https://gurkanucar.com/tags/system-design/ Recent content in System Design on Gürkan UÇAR Hugo en-US Sat, 08 Aug 2026 10:00:00 +0300 https://gurkanucar.com/posts/async-email-sending-system-design/ Sat, 08 Aug 2026 10:00:00 +0300 https://gurkanucar.com/posts/async-email-sending-system-design/ How to design an async email system that does not tie your workflow to the provider, while handling duplicate sends and silent losses: atomic enqueue, idempotent claim, stuck-job recovery, retry and retention.