Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
20 Jan 2017 / Moving Beyond Borders - Mercari DAY
Search
Sotaro Karasawa
January 20, 2017
Technology
8
15k
20 Jan 2017 / Moving Beyond Borders - Mercari DAY
Keynote presentation at #mercariday
Sotaro Karasawa
January 20, 2017
Tweet
Share
More Decks by Sotaro Karasawa
See All by Sotaro Karasawa
P2B Haus法人サポータープランのご提案
sotarok
2
1.3k
ソフトウェアxスタートアップから見た飲食と配送の世界 / The World of Food Deliverlies and Restaurant Businesses from a Software and Startup Perspective
sotarok
2
1.2k
CTO 3度目の正直 / My 3rd CTO Career
sotarok
21
10k
Introduction to the Corporate Solutions Engineering at MTC2018
sotarok
1
36k
Mercari meetup for Corporate Engineering #1 / What is "Corporate Engineering"?
sotarok
2
2.3k
Markdown and WYSIWYG
sotarok
1
6k
PHPBLT の心得 / PHPBLT #5 @ペパボ
sotarok
5
3.5k
Wiki についての今昔物語 / Crowi
sotarok
5
15k
PHPでダイエット / Dietcube #phpblt
sotarok
2
4.4k
Other Decks in Technology
See All in Technology
Apache Iceberg Case Study in LY Corporation
lycorptech_jp
PRO
0
350
AWSアカウントのセキュリティ自動化、どこまで進める? 最適な設計と実践ポイント
yuobayashi
7
960
遷移の高速化 ヤフートップの試行錯誤
narirou
6
1.8k
What's new in Go 1.24?
ciarana
1
110
2/18 Making Security Scale: メルカリが考えるセキュリティ戦略 - Coincheck x LayerX x Mercari
jsonf
0
240
AI Agent時代なのでAWSのLLMs.txtが欲しい!
watany
3
340
株式会社Awarefy(アウェアファイ)会社説明資料 / Awarefy-Company-Deck
awarefy
3
11k
あなたが人生で成功するための5つの普遍的法則 #jawsug #jawsdays2025 / 20250301 HEROZ
yoshidashingo
2
320
IAMポリシーのAllow/Denyについて、改めて理解する
smt7174
2
210
AWSではじめる Web APIテスト実践ガイド / A practical guide to testing Web APIs on AWS
