Blocking Slack Invite Spam With Machine Learning
A case study in leveraging machine learning
All Hands on Deck
What does Slack do when Slack goes down?
A Terrible, Horrible, No-Good, Very Bad Day at Slack
On May 12, 2020, Slack had our first significant outage in a long time. This is a detailed look into the technical issues that caused it.
The App Sandbox
What is the "app sandbox," what is it protecting against, and why does it matter?
Scaling End-to-End User Interface Tests
At Slack, Quality is a shared responsibility. The Quality Engineering team is focused on creating a culture of testing, increasing test coverage, and …
Prototyping at Slack
Over the years at Slack — usually during periods of high growth — teams have defaulted to working in a waterfall where an idea is proposed and researc…
A Day in the Life of a Frontend Foundations Engineer at Slack
6:28 am
First alarm rings. Snooze.
6:30 am
Second alarm rings. Snooze.
6:34 am
Final alarm rings and I know this is the last one, so I hop out of…
Happiness is… a freshly organized codebase
Starting From the Top
Imagine joining a new team at a new company and you finally get access to a codebase.
Slack iOS Xcode File Hierarchy 2017
Whe…