@SlackEng

We build @SlackHQ.

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slack.engineering
Joined August 2019
  • Tweets71
  • Following55
  • Followers6.1K
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A place for opportunities at Slack, blog posts about the engineering practice here, and other like-minded things. If you’re looking for product updates, you’ll need @slackhq, and for realtime information on service outages, @slackstatus. Platform updates are at @SlackAPI. Neato!
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Learn how our team built a proactive defense mechanism to automatically identify threat behaviors and respond in real-time. Instead of waiting days or hours for human intervention, the Anomaly Event Response responds in minutes. slack.engineering/building-s…

Building Slack’s Anomaly Event Response

Security should work while you do. By closing the gap between detection and response, we've neutralized the delay that traditionally favors attackers over defenders, empowering customers with...

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Slack Engineering retweeted
Javier Turégano@setoide6 Sep 2022
How I felt in love with Slack and eventually got a job there. A story of overcoming failure and chasing your dreams. Featuring @jewelia @rands @iamcal @dustyp @krismerrill @tvars and my own family. turelin.medium.com/how-i-fel…

How I fell in love with Slack and eventually got a job there

This could be any random picture shot by any of the thousands of us who share views of our delicious food combinations minutes before they…

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Slack Engineering retweeted
Frank@frankc19 Aug 2022
What happens when your distributed service has challenges with stampeding herds of internal requests? How do you prevent cascading failures between services? We share how circuit breakers helped prevent internal cascading failures at @slackeng @SlackHQ! bit.ly/cicd_cb

Slowing Down to Speed Up – Circuit Breakers for Slack’s CI/CD

What happens when your distributed service has challenges with stampeding herds of internal requests? How do you prevent cascading failures between internal services? How might you re-architect your...

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In case you missed it: Learn how @SlackHQ uses product thinking to improve our internal tools slack.engineering/applying-p…

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 support internal platforms.” They caveated this with...

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a new research paper by Slack engineering outlines a #metrics storage engine that's better than @PrometheusIO. Check out OpenObservability Talks with @mansu to hear about it: youtu.be/IvidkV3TfYg?t=919 or on the podcast apps: ow.ly/3h6A50I5b6X @SlackEng @OpenObserv #devops
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Slack Engineering retweeted
Frank@frankc18 Feb 2022
🎉 @Carlos_vr_ and I share how @slackeng evolved socio-technical workflows to increase developer velocity and to redefine confident testing and deploy workflows. bit.ly/3LNtm0S 1/

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 before merging to a multi-tiered testing workflow after merging. This changed our...

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What does it take to build #observability in web-scale company such as @SlackHQ, @Pinterest & @Twitter? Tune in to OpenObservability Talks @OpenObserv to hear it first hand from @mansu @SlackEng @TwitterEng @PinterestEng Live-streaming 16 Feb, 11 AM PST youtu.be/IvidkV3TfYg
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“Building the Next Evolution of Cloud Networks at Slack: A Retrospective” from @SlackEng slack.engineering/building-t…

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

About a year ago, I wrote a blog post called Building the Next Evolution of Cloud Networks at Slack. In it, we discussed how Slack’s AWS infrastructure has evolved over the years and the pain points...

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Slack Engineering retweeted
Frank@frankc7 Oct 2021
🎉 slack.engineering/infrastruc… 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. 1/

Infrastructure Observability for Changing the Spend Curve

Slack is an integral part of where work happens for teams across the world, and our work in the Core Development Engineering department supports engineers throughout Slack that develop, build, test,...

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Slack Engineering retweeted
LeadDev@TheLeadDev4 Oct 2021
'As an organization grows, an engineering leader’s role in a company needs to transition' - @iamcal of @SlackEng

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Slack Engineering retweeted
Allan Leinwand@leinwand4 Oct 2021
"The Four Agile Values and Slack" by Ashoke Chakrabarti @brianriggsbee Elizabeth Beddiaf. A great article by @slackeng! lnkd.in/ggn8AU8h
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Slack Engineering retweeted
LeadDev@TheLeadDev16 Sep 2021
‘Your team care a lot more about technical debt when you are able to frame it in the terms of things that they care about’ - @QcMaude from @SlackEng

Is it hard to convince teams to address technical debt?

A clip from LeadDev's webinar 'Evaluating when it’s time to tackle technical debt'

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A well-designed API can boost developer innovation, while a poorly designed one can be a liability. @episod and @saurabhsahni provide an inside look at our API design principles with some ideas that you can take back to your own process. slack.engineering/how-we-des…

How We Design Our APIs at Slack

More than five years ago, we launched the Slack Platform, giving developers an easy way to build apps in Slack and publish them in our App Directory. Today, millions of users bring their work into...

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Slack Engineering retweeted
yenkel
@yenkel10 Jun 2021
Curious to learn how @SlackEng implements Role Management & Authorization and missed yesterday's @TwitterSpaces chat with @jakebyman and Aish Dahal? Don't worry! Got you covered 🎉youtube.com/watch?v=-iVBsaga…

Role Management @ Slack

#AuthorizationInSoftware #FineGrainedAuthZAtScale #securityIn thi...

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Slack Engineering retweeted
yenkel
@yenkel7 Jun 2021
1/ In the 2nd Authorization @TwitterSpaces chat we'll learn how @SlackHQ designed, implemented and rolled out a big change at scale: their new authorization features On Wed at 4:30 PM PDT I'll chat with @jakebyman & Aish Dahal, two @SlackHQEng engineers who worked on this
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A decent number of Slack's features were once ideas and prototypes at our internal hackathon. We've been running hackathons since 2016, learned a few things along the way, and wrote up 9 tips for throwing a successful (and fun!) one: slack.com/blog/collaboration…

Lessons from five years of hackathons at Slack

What we’ve learned about time commitment, communication, judging criteria and a whole lot more

slack.com
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Performance problems can be a real struggle to track down, especially if they're hard to reproduce. We're using distributed tracing to understand work that spans multiple services and the client. Our colleague Justin wrote up how we're actually doing it: slack.engineering/client-tra…

Client Tracing: Understanding Mobile and Desktop Application Performance at Scale

A customer writes in and says the dreaded words: “My app is slow”. Here we go…  Performance problems can be a real struggle to track down, especially if they aren’t easily reproducible. Looking at...

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That high school student was @_clavin, now one of our @electronjs engineers!
Stack Overflow
@StackOverflow29 Mar 2021
A high school student was submitting great PR’s to Slack’s open source projects. That turned into an internship and now, a full time job. stackoverflow.blog/2021/03/2…
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Slack Engineering retweeted
CNCF
@CloudNativeFdn15 Mar 2021
“Migrating Millions of Concurrent Websockets to ⁦@EnvoyProxy⁩” via ⁦@SlackEng⁩ slack.engineering/migrating-…

Migrating Millions of Concurrent Websockets to Envoy

Slack has a global customer base, with millions of simultaneously connected users at peak times. Most of the communication between users involves sending lots of tiny messages to each other. For much...

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