A highly scalable, cloud-based real-time auction platform written in Go, which I established and led as R&D Tech Lead at ironSource. Architected for massive scale on AWS and GCP, handling ~50 billion requests and generating $1M+ in daily revenue, with end-to-end observability in Datadog and PagerDuty and performance improvements shipped every week. The same engineering standards go into every backend I build for clients.
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Meta ads account review for a massage and cupping center in Gaza that books through WhatsApp, Messenger and Instagram. The audit found Reels and Stories conversations cost about $0.63 vs. $0.15 on the Facebook Feed, two ad sets with the same targeting were competing in the auction, and almost a third of the budget went to a visits campaign. Limited placements to Feed, paused weak ads, moved spend to messaging campaigns and set up an A/B test on age. Early result: CPM down about 27% and CTR up from 6.1% to 7%.
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