Fliply, E-commerce
Second-hand marketplace for Luxembourg, web and app in 7 languages
Second-hand marketplace for Luxembourg, with web, iOS and Android apps, real-time chat and AI, in seven languages. In production and growing organically.

Context
Fliply is a second-hand marketplace designed for Luxembourg and its cross-border life. For Fliply we build and operate everything, from the web and the iOS and Android apps to the real-time chat and the infrastructure.
The challenge
A marketplace is one of the hardest things to launch. You have to attract both sides at once, build trust between strangers, moderate, chat in real time and comply with GDPR without shortcuts. In Luxembourg several languages share the same screen. And all of it on a startup budget with no marketing spend.
The work
- 01Web in Next.js with technical SEO and indexing in seven languages (German, English, Spanish, French, Italian, Luxembourgish and Portuguese).
- 02iOS and Android app in React Native with camera publishing, favourites and push notifications.
- 03Supabase for database, authentication, real time and storage with row-level access policies.
- 04AI to auto-fill the product listing from the photo and translate the chat between languages.
- 05Geolocated search, product analytics and continuous deployment to our Kubernetes cluster with tested backups.
Outcome
In production in Luxembourg. Web, iOS and Android apps and real-time chat running in seven languages. Users, listings and conversations grow month on month without any advertising spend, only through the web's organic ranking.
