Engineering High-Conversion Checkout Flows
We reduced checkout friction for a restaurant eCommerce platform by building a reusable offer URL system that auto-populates carts, applies coupons, and redirects users directly to checkout — eliminating unnecessary steps between marketing links and completed orders.
The Challenge
Key pain points and technical constraints that shaped the project scope.
Challenge 01
Multi-step checkout flow was causing significant drop-offs from paid campaign traffic
Challenge 02
Manual coupon entry led to user confusion and abandoned carts
Challenge 03
No mechanism to create reusable, trackable marketing links for campaigns
Challenge 04
Cart and coupon data was lost when unauthenticated users were redirected to login
Challenge 05
Existing coupon system lacked admin controls for inline creation during offer setup
Our Solution
The approach, architecture decisions, and implementation strategy we deployed.
Built server-rendered offer routes that validate, populate carts, and apply coupons in a single URL visit
Designed a session-based persistence layer that preserves cart and coupon data across login redirects
Created an admin interface for inline coupon creation during offer setup with conflict prevention
Integrated validation rules for coupon expiry, usage limits, and duplicate prevention
Implemented seamless Newebpay payment processing with direct checkout redirection
Tech Stack
Business Impact
- Reduced conversion friction from paid campaigns significantly
- Improved paid campaign ROI through direct-to-checkout links
- Created reusable marketing URLs for ongoing promotional use
- Increased average order value through strategic upsell integration
- Eliminated dependency on high-commission third-party platforms
Technical Deep Dive
Engineering Highlights
The architecture emphasizes clean separation between offer validation, cart management, and coupon processing. Session-based state persistence ensures zero data loss during authentication flows, while the admin tooling enables non-technical teams to create and manage offers independently.
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