasticsearch
View System Architecture Spec
CommunicationPerformance: Sub-50ms

Team Collaboration & Real-Time Chat App

High-throughput messaging system with bi-directional WebSockets, presence detection (online/idle), message reactions, threaded discussions, read receipts, and push notifications.

Frontend:Next.js + Tailwind + Socket.io
Backend:Go / Node.js WebSocket Server
Database:PostgreSQL + Redis
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Education & EdTechPerformance: Adaptive

Learning Management System (LMS)

Full-featured EdTech platform with course video players, markdown lesson readers, coding exercises, student progress tracking, quizzes with automatic grading, and PDF certificates.

Frontend:Next.js + Tailwind + Monaco Editor
Backend:Node.js Server Actions + Mux
Database:PostgreSQL (Prisma)
View System Architecture Spec