yokawasa
8
750
IoTシステム開発の複雑さを低減するための統合的アーキテクチャ
kentaro
1
120
Potential EM 制度を始めた理由、そして2年後にやめた理由 - EMConf JP 2025
hoyo
2
2.9k
Featured
See All Featured
The Pragmatic Product Professional
lauravandoore
32
6.4k
Making the Leap to Tech Lead
cromwellryan
133
9.1k
GraphQLとの向き合い方2022年版
quramy
44
14k
Building Adaptive Systems
keathley
40
2.4k
It's Worth the Effort
3n
184
28k
Code Review Best Practice
trishagee
67
18k
Product Roadmaps are Hard
iamctodd
PRO
51
11k
Building a Modern Day E-commerce SEO Strategy
aleyda
38
7.1k
How to Ace a Technical Interview
jacobian
276
23k
Navigating Team Friction
lara
183
15k
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
3.7k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
6
580
Transcript
Moving Beyond Borders mercari DAY #mercariday Sotaro Karasawa / @sotarok
CTO, Executive Officer
Welcome to #mercariday
Engineering Team of Mercari
San Francisco London Tokyo
Tokyo 60+ Engineers • 2013~ • ϝϧΧϦͷ։ൃͷத৺ • ֤ڌͷӡ༻ߦ͏ •
࠾༻ɺڭҭɺͯ͢ͷ ։ൃ৫ͷػೳ
San Francisco 8 Engineers • 2014~ • αʔϏεΛ "ϩʔΧϥ Πζ"
͢Δ • ݴޠ͚ͩͰͳ͘ɺจԽɺ श׳ͳͲΛؚΊͨϩʔ ΧϥΠζ
London 4 Engineers • 2016~ • ৽ڌͰͷαʔϏεཱͪ ্͛ • ϩʔΧϥΠζͪΖΜ
• ݱͷ๏ྩʹద߹ͤ͞ ΔͨΊ
Project Teams • ϛογϣϯΛ࣋ͭνʔϜ • ྫ: ചΓखͷମݧΛ࠷ߴʹ͢ΔνʔϜ (Seller UX Team)
• ͜ΕΒͷνʔϜ͕ɺશࣾͰ࢛ظ͝ͱʹఆΊΔ OKR (Key Objective) ʹ͔ͬͯ։ൃΛ͢Δ • νʔϜߏ • 5-10 ਓఔͷ1νʔϜ • ϓϩμΫτϚωʔδϟʔɺϓϩσϡʔαʔɺΤϯδχΞɺQA • σβΠφʔͷΑ͏ͳԣ۲ͷνʔϜ͕ؔΘΔ
Mission Specified Teams • SRE • Site Reliability Engineer •
"͍ͭͰɺշదɺ҆৺ɺ҆શʹαʔϏεΛ͑ΔΑ ͏ʹ͢Δ" νʔϜ • SET • Software Engineer in Test • ։ൃڥɺςετڥɺࣗಈςετͳͲɺΤϯδχϯ άͷྖҬ͔ΒϝϧΧϦͷ࣭Λࢧ͑Δ
