diff --git a/README.md b/README.md
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+++ b/README.md
@@ -781,6 +781,7 @@ An updated and organized reading list for illustrating the patterns of scalable,
 * [Simone: Distributed Simulation Service at Netflix](https://medium.com/netflix-techblog/https-medium-com-netflix-techblog-simone-a-distributed-simulation-service-b2c85131ca1b)
 * [Seagull: Distributed System that Helps Running > 20 Million Tests Per Day at Yelp](https://engineeringblog.yelp.com/2017/04/how-yelp-runs-millions-of-tests-every-day.html)
 * [PriceAggregator: Intelligent System for Hotel Price Fetching (3 parts) at Agoda](https://medium.com/agoda-engineering/priceaggregator-an-intelligent-system-for-hotel-price-fetching-part-3-52acfc705081)
+* [Phoenix: Testing Platform (3 parts) at Tinder](https://medium.com/tinder-engineering/phoenix-tinders-testing-platform-part-iii-520728b9537)
 * [Hexagonal Architecture at Netflix](https://netflixtechblog.com/ready-for-changes-with-hexagonal-architecture-b315ec967749)
 * [Architecture of Play API Service at Netflix](https://qconsf.com/system/files/presentation-slides/qcon_netflix_play_api.pdf)
 * [Architecture of Sticker Services at LINE](https://www.slideshare.net/linecorp/architecture-sustaining-line-sticker-services)