Multi-app ERP/CRM digitizing a curtain showroom's workflow from walk-in to PDF quotation, in daily production use — sole backend developer for the REST API serving 5+ Flutter apps.
- Company
- Pragma Infotech
- Role
- Sole Backend Developer + Admin App Co-Developer
- Timeline
- Jun 2024 – Mar 2025 (~9 months)
01 · The problem
A curtain and fabric showroom managed its entire customer workflow manually — walk-ins, site measurements, quotations — leading to lost inquiries, inaccurate measurements, and slow turnarounds.
02 · What I built
The complete shared PHP Slim REST backend serving 5+ Flutter apps (admin, sales, architect, maintenance, customer) as the sole backend developer, and co-developed the admin app: inquiry management, product selection with images, site-visit measurements, estimates with discounts and labor charges, PDF quotation export, and OTA updates.
03 · The impact
In daily production use by the client — the showroom's entire workflow from customer walk-in to quotation delivery now runs through the system.
What I did
- Designed and built the complete shared PHP Slim REST backend serving 5+ Flutter apps — sole backend developer for the ecosystem.
- Co-developed the admin app: inquiries, product selection with images, measurements, estimates with discounts and labor charges, PDF quotations.
- Implemented OTA update capability for client-side app updates without Play Store redeployment.
- Built the re-selection flow handling customers changing product choices mid-process, re-triggering measurements and quotations.
- System in daily production use by the client.
Tech used
Click any technology to see the other projects I used it in.
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