The Strategy and The Philosophy
• ͳʹΑΓϢʔβʔʹՁΛಧ͚Δ͜ͱΛ࠷༏ ઌʹ͢Δ • ٕज़ͪΖΜେࣄ • ͚ͩͲ "͜ͷٕज़Λ͍͍͔ͨΒ" ͱ͍͏Ϟν ϕʔγϣϯͰͳ͍
• ͦΕͰͲΜͳՁΛಧ͚Δ͔? ϓϩμΫτϑΝʔετ
ਐΈͳ͕Β͢ • ։ൃΛଓ͚͍ͯΕɺવ "ٕज़తෛ࠴" ͭΈ͔ ͞ͳΔ • ͪΖΜ͍ͭɺ"ͦͷͱ͖ਖ਼͍͠" • ͍͔ͯ͠ͳ͚Ε͍͚ͳ͍
͔͠͠ɺॏཁͳͷαʔϏεͱͯ͠͠ଓ͚Δ͜ͱ => ͨ͢ΊʹาΈΛࢭΊͯ͠·ͬͨΒҙຯ͕ͳ͍ ... ܾண͕͍ͭͯ͠·͏
దࡐదॴͷٕज़બ • ಛఆٕज़ͷͩ͜ΘΓ • ϓϩϑΣογϣφϧͱͯ͠ͷͩ͜ΘΓͪΖΜ ॏཁ • ͔ͦ͠͠ΕԿΛ͢ΔͨΊ͔? Ͳ͏͋Δ͖͔ͩΒ ͳͷ͔?
• PHP, Go, Swift, Objective-C, Java, Python ... etc. ͦͷΛղܾ͢ΔͨΊʹඞཁͳٕज़ͳʹ͔?
ϛογϣϯɾόϦϡʔ • ϝϧΧϦͷϛογϣϯ • ৽ͨͳՁΛੜΈͩ͢ੈքతͳϚʔέοτϓϨΠε ΛΔ • όϦϡʔ • Go
Bold • All for One • Be Professional ͜ΕΒΤϯδχΞͱͯ͠ڞ௨ͷߦಈݪཧɾՁ؍
Hiring Engineer
• ίʔυΛݟΔ͜ͱͳ͘࠾༻Λ͠ͳ͍ • ·ͨɺݟΔ͖ "PHPྗ" ͳͲͷಛఆͷٕज़ ྖҬͷࣝͰͳ͍ • ಛఆͷٕज़ྖҬʹݶఆ͞Εͳ͍ɺઃܭྗɺൃ ྗɺԠ༻ྗ
ٕज़՝ͱٕज़໘
• ʮΤϯδχΞܦݧͷ͋ΔਓࣄʯʮͪΐͬͱΘ͔ ΔਓࣄʯͰͳ͘ɺΤϯδχΞ͕ਓࣄ • όϦόϦίʔυͷ͔͚ΔɺୈҰઢͰઓ͑ΔΤϯδ χΞ͕ϑϧίϛοτ • ީิऀʹͱͬͯɺϝϧΧϦͷ։ൃΛཧղ͢͠ ͘ັྗʹࢥͬͯΒ͑Δ ΤϯδχΞਓࣄ
• ৽ଔ࠾༻Λ ϝʔϧΞυϨεͱ GitHub ͷ URL ͚ͩͰԠืͰ͖ΔΑ͏ʹͯ͠Έͨ • ఆܕจΛίϐϖͨ͠ཤྺॻΑΓɺ࠷Θ͔Γ ͍͢Ξτϓοτ
• (ͪΖΜࢦඪͦΕ͚ͩͰͳ͍͚ΕͲ) • ଞࣾͱҟͳΔ͜ͱΛࢼ͍ͯ͘͠ GitHub ΤϯτϦʔ
Trainings and Careers
• શһඞͣϝϯλʔΛ͚ͭΔ • ͳΜͰฉ͚Δઌഐࣾһ • ຖͷ 1on1 • ࠔͬͨ͜ͱɺͯ͠ཉ͍͜͠ͱ ϝϯλʔ
• શһ CS ݚम • ϢʔβʔʹҰ൪͍ۙͱ͜ΖΛܦݧ͢Δ • ࣮ࡍʹCSۀΛߦ͏ • SRE
ݚम • ৽ଔ1ϲ݄·Δ·ΔSREͱͯ͠ࣄ SREݚमɺCSݚम
• ࢛ظ͝ͱͷϓϩδΣΫτͷߩݙʹՃ͑ɺٕ ज़ߩݙΛධՁ͢Δ • ϦϑΝΫλϦϯάυΩϡϝϯςʔγϣϯɺ৽ ͍ٕ͠ज़ͷτϥΠͳͲͳͲ ... • ٕज़తͳ՝ײͱɺͦΕͷऔΓΈ ٕज़ධՁ
ΩϟϦΞ ΤϯδχΞ ΤϯδχΞϦϯάϚωʔδϟʔ ϓϦϯγύϧΤϯδχΞ
• ৫ͷ໘͔ΒϝϧΧϦͷΤϯδχΞϦϯάΛࢧ ͑Δ • ܦӦɺϓϩμΫτϚωʔδϟʔͱͷ։ൃ໘ͷΧ ϯλʔύʔτ ΤϯδχΞϦϯάϚωʔδϟʔ
• ϓϩϑΣογϣφϧ৬ • ٕज़ͷ໘͔ΒϝϧΧϦͷΤϯδχΞϦϯάΛࢧ ͑Δ • ಛఆ·ͨෳͷٕज़ྖҬͰͷӽٕͨ͠ज़ྗɺ ·ͨɺͦΕʹΑΔࣄۀߩݙ ϓϦϯγύϧΤϯδχΞ
• άϨʔυಉ • ࠷લઢͰ׆༂͢ΔΤϯδχΞɺܦӦਞͱಉ ͡ϨϕϧͷධՁΛ͏͚Δ ϚωʔδϟʔͱϓϦϯγύϧ
ΤϯδχΞͷ ࣗൃతͳߦಈΛࢧԉ͢Δ੍ɾڥ
• ϒϩάΛॻ͘͜ͱɺൃද͢Δ͜ͱ • ΧϯϑΝϨϯεͰͷൃදɺւ֎ͰࠃͰɺ ͯ͢ͷඅ༻Λෛ୲ɺͪΖΜग़ுѻ͍ Ξτϓοτਖ਼ٛ
