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Slack Engineering
Stabilize, Modularize, Modernize: Scaling Slack’s Mobile Codebases
@Tracy Stampfli@Bryan Stern

Stabilize, Modularize, Modernize: Scaling Slack’s Mobile Codebases

Part I: Stabilization
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A Simple Kubernetes Admission Webhook
@Clément Labbe

A Simple Kubernetes Admission Webhook

While adding a recent feature to our Kubernetes compute platform, we had the need to mutate newly-created pods based on annotations set by users. The …
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Going from Coder to Slack Engineer
@Tejas Mehta

Going from Coder to Slack Engineer

Over 70% of the files uploaded on Slack are images, and over 75% of those images are screenshots. What this tells us is that though images are ephemer…
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The Case of the Recursive Resolvers
@Rafael Elvira@Laura Nolan

The Case of the Recursive Resolvers

What Happened During Slack’s DNSSEC Rollout
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Developing in the Open
@Zac Sweers

Developing in the Open

We use plenty of open source tools at Slack and we've benefited immensely from the wider Android, Kotlin, and Gradle communities. We also try to be go…
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How Two Interns Are Helping Secure Millions of Lines of Code

How Two Interns Are Helping Secure Millions of Lines of Code

How do we find security vulnerabilities at Slack? 
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Building the Next Evolution of Cloud Networks at Slack – A Retrospective
@Archie Gunasekara

Building the Next Evolution of Cloud Networks at Slack – A Retrospective

Discussing what we've learnt and improvements we've made since we built a new network architecture at Slack
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Infrastructure Observability for Changing the Spend Curve
@Frank Chen

Infrastructure Observability for Changing the Spend Curve

A deep dive on how we crafted an order of magnitude change in our spend (10x reduction compared to baseline growth) over the last two years with iterative understanding and changes in Slack’s Continuous Integration (CI) infrastructure.
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What We Learned from Building GovSlack

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