Keynote presentation at #mercariday
Moving Beyond Bordersmercari DAY #mercaridaySotaro Karasawa / @sotarokCTO, Executive Officer
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Welcometo#mercariday
Engineering Team of Mercari
San FranciscoLondonTokyo
Tokyo60+ Engineers• 2013~• ϝϧΧϦͷ։ൃͷத৺• ֤ڌͷӡ༻ߦ͏• ࠾༻ɺڭҭɺͯ͢ͷ։ൃ৫ͷػೳ
San Francisco8 Engineers• 2014~• αʔϏεΛ "ϩʔΧϥΠζ" ͢Δ• ݴޠ͚ͩͰͳ͘ɺจԽɺश׳ͳͲΛؚΊͨϩʔΧϥΠζ
London4 Engineers• 2016~• ৽ڌͰͷαʔϏε্ཱͪ͛• ϩʔΧϥΠζͪΖΜ• ݱͷ๏ྩʹద߹ͤ͞ΔͨΊ
Project Teams• ϛογϣϯΛ࣋ͭνʔϜ• ྫ: ചΓखͷମݧΛ࠷ߴʹ͢ΔνʔϜ (Seller UX Team)• ͜ΕΒͷνʔϜ͕ɺશࣾͰ࢛ظ͝ͱʹఆΊΔ OKR (KeyObjective) ʹ͔ͬͯ։ൃΛ͢Δ• νʔϜߏ• 5-10 ਓఔͷ1νʔϜ• ϓϩμΫτϚωʔδϟʔɺϓϩσϡʔαʔɺΤϯδχΞɺQA• σβΠφʔͷΑ͏ͳԣ۲ͷνʔϜ͕ؔΘΔ
Mission Specified Teams• SRE• Site Reliability Engineer• "͍ͭͰɺշదɺ҆৺ɺ҆શʹαʔϏεΛ͑ΔΑ͏ʹ͢Δ" νʔϜ• SET• Software Engineer in Test• ։ൃڥɺςετڥɺࣗಈςετͳͲɺΤϯδχϯάͷྖҬ͔ΒϝϧΧϦͷ࣭Λࢧ͑Δ
The Strategyand The Philosophy
• ͳʹΑΓϢʔβʔʹՁΛಧ͚Δ͜ͱΛ࠷༏ઌʹ͢Δ• ٕज़ͪΖΜେࣄ• ͚ͩͲ "͜ͷٕज़Λ͍͍͔ͨΒ" ͱ͍͏ϞνϕʔγϣϯͰͳ͍• ͦΕͰͲΜͳՁΛಧ͚Δ͔?ϓϩμΫτϑΝʔετ
ਐΈͳ͕Β͢• ։ൃΛଓ͚͍ͯΕɺવ "ٕज़తෛ࠴" ͭΈ͔͞ͳΔ• ͪΖΜ͍ͭɺ"ͦͷͱ͖ਖ਼͍͠"• ͍͔ͯ͠ͳ͚Ε͍͚ͳ͍͔͠͠ɺॏཁͳͷαʔϏεͱͯ͠͠ଓ͚Δ͜ͱ=> ͨ͢ΊʹาΈΛࢭΊͯ͠·ͬͨΒҙຯ͕ͳ͍ ...ܾண͕͍ͭͯ͠·͏
దࡐదॴͷٕज़બ• ಛఆٕज़ͷͩ͜ΘΓ• ϓϩϑΣογϣφϧͱͯ͠ͷͩ͜ΘΓͪΖΜॏཁ• ͔ͦ͠͠ΕԿΛ͢ΔͨΊ͔? Ͳ͏͋Δ͖͔ͩΒͳͷ͔?• PHP, Go, Swift, Objective-C, Java, Python ... etc.ͦͷΛղܾ͢ΔͨΊʹඞཁͳٕज़ͳʹ͔?
