iOS developers community in Tokyo

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iOS developers community in Tokyo By Yoshikuni Kato, iOS developer At STRV iOS Lightning Talks, 10.10.2019

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Who am I? ● Yoshikuni Kato ● iOS app developer (4.5 years) ● STRV (since 03.2019) multiple companies in Tokyo (2013-2019) ● Twitter: @yoshikuni_kato ● GitHub: @yoching ● Interests: Software Design, Functional Programming, UI Implementation. 2

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My experience with the iOS developer community in Tokyo ● Have been in the community for the last 4-5 years ● Attended lots of meetups & conferences, sometimes as a presenter ● I’m going to highlight some of the ways the community operates 3

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Photos 4

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What’s it like? 7

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8 Active & Diverse

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Active & Diverse ● Numerous & diverse meetups ● 2 big annual conferences ● Lots of technical discussions online 9

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iOS meetup groups in Tokyo (part) ● potatotips: presenters only ● Swift Lovers (cf. Kotlin lovers) ● Tokyo iOS meetup (in English) ● Waiwai-swiftc ● roppongi.swift ● Test Night, CI/CD Night (by DeNA) ● Cocoa study group, Bukuro.swift ● Company organized meetups Hatena, FiNC, CA.swift (by CyberAgent), MobileAct (by Fenrir), Cookpad, Timers, Bonﬁre (by Yahoo! Japan) 10 ● macOS native study group ● Swift Tweets ● shibuya.swift ● Otemachi.swift ● AKIBA.swift ● Muscle.swift ● Realm meetup ● Firebase Japan User Group ● Combine catch-up meetup ● Vapor meetups ● fastlane meetup ● ...

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iOS meetups in Tokyo ● So many meetups ● Each meetup has about 30-100+ attendees ● Meetups are organized by person / community / company ● Fluid because some start and some become inactive ● Search “iOS” or “swift” at connpass.com 11

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Diverse meetup examples swiftc meetup ● About Swift Compiler ● Has met 14 times since 2018 ● About 30 attendees per meetup ● Discord channel 12 iOS Test Night (by DeNA) ● About Testing on iOS ● Has met 11 times since 2016 ● About 100 attendees per meetup ● “CI/CD Test Night” started from this

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Big annual conferences try! swift ● 900 attendees ● 30 talks, single track ● in English & Japanese (simultaneous translation) (Numbers are from 2019) 13 iOSDC ● 800 attendees ● 133 talks *, multiple tracks ● in Japanese ● 540 proposals * including 40 LT (Numbers are from iOSDC 2018)

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Technical discussions online ● Japanese engineers ❤ twitter in general ● Qiita (Japanese Medium) ● Slack, Discord, ... 14

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Weak point: Language barrier ● Most meetups & discussions are in Japanese (except Tokyo iOS meetup) 15

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Wrap up ● iOS developer community in Tokyo is very active & diverse ● Please feel free to contact me @yoshikuni_kato 16

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THAT'S IT Yoshikuni Kato yoshikuni.kato@strv.com