Several People Are Coding

A picture is worth a thousand words; a prototype is worth a thousand meetings.

Starting From the Top

How Slack’s development environments have evolved over time.

6:45 am

How and why Slack migrated to Hack, the benefits it gave us, and things to consider for your own codebase.

*Prior to the COVID-19 outbreak and our current shelter in place orders in San Francisco.

Deploys require a careful balance of speed and reliability.

We want to catch revolutions at the right time, while limiting the energy we spend chasing fads. What strategy can we follow to ensure…

This is the second in a series of posts describing the everyday life of Engineers in different parts of Slack’s ecosystem.

For two years we’ve been running Airflow 1.8, and it was time for us to catch up. Here’s how we did it without impacting 700B daily records.

Introducing Nebula, an open source scalable overlay networking tool with a focus on performance, simplicity and security.

This is the first in a series of posts describing the everyday life of Engineers in different parts of Slack’s ecosystem.

Our quest to streamline product development, improve productivity, and automatically adopt best performance practices on the frontend.

Two years ago, I wrote a post about Libslack, Slack’s shared C++ client library. That post described how Slack used the Libslack library…

More than just CSS, dark mode represents a new way of thinking about color and styles at Slack.

Building shared channels challenged Slack’s fundamental assumption that the workspace is the atomic unit of partitioning customer data.

A group of engineers, designers, and writers began to centralize and standardize components. We named it Slack Kit.

Detecting vulnerabilities in Javascript/npm packages with daily scans/

Using a CDN-cached HTML file, a persisted Redux store, and a Service Worker, we reduced Slack boot time by more than 50%.

What does it mean to design for thumbs?

If entire racks of servers let out the blue smoke…

by Mark Christian and Johnny Rodgers

Shipping features with confidence and finding bottlenecks before our users do