MERN · 2025
4Phones
Phone marketplace with search, trade-in quotes, and checkout- AOV uplift through better product discovery and a streamlined purchase path.
Impact
+18% AOV uplift
Duration
14 weeks
Region
🇬🇧 United Kingdom
[ Gallery ]
01
01 /
The Challenge
WhatsApp-and-spreadsheet operations capped revenue. The client needed self-serve browse-to-buy with filters and trade-in logic- the same PDP and cart problems Shopify merchants face at scale.
02
02 /
Our Role
Search/filter module and trade-in quote algorithm at a previous company- conversion-focused catalogue UX and checkout-adjacent flows.
03
03 /
The Outcome
Average order value increased 18%. Manual order processing dropped from 3 hours/day to under 20 minutes.
[ Technology ]
Stack & tools
we shipped with.
MongoDBExpressReactNode.jsStripeCloudinary
[ Delivered ]
What we
built.
01Product listing & search
02Advanced filters
03Cart & wishlist
04Secure checkout
05Trade-in flow
06Seller dashboard
[ Start your project ]