CASE STUDY 02: HIGH-THROUGHPUT AD-EXCHANGE & ADTECH

Architecting Low-Latency Ad Retargeting at 1.5 Billion Monthly Impressions

  • Domain: Online Advertising / AdTech / Real-Time Bidding
  • Role: Technology Development Manager & Offshore Center Lead

The Challenge

A fast-growing UK/European ad-exchange needed to deploy real-time behavioral retargeting while managing escalating database licensing costs and scaling an offshore development center from the ground up.

The Solution

  • Designed and deployed a high-performance behavioral retargeting engine capable of evaluating user intent and serving bids within milliseconds.
  • Built and managed a 14-engineer offshore development center (ODC), instituting continuous deployment pipelines directly to cloud-hosted clusters.
  • Migrated core infrastructure from high-cost proprietary database engines to an open-source data tier using Mono .NET, MySQL, and ActiveMQ.

Technology Stack

  • Backend & Messaging: .NET / Mono .NET, ActiveMQ, REST APIs.
  • Data Tier & Cloud: MySQL, High-Concurrency Caching, Cloud Virtualized Hosting.

Business Impact

  • Massive Scale: Reliably processed over 1.5 Billion monthly ad impressions (CPM) with sub-second response times.
  • Cost Optimization: Slashed recurring enterprise database CAL licensing costs by migrating to an open-source data architecture.