[POS and Ledger App for Building Materials Shops](https://freelancer.com/projects/web-development/po

[POS and Ledger App for Building Materials Shops](https://freelancer.com/projects/web-development/pos-ledger-app-for-building.html) I run two building-material shops (sand, bricks, cement, steel/TMT) in Delhi NCR. I need a reliable POS and ledger app for daily use at the counter. The data of both shops will be separate. IMPORTANT: I already have a working, tested prototype (a single HTML file, about 1,500 lines of plain JavaScript) and a full written specification of every screen, flow and business rule. This is NOT a from-scratch build. You will turn the prototype into a proper, reliable app. I will share the prototype and the spec after we talk. What the app does (already in the prototype): - Fast 5-step sale flow: choose items (with search), quantity/rate, customer, payment, delive...