@Carlos Valdez@Frank Chen
Balancing Safety and Velocity in CI/CD at Slack
In 2021, we changed developer testing workflows for Webapp, Slack’s main monorepo, from predominantly testing…
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@Suman Karumuri@George Luong
Building Self-driving Kafka clusters using open source components
In this article, I will talk about how Slack uses Kafka, and how a small-but-mighty team built and…
@Tracy Stampfli@Bryan Stern
Stabilize, Modularize, Modernize: Scaling Slack’s Mobile Codebases
When do you need to overhaul a large code base to address tech debt? What is the best way to address widespread…
@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…
@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…
@Rafael Elvira@Laura Nolan
The Case of the Recursive Resolvers
On September 30th 2021, Slack had an outage that impacted less than 1% of our online user base, and lasted for…
@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,…
How Two Interns Are Helping Secure Millions of Lines of Code
At Slack, proactively securing our systems is a top priority. One way we achieve this is by automating the…