• ʮւ֎ΧϯϑΝϨϯεͷࢀՃʯ • (ௌߨऀͱͯ͠) • Ξτϓοτ͍ͯ͠Δਓʹͦͷݖར͕͋Δ • ීஈ͔Βϒϩάॻ͘ɺOSS׆ಈɺษڧձͰͷൃදͳͲ • ߤඅɺνέοτɺ॓ɺͯ͢ෛ୲
• ͪΖΜग़ۈͱͯ͠ྑ͍ Ξτϓοτ͢ΔਓʹΠϯϓοτͷݖརΛ
• ݄1ͷʮͳʹͯ͠ྑ͍ʯ • ϓϩδΣΫτҎ֎ͷ͜ͱʹऔΓΉ • ϦϑΝΫλϦϯάɺυΩϡϝϯςʔγϣϯɺ৽͍͠ ٕज़ͷτϥΠɺϒϩάΛॻ͘ɺͳͲͳͲ • ͋Β͔͡ΊΛఆΊΔ͜ͱͰߦಈΛى͘͜͢͢͠ ΔɺඇΤϯδχΞ͔Βͷڠྗಘ͍͢
Be Professional Day ࢀߟ: ޫ͍Λࠀͯ͠composerΛ10ഒͨ͘͠ http://tech.mercari.com/entry/2016/02/01/164829
• ݸਓͷςετ༻ΠϯελϯεɺΫϥυ্ͷ৽αʔϏεΛࣗ ༝ʹ͏͜ͱ͕Ͱ͖Δ • SSOαʔϏεΛར༻ͯ͠ɺձࣾΞΧϯτʹݸਓݸਓͷڥ Λఏڙ • ؾʹͳΔAWSαʔϏεGCPαʔϏεΛࢼ͢ ... ɺbot࡞Δ͔
ΒαʔόʔΛ ... ɺػցֶशࢼ͔͢ΒGPUΠϯελϯεΛ ... ͳͲ • ؾܰʹࢼ͢ → Կ͔ͭ͘Δ • ʮԿ͔Ϟϊ͕͋Δʯ͜ͱ͕ਓΛಈ͔͢ AWS ͱ GCP
• ݸਓใɾϓϥΠόγʔใͷϚεΫ͞Εͨຊ ൪DBͷϨϓϦέʔγϣϯ • ੜͷσʔλΛ͙͢ʹѻ͑Δ • ͳΜͰूܭɺͳΜͰࢼ͢ • ݸਓςετ༻ AWS
ͳͲ͔Βͭͳ͛Δ anon db
• ৽͍͠ MacBook Pro ͷަͪΖΜOK ି༩PC͕͍ͭͰަՄೳʹͳΓ·ͨ͠ - ຊ࣭Λ ߟ͑ɺେʹϧʔϧվม http://mercan.mercari.com/entry/2016/12/05/140000
ି༩PC͍ͭͰަOK (͓·͚)
The Challenge
• JP <- 9 hours -> UK <- 8 hours
-> US • ཱࣗͨ͠νʔϜͰ͋Γͭͭίϛϡχέʔγϣϯ ΛͱΔ • Chromebox (Hangout༻STB) • ग़ு • ʮՈ͔ΒMTGࢀՃ͔ͯ͠Βग़ࣾ͠·͢ʯ ڌΛ·͍ͨͩ։ൃνʔϜ
• ικࣾʮϝϧΧϦΞοςʯ • ࣠ϝϧΧϦɺ͚ͩͲ৽͍͠νϟϨϯδͯ͠ ͍͘ ࣄۀͷ֦େͱଟ֯Խ
• ৽͍ٕ͠ज़ͷνϟϨϯδ • (ͪΖΜࣗൃతͰ͋Γͳ͕Β) • ͱΕΔબࢶ͕૿͑Δ • ΤϯδχΞΛҭͯΔ ٕज़ྖҬɺબͷଟ༷Խ
• ڌ++ • ਓ++ • νʔϜ++ • ੈքతͳϚʔέοτϓϨΠεΛ࣮ݱ͢ΔͨΊʹ ඞཁͳ͜ͱ ϓϩμΫτνʔϜͷ֦େ
Moving Beyond Borders
• αʔϏεΛຊ͚ͩͰͳ͘ੈքͰల։͍ͯ͘͠ • ͦͷͨΊͷࠃڥΛ͑ͨ։ൃνʔϜΛ࡞͍ͬͯ ͘ • ͜Ε·Ͱ͑ΒΕͳ͔ͬͨͷΛ͍͑ͯ͘
Today's Highlight
15:00 This is mercari, This is a SRE. ࠤʑ ݈Ұ
15:20 ্࣭ͷऔΓΈ ླ ਅ 15:45 άϩʔόϧల։Λࢧ͑ΔྔࢠతͳαʔϏεઃܭ த 16:05 ΞϓϦϑΝʔετͷӨͰؤுΔWebͷ ࡔຊ ݁ҥ 16:30 ϝϧΧϦiOSΞϓϦ։ൃͷݱঢ়ͱ͜Ε͔Β ੴ थ 16:50 High ҙࣝ Android ߴࢁ େ 17:15 ΤϯδχΞͷ৫ͱ࠾༻ ύωϥʔɿ৽Ҫ ܒଠ/Ԭ ୡ/ֿݪ ݡ༞ ϞσϨʔλʔɿฑ ૱ଠ
17:15 ΤϯδχΞͷ৫ͱ࠾༻ ύωϧσΟεΧογϣϯ ฉ͖͍ͨ͜ͱडத http://bit.ly/merday-qa
#mercariday