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Case Study

Zintly

Full-stack printing platform connecting customers with print vendors. Real-time order tracking, file upload processing, vendor management, and automated pricing engine.

ReactNode.jsMongoDBGraphQLAWS

Real-time WebSocket order tracking

Multi-vendor pricing in <200ms

Print-ready file validation pipeline

The Problem.

The custom printing industry relies on manual quoting, phone calls, and email chains. Customers can't easily compare vendors or track orders in real time.

Architecture.

01

React frontend with real-time order status updates via WebSocket

02

Node.js + GraphQL API with role-based access (customer/vendor/admin)

03

MongoDB for flexible order schemas across different print types

04

AWS S3 for file uploads with automatic format validation

05

Automated pricing engine with vendor-specific rate cards

06

Admin dashboard for vendor management and analytics

Technical Challenges.

Pricing engine needed to handle wildly different rate structures across vendors — built a rule-based system with vendor-specific configurations

File upload processing required validating print-ready formats (CMYK, bleed, resolution) before sending to vendors

Real-time order tracking required WebSocket integration across customer and vendor dashboards with role-based visibility

Results.

  • Real-time order tracking from placement to delivery
  • Automated pricing eliminates manual quoting delays
  • Vendor management system handles multi-vendor workflows

Interested in building something similar?

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