Developer Experience Matters (Short version)

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Developer ExperienceDeveloper Experience

Tomomi Imura

MattersMattersTomomi Imura

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Tomomi (@girlie_mac) does:

● advocate open web & technology

● front-end engineering● writer & speak about tech● mentor

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More Bio...● Lead Dev Evangelist at PubNub

○ 2014-16 - Realtime Data Stream SDKs● Sr. Dev Evangelist at Nokia

○ 2014- Strategy for upcoming mobile platform○ 2012- HTML5 evangelist, worked with W3C

● Sr. DevRel Engineer at Palm (then HP)○ 2011- webOS partners & app developers

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Before DevRel...● Human Interface Developer at Palm

○ 2009- webOS User interface & experience

...and this is why I approach DevRel differently!!!

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User-Experience“User-Experience (UX) focuses on having a deep understanding of users, what they need, what they value, their abilities, and also their limitations.”

Source: usability.gov

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User-Experience“User-Experience (UX) focuses on having a deep understanding of users, what they need, what they value, their abilities, and also their limitations.”

Source: usability.gov

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Developer-Experience“Developer-Experience (DX) focuses on having a deep understanding of developers, what they need, what they value, their abilities, and also their limitations.”

@girlie_macBy Jared Spool https://flic.kr/p/5ckBZq CC-BY-SA

@girlie_machttps://twitter.com/ryo_sasaki/status/560229808362102784

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Bad UX: User Reactions1. Get confused2. Guess and fail3. Frustrated4. Repeat 2 - 35. Totally pissed off

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Bad DX: Developer Reactions1. Get confused about enigmatic APIs2. console.log(wtf) & error3. Frustrated4. Repeat 2 - 35. Totally pissed off

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Developer-Centric Products● Platforms● SDKs & tools● APIs● Developer website UI/UX, and contents● Docs, tutorials, and “Get started” guides● Sample code - GitHub code & README

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Bad DX Examples: APIs● Badly designed APIs

○ Bad naming conventions○ Bad error messages○ Inconsistent ○ etc.

● Poor documentation

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Bad DX Examples: Docs & Tuts● No documentation● Bad browsing experience, no ref links● No diagram, screenshot, picture etc.● Too complex● Outdated materials● Too much marketing● PDF everything (Docs != Whitepaper)

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User-Friendliness

https://twitter.com/kaz/status/757733261938298881

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Developer-Friendliness

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Developer-Friendliness

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Brainstorm: What Devs Want?Brainstorm: What Devs Want?

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Developer experience matters!really

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DEVELOPERS,DEVELOPERS,DEVELOPERS!

How can I end my talk about developer experiences w/o this perspirational photo of Ballmer!? LOL!

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Thank you!

@girlie_macgirliemac.comgithub.com/girliemacslideshare.net/tomomi

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