A deep dive into the technology behind building Slack. Written by engineers, for engineers passionate about solving complex technical problems.
Visit slack.engineering → RSS feedOn Hacker News Oct 2016 – Jan 2025
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webpack is a brilliant tool for bundling frontend assets. When things start to slow down, though, its batteries-included nature and the ocean of third-party tooling can make it difficult to optimize. Poor performance is the norm and not the exception. But it doesn’t have to be that way, and so — after many hours of…
Did you know that ground stations transmit signals to satellites 22,236 miles above the equator in geostationary orbits, and that those signals are then beamed down to the entire North American subcontinent? Satellite radios today serve hundreds of channels across 9,540,000 square miles. Unless you’re working at a…
Recently Slack on the desktop has been going through an awkward adolescence. Instead of flailing limbs and pitch squeaks, ours has manifested in ways rather more grim: inexplicably failing to render content, reloading during common operations, and error screens that aren’t actionable. The only silver lining has been…
At Slack, customer love is our first priority and accessibility is a core tenet of customer trust. We have our own Slack Accessibility Standards that product teams follow to guarantee their features are compliant with Web Content Accessibility Guidelines (WCAG). Our dedicated accessibility team supports developers in…