List Classifieds Marketplace Case Study

Client

List is a national classifieds platform in Armenia that brings together private sellers, buyers, local businesses, service companies, and stores. People use it to sell and find real estate, cars, electronics, home goods, services, jobs, and much more, and some items can be purchased with delivery. For List, it is essential that users quickly find what they need within a very deep category structure, both on the web and in the mobile app.

Challenges

The goal was to build not just a classifieds board but a full-fledged marketplace where private and commercial sellers, business pages, delivery, user-to-user communication, and mechanics that bring people back to the platform all work side by side.

The audience includes private sellers and buyers, car owners and car dealers, small and medium-sized businesses, service companies and professionals, and active smartphone users.

Fast navigation through a large catalog: many verticals with deeply nested categories.
Trust between buyer and seller: a clear listing page, trust markers, and direct contact.
Tools for sellers: managing listings, sales, and paid promotion.
User retention: favorites, saved searches, and game mechanics.

Solution

One taxonomy, two ways to navigate. On the web, the category tree is implemented as a cascading menu with deep levels (for example, down to passenger cars or commercial real estate); in the app, as a compact hierarchical list with icons.
Filters for each vertical. A catalog with filters, sorting, and saved searches. For cars: make, model, mileage, transmission, customs clearance, VIN availability, and “dealer,” “super price,” and “urgent” markers; specifications are normalized for easy comparison.
Listing page and chat. Gallery, price, specifications, seller profile with rating, “Call” and “Message” buttons, and recommended listings. In the chat, buyers can see when a seller rarely replies and get a suggestion to call instead.
Seller account and paid promotion. The full listing lifecycle, from draft to moderation and the “active,” “inactive,” and “rejected” statuses; purchases, sales, reviews, and a wallet. Paid options: bump to top, homepage placement, and highlight badge.
Games built on real listings. A mobile Games section with the mini-games Guess the Car Brand, Cheaper or Not, and Memory Match, plus a weekly leaderboard, levels, and badges, giving users a reason to come back to the app regularly.

Results

Built the List web portal and mobile app for private and commercial sellers.
The deep category structure is easy to use on both desktop and smartphone.
Sellers manage listings, sales, and promotion from a single account.
Buyers contact sellers by phone or in-app chat directly from the listing page.
Delivery, business pages, and the gamification module expand the platform from a classifieds board into a marketplace.

Technical details

Platform: web built with React, Next.js, and TypeScript; iOS and Android app built with React Native; REST API, full-text search, Redis caching of the category tree, push notifications.
Integrations: Buy with Delivery and List Delivery modules, analytics of user activity and listing performance.

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