diff --git a/README.md b/README.md
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@@ -699,6 +699,7 @@ An organized reading list for illustrating the patterns of scalable, reliable, a
 * [Architecture of League of Legends Client Update](https://technology.riotgames.com/news/architecture-league-client-update)
 * [Back-end at LinkedIn](https://engineering.linkedin.com/architecture/brief-history-scaling-linkedin)
 * [Back-end at Flickr](https://yahooeng.tumblr.com/post/157200523046/introducing-tripod-flickrs-backend-refactored)
+* [Infrastructure (3 parts) at Zendesk](https://medium.com/zendesk-engineering/the-history-of-infrastructure-at-zendesk-part-3-foundation-team-forming-and-evolving-9859e40f5390)
 * [Cloud Infrastructure at Grubhub](https://bytes.grubhub.com/cloud-infrastructure-at-grubhub-94db998a898a)
 * [Real-time Presence Platform at LinkedIn](https://engineering.linkedin.com/blog/2018/01/now-you-see-me--now-you-dont--linkedins-real-time-presence-platf)
 * [Settings Platform at LinkedIn](https://engineering.linkedin.com/blog/2019/05/building-member-trust-through-a-centralized-and-scalable-setting)