Shipped Systems

Real systems, verified results.

Engineering write-ups of systems we designed, built and shipped to production. Every metric on this page comes from a real client deployment.

Conversational Commerce
41 Sec order to paid
Shop-Floor & Management
-34% material wastage
iOS & Android Release
99.4% photo trust score
01Conversational CommerceLive in production

CityXmart: a 41-second WhatsApp checkout

Customers browse the catalogue, fill a cart and pay by UPI without leaving WhatsApp. The store owner gets an alert the moment an order is paid.

  • Product catalogue and cart inside the chat
  • UPI payment reconciliation via bank webhooks
  • Owner alerts and human handoff for edge cases
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CityXmart: a 41-second WhatsApp checkout
Order to paid
41 Sec
App install
0 MB

StackMeta WhatsApp Business API / UPI webhooks / Node.js / PostgreSQL

02Shop-Floor & ManagementOpened every morning

Jaipur garment ERP: six logbooks, one dashboard

A garment manufacturer in Jaipur replaced six paper logbooks with one system for job cards, inventory and GST-ready invoicing, used on 10-inch tablets on the shop floor.

  • Tablet-first job cards built for the shop floor
  • Real-time inventory across units
  • GST-ready invoices sent straight to accounting
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Jaipur garment ERP: six logbooks, one dashboard
Material wastage
-34%
Logbooks replaced
6

StackNext.js / TypeScript / PostgreSQL / Tablet UI

03iOS & Android ReleaseLive in both stores

Saymico & Parpple: dating apps, shipped end to end

Two consumer dating apps taken from design to the App Store and Google Play: matching, AI photo verification, real-time chat and a moderation console.

  • AI liveness check against profile photos
  • Real-time chat with moderation tools
  • Approved on first store submission
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Saymico & Parpple: dating apps, shipped end to end
Photo trust score
99.4%
Store approval
1st Submission

StackReact Native / Node.js / WebSockets / AI verification

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Written scope
Within 24 hours
Pricing
Fixed per milestone
Ownership
100% of code and IP