Custom eCommerceMarketplaceSaaSCloud Platform

Community Classified Ads Marketplace

Curiouscat Technologies Pvt. Ltd.

Multi-tier

platform with buyer, seller, and admin layers delivered end-to-end

Curiouscat Technologies needed a full-stack classified ads marketplace that could handle complex multi-tier accounting, real-time seller dashboards, and secure payment flows — all built for users who were not technically sophisticated. Madgeek delivered an end-to-end cloud-based platform with buyer apps, seller shop dashboards, admin controls, integrated payment gateways, real-time chat, and built-in SEO tooling. The result was a scalable marketplace architecture capable of supporting extensive product categorization and growing transaction volume without rebuilding the core.

Why classified marketplaces are harder than they look

A classified ads marketplace looks simple on the surface — buyers browse, sellers list, transactions happen. In practice, the platform needs to handle multi-tier accounting (platform fees, seller payouts, escrow), trust and safety (fraud detection, listing moderation, dispute resolution), and three distinct user experiences (buyers, sellers, and platform administrators) — all while remaining simple enough for non-technical users to operate.

What did the classified marketplace need to handle?

Three-tier user system: buyers, sellers, and platform administrators — each with distinct dashboards and capabilities
Multi-tier accounting: platform commission, seller payouts, escrow for pending transactions, and refund handling
Listing management with moderation: sellers create listings, platform reviews before publishing, buyers browse approved listings
Secure payment flows with escrow: buyer payment is held until delivery confirmation, then released to seller minus platform commission
Real-time seller dashboards showing active listings, pending orders, earnings, and payout history
Search and discovery optimised for classified ads: location-based, category filtering, and recency sorting

How the classified marketplace works

Seller experience

Sellers create listings with structured data — category, description, pricing, photos, location. Listings go through platform moderation before going live. Once published, sellers manage their listings, respond to buyer inquiries, and fulfil orders through a dedicated dashboard. Real-time metrics show views, inquiries, and conversion rates per listing.

Buyer experience

Buyers browse listings by category, location, and recency. Search is optimised for classified ads patterns — buyers typically know what they want and where they want it. Secure messaging connects buyers with sellers without exposing personal contact information. Payment is processed through the platform with escrow protection.

Multi-tier accounting

The financial engine handles the full transaction lifecycle: buyer payment, escrow hold, delivery confirmation, seller payout minus platform commission, and refund processing for disputed or cancelled transactions. Every transaction has a complete audit trail.

Platform administration

Administrators manage listing moderation, user disputes, payout processing, and platform-wide analytics. Moderation tools include automated flagging for suspicious listings and manual review queues. Financial dashboards show platform revenue, transaction volumes, and seller payout status.

The result: multi-tier marketplace delivered end-to-end

Multi-tier platform with buyer, seller, and admin layers delivered end-to-end. The marketplace handles the full transaction lifecycle from listing creation through moderation, discovery, purchase, escrow, and seller payout.

Non-technical users — both sellers and platform operators — manage their side of the marketplace through purpose-built dashboards without engineering support.