ϛογϣϯɾόϦϡʔ• ϝϧΧϦͷϛογϣϯ• ৽ͨͳՁΛੜΈͩ͢ੈքతͳϚʔέοτϓϨΠεΛΔ• όϦϡʔ• Go Bold• All for One• Be Professional͜ΕΒΤϯδχΞͱͯ͠ڞ௨ͷߦಈݪཧɾՁ؍
Hiring Engineer
• ίʔυΛݟΔ͜ͱͳ͘࠾༻Λ͠ͳ͍• ·ͨɺݟΔ͖ "PHPྗ" ͳͲͷಛఆͷٕज़ྖҬͷࣝͰͳ͍• ಛఆͷٕज़ྖҬʹݶఆ͞Εͳ͍ɺઃܭྗɺൃྗɺԠ༻ྗٕज़՝ͱٕज़໘
• ʮΤϯδχΞܦݧͷ͋ΔਓࣄʯʮͪΐͬͱΘ͔ΔਓࣄʯͰͳ͘ɺΤϯδχΞ͕ਓࣄ• όϦόϦίʔυͷ͔͚ΔɺୈҰઢͰઓ͑ΔΤϯδχΞ͕ϑϧίϛοτ• ީิऀʹͱͬͯɺϝϧΧϦͷ։ൃΛཧղ͘͢͠ັྗʹࢥͬͯΒ͑ΔΤϯδχΞਓࣄ
• ৽ଔ࠾༻Λ ϝʔϧΞυϨεͱ GitHub ͷ URL͚ͩͰԠืͰ͖ΔΑ͏ʹͯ͠Έͨ• ఆܕจΛίϐϖͨ͠ཤྺॻΑΓɺ࠷Θ͔Γ͍͢Ξτϓοτ• (ͪΖΜࢦඪͦΕ͚ͩͰͳ͍͚ΕͲ)• ଞࣾͱҟͳΔ͜ͱΛࢼ͍ͯ͘͠GitHub ΤϯτϦʔ
Trainings and Careers
• શһඞͣϝϯλʔΛ͚ͭΔ• ͳΜͰฉ͚Δઌഐࣾһ• ຖͷ 1on1• ࠔͬͨ͜ͱɺͯ͠ཉ͍͜͠ͱϝϯλʔ
• શһ CS ݚम• ϢʔβʔʹҰ൪͍ۙͱ͜ΖΛܦݧ͢Δ• ࣮ࡍʹCSۀΛߦ͏• SRE ݚम• ৽ଔ1ϲ݄·Δ·ΔSREͱͯ͠ࣄSREݚमɺCSݚम
• ࢛ظ͝ͱͷϓϩδΣΫτͷߩݙʹՃ͑ɺٕज़ߩݙΛධՁ͢Δ• ϦϑΝΫλϦϯάυΩϡϝϯςʔγϣϯɺ৽͍ٕ͠ज़ͷτϥΠͳͲͳͲ ...• ٕज़తͳ՝ײͱɺͦΕͷऔΓΈٕज़ධՁ
ΩϟϦΞΤϯδχΞΤϯδχΞϦϯάϚωʔδϟʔ ϓϦϯγύϧΤϯδχΞ
• ৫ͷ໘͔ΒϝϧΧϦͷΤϯδχΞϦϯάΛࢧ͑Δ• ܦӦɺϓϩμΫτϚωʔδϟʔͱͷ։ൃ໘ͷΧϯλʔύʔτΤϯδχΞϦϯάϚωʔδϟʔ
• ϓϩϑΣογϣφϧ৬• ٕज़ͷ໘͔ΒϝϧΧϦͷΤϯδχΞϦϯάΛࢧ͑Δ• ಛఆ·ͨෳͷٕज़ྖҬͰͷӽٕͨ͠ज़ྗɺ·ͨɺͦΕʹΑΔࣄۀߩݙϓϦϯγύϧΤϯδχΞ
• άϨʔυಉ• ࠷લઢͰ׆༂͢ΔΤϯδχΞɺܦӦਞͱಉ͡ϨϕϧͷධՁΛ͏͚ΔϚωʔδϟʔͱϓϦϯγύϧ
ΤϯδχΞͷࣗൃతͳߦಈΛࢧԉ͢Δ੍ɾڥ
• ϒϩάΛॻ͘͜ͱɺൃද͢Δ͜ͱ• ΧϯϑΝϨϯεͰͷൃදɺւ֎ͰࠃͰɺͯ͢ͷඅ༻Λෛ୲ɺͪΖΜग़ுѻ͍Ξτϓοτਖ਼ٛ
