Scaling Slack’s Mobile Codebases: Modularization
In the first post about the Duplo initiative, we discussed the reasons for launching a project to revamp Slack’s mobile codebases, and what we accompl…
Applying Product Thinking to Slack’s Internal Compute Platform
According to a recent Thoughtworks radar, “the industry is increasingly gaining experience with platform engineering product teams that create and sup…
Balancing Safety and Velocity in CI/CD at Slack
A story of evolving socio-technical workflows that increased developer velocity and redefined confident testing and deploy workflows at Slack.
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 operationalized a self-driving Kafka cluster over t…
Stabilize, Modularize, Modernize: Scaling Slack’s Mobile Codebases
Part I: Stabilization
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 …
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…
The Case of the Recursive Resolvers
What Happened During Slack’s DNSSEC Rollout