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Case Study
March 2, 2025 ยท 8 min read

How We Built a Custom POS System in 3 Weeks for a Cake Ingredients Shop

The Client

A cake ingredients retail shop in Sri Lanka was managing everything manually โ€” sales in a notebook, inventory by memory, and daily totals calculated by hand. Business was growing, but the systems couldn't keep up.

The Challenge

The owner came to us with three specific problems:

1. Inventory chaos โ€” No reliable way to know what was in stock

2. Slow billing โ€” Manual price lookups slowed down every sale

3. No reports โ€” Could not answer basic questions like "what was my best month?"

Our Approach

We spent the first 3 days understanding the business deeply:

  • How many products? (200+)
  • How many daily transactions? (50โ€“80)
  • Single cashier or multiple? (single, with owner oversight)
  • Budget? (fixed, under Rs. 75,000)

What We Built

Week 1 โ€” Foundation

  • React frontend with clean, fast UI
  • Node.js + MongoDB backend
  • Barcode scanner integration
  • Product catalog setup (200+ items)

Week 2 โ€” Core Features

  • Sales billing screen
  • Real-time inventory tracking
  • User authentication (owner + cashier roles)
  • Receipt printing

Week 3 โ€” Reports + Testing

  • Daily, weekly, monthly sales reports
  • Low stock alerts
  • Full testing with real transactions
  • Staff training (2 hours)

The Result

The system went live on Day 21. Within the first month:

  • Average billing time: 45 seconds (down from 4 minutes)
  • Inventory accuracy: 100%
  • Owner's monthly reporting time: 10 minutes (down from 2 days)

Want the Same for Your Business?

Every business is different. Contact us for a free consultation and we will design the right solution for you.