Wix Engineering Blog

At Wix, our Data Warehouse (DWH) is a massive repository of insights. Built on Amazon S3 using Apache iceberg table format , and populated by Trino and Spark jobs, it houses petabytes of data—from user segmentation and logs to AI chat analytics. However, storage is only half the battle. The real challenge—and the "holy grail" for many data engineering teams—is Activation : taking that petabyte-scale data and exposing it to backend microservices with millisecond latency, high

A Year of Building at Scale: Inside Wix Engineering During 2025, Wix Engineering shared deep dives, playbooks, and real-world lessons from building and operating one of the largest web platforms in the world. These stories don't start as content. They start as engineering challenges - some of the most complex, high-scale, and unforgiving challenges modern software teams face. Problems that emerge only when thousands of developers, hundreds of teams, and hundreds of millions o

Microservices Reliability Playbook, 2025: You can find the link to download the full PDF at the bottom of this post The Microservices...