Slack Engineering
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Slack Engineering
@slack.engineering
We build Slack.

Read all about it https://slack.engineering
Instead of endlessly patching long-lived instances, Shipyard, our next-generation EC2 platform, treats infrastructure as deployable artifacts: immutable, progressively rolled out, and automatically replaced when they drift.

See how we did it in part three of our How We Run AWS EC2 at Slack series.
Shipyard: How We Built Slack’s Next-Generation EC2 Platform
Over the past few years, we’ve been on a journey to modernise how we run Amazon Elastic Compute Cloud (EC2) instances at Slack. In our first post, Advancing Our Chef Infrastructure, we shared how we…
slack.engineering
July 23, 2026 at 5:38 PM
Reposted by Slack Engineering
Slack now supports video unfurls cc @jimray.bsky.team
February 20, 2026 at 12:18 PM
Learn how our team built a proactive defense mechanism to automatically identify threat behaviors and respond in real-time.

Instead of waiting days or hours for human intervention, the Anomaly Event Response responds in minutes.
Building Slack’s Anomaly Event Response
Security should work while you do. By closing the gap between detection and response, we've neutralized the delay that traditionally favors attackers over defenders, empowering customers with automate...
slack.engineering
September 4, 2025 at 5:34 PM
Slack now runs the new Go-powered @typescriptlang.org checker in CI. Using the tool saves us over 5 minutes per run, meaning faster merges and happier developers.

Huge thanks to Anders, @jakebailey.dev, and everyone else on the project for the incredible performance gains.
ICYMI: TypeScript is now 10x faster!
June 19, 2025 at 5:51 PM
@support.bsky.team Hi! We've been trying to reach you about your car's extended warranty.

Actually, we need to authenticate our account and are trying to be clever about it.

Unfortunately, there's not a great way to fit 365460-deep-blue-ocean into a sentence. So, yeah.
May 22, 2025 at 6:25 AM
*tap tap tap*

Is this thing on?
November 19, 2024 at 7:35 PM