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Slack Engineering
Making Slack Faster By Being Lazy
@Scott Schiller

Making Slack Faster By Being Lazy

Software performance is like a series of card tricks: Do less up front. Be really lazy. Prepare in the background. Be one step ahead of …
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Data Wrangling at Slack
@Ronnie Chen@Diana Pojar

Data Wrangling at Slack

For a company like Slack that strives to be as data-driven as possible, understanding how our users use our product is essential. The Data Engineer…
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Syscall Auditing at Scale
@Ryan Huber

Syscall Auditing at Scale

If you are are an engineer whose organization uses Linux in production, I have two quick questions for you: 1) How many unique outbound TCP connect…
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What matters to you, matters to us.
@Ayesha Bose

What matters to you, matters to us.

Building small features to help our users do what they do in Slack.
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Building Hybrid Applications with Electron
@Anaïs Betts

Building Hybrid Applications with Electron

Today we’ve just shipped a new version of the Slack Desktop application for macOS. We built it with Electron, and, as a result, it’s faster, sports a …
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Mentorship at Slack
@Brenda Jin

Mentorship at Slack

How we support college-level interns
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Taking PHP Seriously
@Keith Adams

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 …
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Personalized channel recommendations in Slack
@Renaud Bourassa

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…
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