Custom eCommerceMarketplaceAI / MLSaaS

D2C eCommerce Marketplace Platform

Enterprise client

500+

seller-consumer connections at scale

Madgeek built Mozaicq, a direct-to-consumer aggregator marketplace designed to connect sellers and buyers at scale. The platform handles high-volume transactions with serverless infrastructure, GraphQL data management, and AWS AI image security. Delivered capabilities include personalized product recommendations, inventory management, streamlined checkout, and a review and rating system.

Why building a D2C marketplace is different from building a store

A D2C marketplace is not a single-brand storefront. It connects independent sellers directly with consumers, handling multi-vendor catalogs, individual seller dashboards, split payments, and platform-level analytics — all while keeping the buyer experience cohesive. The client needed a platform that could onboard sellers quickly, handle high transaction volumes, and give both sides real-time visibility into their business.

What did the marketplace platform need to handle?

Multi-vendor seller onboarding with individual storefronts, product management, and order fulfilment tracking
Buyer experience that feels unified across sellers — search, cart, and checkout work across the full catalog
Split payment processing: buyer pays once, platform distributes to individual sellers minus commission
Serverless infrastructure designed for variable traffic — scaling automatically during peak demand without provisioning overhead
GraphQL API layer for flexible data queries across web and mobile clients
Real-time analytics for sellers (sales, returns, inventory) and platform operators (GMV, take rate, seller health)

How the marketplace platform works

Seller onboarding and management

Sellers register, submit verification documents, and configure their storefront through a self-service portal. Product listings are created with structured data — categories, attributes, pricing, inventory levels — and go through a platform review before going live. Sellers manage their own orders, returns, and customer communication.

Unified buyer experience

Buyers browse a single catalog that aggregates products from all active sellers. Search, filtering, and recommendations work across the full product set. Cart and checkout handle multi-seller orders in a single transaction, splitting fulfilment across sellers while presenting a unified experience to the buyer.

Serverless infrastructure

The platform runs on serverless architecture — AWS Lambda, API Gateway, and DynamoDB — scaling automatically with traffic. During promotional events or viral moments, the infrastructure handles traffic spikes without pre-provisioning. Operational overhead stays low because there are no servers to manage.

GraphQL API

A GraphQL API layer serves both web and mobile clients. Instead of multiple REST endpoints returning fixed data shapes, the GraphQL API lets each client request exactly the data it needs. This reduced API round-trips and improved page load performance across devices.

The result: 500+ seller-consumer connections at scale

500+ seller-consumer connections operating on the platform with serverless infrastructure handling variable demand and real-time analytics for both sellers and platform operators.

Seller onboarding — from registration to first live product — runs through self-service workflows without manual platform intervention. The serverless architecture means the platform scales with demand without capacity planning or infrastructure management.