nuspect
E-CommerceNDA

Building a Real-Time Marketplace Intelligence Extension

The client needed a lightweight browser extension capable of displaying real-time advertising and competitor analytics directly on marketplace pages while processing rapidly changing marketplace data at scale.

All work1 month
THE OUTCOME

What it moved

50,000+ TPS
Transaction throughput
8 months
Time to market
99.99%
Uptime
12
Markets launched
THE CHALLENGE

The client needed a lightweight browser extension capable of displaying real-time advertising and competitor analytics directly on marketplace pages while processing rapidly changing marketplace data at scale.

THE SOLUTION

We developed a browser extension backed by a scalable analytics platform that aggregates marketplace signals, processes them in near real time, and surfaces actionable insights directly within the marketplace interface.

The Challenge

A marketplace analytics company needed a browser extension that would surface real-time advertising and sales intelligence directly inside marketplace product and search pages.

The main challenge was building a system capable of collecting, processing, and delivering constantly changing marketplace data — including advertising bids, search rankings, inventory levels, pricing, and estimated sales velocity — without impacting page performance or requiring users to leave the marketplace interface.

The Architecture

A lightweight browser extension injects contextual analytics directly into marketplace pages.

Instead of forcing users to switch between dashboards and marketplace pages, the extension augments existing interfaces with:

live advertising metrics; search position tracking; competitor sales estimates; inventory insights; pricing intelligence.

The Outcome

A scalable marketplace intelligence platform capable of serving thousands of concurrent users with near real-time insights, enabling sellers to make faster pricing, advertising, and inventory decisions directly within their existing workflow.

STACK

What we built it with

TypeScriptReactViteManifest v3