Architected a distributed reservation engine capable of handling 50,000+ simultaneous bookings for a national travel platform without a single millisecond of downtime.
The client's legacy PHP system would crash every Friday at 10 AM when new bookings were released. SQL deadlocks were common, leading to significant revenue loss and customer frustration. The infrastructure couldn't scale horizontally, and manual server restarts were their only "automated" solution for high-traffic events.
We moved the core booking logic to a modern, event-driven microservices architecture.
The system handled the company's largest booking event in history (75k simultaneous users) with 100% uptime and average API response times of 120ms. Customer support complaints regarding "site crashes" dropped to zero, and the engineering team was finally able to sleep through the night on release days.
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