The Startup Hangover : Supporting 15 mil users Phil Calçado - SoundCloud @pcalcado http :// philcalcado . com Wednesday, May 23, 12
ohai ! i’m phil . Wednesday, May 23, 12
i work here : Wednesday, May 23, 12
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law we make up Wednesday, May 23, 12
law we make up Wednesday, May 23, 12
law of nature Wednesday, May 23, 12
law of nature Wednesday, May 23, 12
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how to survive? Wednesday, May 23, 12
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~2008 App Wednesday, May 23, 12
~2011 App Wednesday, May 23, 12
law of nature Wednesday, May 23, 12
no point in fighting nature Wednesday, May 23, 12
Service A Service B Service C Wednesday, May 23, 12
teams are built around goals, not systems Wednesday, May 23, 12
making layers explicit Wednesday, May 23, 12
a set is a collection of your sounds Wednesday, May 23, 12
add other users’ sounds to a set Wednesday, May 23, 12
application layer vs . domain layer Wednesday, May 23, 12
law we make up teams are end - to - end Wednesday, May 23, 12
great for “lateral hires” to a team Wednesday, May 23, 12
law we make up you built it? you support it Wednesday, May 23, 12
automate yourself out of support Wednesday, May 23, 12
law we make up async by default Wednesday, May 23, 12
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law we make up pull requests or pairing as code review Wednesday, May 23, 12
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short-lived branch Wednesday, May 23, 12
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branch goes green Wednesday, May 23, 12
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discussion Wednesday, May 23, 12
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law we make up use the best tool for the job, but practice empathy Wednesday, May 23, 12
no - brainer choices : ruby, go, scala, java, R Wednesday, May 23, 12
our fav outliers : node . js, clojure, haskell, python Wednesday, May 23, 12
law we make up everyone is an architect Wednesday, May 23, 12
bad calls are ok, gather feedback fast and make sure we can revert it when needed Wednesday, May 23, 12
law we make up end - to - end testing before checking in code Wednesday, May 23, 12
impersonators / stubs / mocks for everything we can Wednesday, May 23, 12
and we often can Wednesday, May 23, 12
Wednesday, May 23, 12
law we make up product manager is a benevolent dictator Wednesday, May 23, 12
and they often can code Wednesday, May 23, 12
law we make up 20% time is sacred Wednesday, May 23, 12
just don’t have the whole team going away at once Wednesday, May 23, 12
law we make up no multi - tasking Wednesday, May 23, 12
everyone is a singleton Wednesday, May 23, 12
law we make up “done” means someone is using it ( a . k . a . continuous deployment ) Wednesday, May 23, 12
cycle time : ~3 days Wednesday, May 23, 12
law we make up measure all the things Wednesday, May 23, 12
Wednesday, May 23, 12
Qs? Phil Calçado - SoundCloud @pcalcado http :// philcalcado . com Wednesday, May 23, 12
http://bit.ly/work-at-soundcloud Wednesday, May 23, 12
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