A Customer Relationship Management (CRM) System helps businesses manage customers, leads, sales opportunities, follow-ups, and communication in one place. It is widely used by sales teams, startups, banks, insurance companies, and enterprise organizations.
Building a CRM System demonstrates advanced full-stack development skills including authentication, role-based access, dashboards, reporting, notifications, and workflow automation.
๐ฏ Project Goal
Build a CRM System where users can:
๐ค Register and log in
๐ฅ Manage customers and leads
๐ Track interactions
๐ผ Manage sales opportunities
๐ Schedule follow-ups
๐ View sales dashboards
๐ Generate reports
๐ฑ Access the application from any device
๐ Technologies Used
Frontend
HTML5
CSS3
JavaScript
React
Backend
Node.js
Express.js
Database
PostgreSQL or MongoDB
Authentication
JWT
bcrypt
Deployment
Vercel (Frontend)
Render/Railway (Backend)
PostgreSQL/MongoDB Atlas
๐ Project Folder Structure
crm-system/
โ
โโโ client/
โ โโโ components/
โ โโโ pages/
โ โโโ dashboard/
โ โโโ services/
โ โโโ App.js
โ โโโ index.js
โ
โโโ server/
โ โโโ routes/
โ โโโ controllers/
โ โโโ models/
โ โโโ middleware/
โ โโโ utils/
โ โโโ server.js
โ
โโโ README.md
๐จ Application Flow
Login
โ
โผ
Dashboard
โ
โผ
Add Lead
โ
โผ
Assign Sales Representative
โ
โผ
Track Follow-ups
โ
โผ
Convert Lead
โ
โผ
Generate Reports
๐ Features
โ User Authentication
Support multiple roles:
๐ Admin
๐จโ๐ผ Sales Manager
๐จโ๐ป Sales Executive
Example API Routes
POST /api/auth/register
POST /api/auth/login
โ Lead Management
Store:
Lead Name
Company
Phone Number
Source
Status
Assigned Employee
Example Object
const lead = {
name: "John Smith",
company: "ABC Ltd",
email: "john@example.com",
status: "New"
};โ Customer Management
Maintain customer information:
Name
Contact Details
Company
Address
Purchase History
Notes
Users can:
Add customers
Edit customer details
Delete customers
Search customers
โ Sales Pipeline
Track opportunities through different stages:
New Lead
Contacted
Qualified
Proposal Sent
Negotiation
Won
Lost
Display pipeline progress visually.
โ Follow-up Management
Users can:
Schedule follow-up calls
Schedule meetings
Add reminders
Record interaction notes
โ Task Management
Create and assign tasks such as:
Call Customer
Send Proposal
Arrange Demo
Follow Up
Close Deal
Track task status:
Pending
In Progress
Completed
โ Dashboard
Display:
Total Customers
Total Leads
Deals Won
Deals Lost
Monthly Revenue
Sales Performance
Upcoming Follow-ups
โ Reports
Generate reports for:
Sales Performance
Lead Conversion Rate
Employee Performance
Revenue
Customer Growth
Support PDF and Excel export.
โ Notifications
Notify users about:
Upcoming follow-ups
New lead assignments
Deal status changes
Overdue tasks
Customer activity
๐จ CSS Example
.lead-card{
border:1px solid #ddd;
padding:20px;
border-radius:10px;
margin-bottom:20px;
}๐ฑ Responsive Design
@media(max-width:768px){
.lead-card{
width:100%;
}
}