Taking PHP Seriously
Slack uses PHP for most of its server-side application logic, which is an unusual choice these days. Why did we choose to build a new project in this …
Personalized channel recommendations in Slack
Public channels provide much of Slack’s advantages over email: they are searchable, long-lasting, themed conversations that are easy to join and leave…
The Slack Internship
A reflection on what I learned as a Slack intern.
Data Consistency Checks
Databases. They are the single source of truth for our most critical business data, yet as engineers we tend to overlook tooling with this in mind.
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Getting to Slack faster with incremental boot
At Slack, we’re on a mission to make people’s working lives simpler, more pleasant, and more productive — improving the performance of our products fa…
Making Slack Feel Like Slack
Our plans for deduplicating client code and improving edge caching
Calls: Is it you or is it me?
Slack Calls are now in beta, on Mac, Windows, iOS, Android and Chrome. If you haven’t given it a try yet, please do (and let us know how it goes)! Our…
A Walkthrough Guide to Finding an Engineering Job at Slack
Interviews, eh? Horrid, stressful ordeals that fly by in a sweaty mess and then linger long in the memory. Or, at least, that’s the traditional model.…