The document discusses strategies for building out a company focused on 100% JavaScript. It addresses hiring priorities, technical stacks, and challenges. For servers, it recommends building microservices with Express and storing data in databases. For mobile, it advocates developing a progressive web app instead of native apps. It also stresses the importance of front-end developers learning backend concepts like asynchronous programming and databases.

1. 100% JS
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2. Hello.
__lucas
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3. CTO
http://ex.fm/
http://ex.fm/iphone
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4. What kind of
company do we
want to be?
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5. Who do we hire?
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6. What we need
Design JavaScript
UX Python
Product Java
Objective-C
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7. What we need take 2
Design JavaScript
UX Python
Product Java
Objective-C
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8. How do we get there?
Server
Mobile
Client (some other time)
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9. SERVER.
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10. Current Stack
Nginx
uWSGI
Flask App
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11. Too many things that
can go wrong.
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12. Pythons Gone Wild
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13. PubSub of all user
events.
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14. Across processes and
machines.
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15. Don’t try this in
Python.
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16. <3 Socket.io
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17. YNGWIE
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18. Hmm...
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19. Something going on
here.
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20. Lots of express User Service
API Site Service
Song Service
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21. Services are cheap.
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22. Spread load and
ownership.
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23. Easier to test.
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24. Happier developers.
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25. MOBILE.
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26. Our Mobile Web
App is better than
our native apps.
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27. Q = Σ (P - D)
Product Quality = Passion - Cognitive Distance
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28. “Why not just hire more android and iOS
developers?”
NO
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29. Don’t have time or
money for
specialists.
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30. Just because it’s
native does not
make it better.
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31. Try optimizing
android list views...
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32. <3 PhoneGap
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33. Deploy to S3
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34. Plugins = Native
Polyfills
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35. Fix HTML5 Audio
with IEXAudio
Plugin.
https://github.com/exfm/iex-audio
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36. Side-note: FireBreath -
Prototype new browser
API’s
http://www.firebreath.org
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37. LEARNED.
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38. “Do you really want front-end people
working on the server?”
YES
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39. 90/10
Render a template
Get some data from an API
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40. Know How The
Sausages Get
Made.
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41. Implement it
yourself.
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42. Context Switching
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43. But....................
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44. 2 Problems
so far.
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45. 1. Front-end people
have an inherent fear
of databases.
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46. Like Spiders...
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47. Covered in Spiders...
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48. That are electronic.
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49. $.post(“/user/”, {‘username’: ‘lucas’})
db.get(‘users’).put({‘username’: ‘lucas’})
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50. Tarantulas aren’t
poisonous.
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51. 2. Async for the
procedural folk.
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52. Mind-melting,
complex, racey,
callback nesting.
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53. Use flow-control.
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54. Anything in futures
is great.
https://github.com/coolaj86/futures
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55. And promises.
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56. when is nice and
works with jQuery
deferreds
https://github.com/cujojs/when
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57. Not instant.
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58. Sometimes a month,
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59. Sometimes an hour,
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60. Totally worth it.
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61. Obrigado.
@__lucas
http://ex.fm
https://github.com/exfm
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