• ʮւ֎ΧϯϑΝϨϯεͷࢀՃʯ• (ௌߨऀͱͯ͠)• Ξτϓοτ͍ͯ͠Δਓʹͦͷݖར͕͋Δ• ීஈ͔Βϒϩάॻ͘ɺOSS׆ಈɺษڧձͰͷൃදͳͲ• ߤඅɺνέοτɺ॓ɺͯ͢ෛ୲• ͪΖΜग़ۈͱͯ͠ྑ͍Ξτϓοτ͢ΔਓʹΠϯϓοτͷݖརΛ
• ݄1ͷʮͳʹͯ͠ྑ͍ʯ• ϓϩδΣΫτҎ֎ͷ͜ͱʹऔΓΉ• ϦϑΝΫλϦϯάɺυΩϡϝϯςʔγϣϯɺ৽͍ٕ͠ज़ͷτϥΠɺϒϩάΛॻ͘ɺͳͲͳͲ• ͋Β͔͡ΊΛఆΊΔ͜ͱͰߦಈΛى͘͜͢͢͠ΔɺඇΤϯδχΞ͔Βͷڠྗಘ͍͢Be Professional Dayࢀߟ: ޫ͍Λࠀͯ͠composerΛ10ഒͨ͘͠http://tech.mercari.com/entry/2016/02/01/164829
• ݸਓͷςετ༻ΠϯελϯεɺΫϥυ্ͷ৽αʔϏεΛࣗ༝ʹ͏͜ͱ͕Ͱ͖Δ• SSOαʔϏεΛར༻ͯ͠ɺձࣾΞΧϯτʹݸਓݸਓͷڥΛఏڙ• ؾʹͳΔAWSαʔϏεGCPαʔϏεΛࢼ͢ ... ɺbot࡞Δ͔ΒαʔόʔΛ ... ɺػցֶशࢼ͔͢ΒGPUΠϯελϯεΛ ...ͳͲ• ؾܰʹࢼ͢ → Կ͔ͭ͘Δ• ʮԿ͔Ϟϊ͕͋Δʯ͜ͱ͕ਓΛಈ͔͢AWS ͱ GCP
• ݸਓใɾϓϥΠόγʔใͷϚεΫ͞Εͨຊ൪DBͷϨϓϦέʔγϣϯ• ੜͷσʔλΛ͙͢ʹѻ͑Δ• ͳΜͰूܭɺͳΜͰࢼ͢• ݸਓςετ༻ AWS ͳͲ͔Βͭͳ͛Δanon db
• ৽͍͠ MacBook Pro ͷަͪΖΜOKି༩PC͕͍ͭͰަՄೳʹͳΓ·ͨ͠ - ຊ࣭Λߟ͑ɺେʹϧʔϧվมhttp://mercan.mercari.com/entry/2016/12/05/140000ି༩PC͍ͭͰަOK (͓·͚)
The Challenge
• JP <- 9 hours -> UK <- 8 hours -> US• ཱࣗͨ͠νʔϜͰ͋ΓͭͭίϛϡχέʔγϣϯΛͱΔ• Chromebox (Hangout༻STB)• ग़ு• ʮՈ͔ΒMTGࢀՃ͔ͯ͠Βग़ࣾ͠·͢ʯڌΛ·͍ͨͩ։ൃνʔϜ
• ικࣾʮϝϧΧϦΞοςʯ• ࣠ϝϧΧϦɺ͚ͩͲ৽͍͠νϟϨϯδ͍ͯ͘͠ࣄۀͷ֦େͱଟ֯Խ
• ৽͍ٕ͠ज़ͷνϟϨϯδ• (ͪΖΜࣗൃతͰ͋Γͳ͕Β)• ͱΕΔબࢶ͕૿͑Δ• ΤϯδχΞΛҭͯΔٕज़ྖҬɺબͷଟ༷Խ
• ڌ++• ਓ++• νʔϜ++• ੈքతͳϚʔέοτϓϨΠεΛ࣮ݱ͢ΔͨΊʹඞཁͳ͜ͱϓϩμΫτνʔϜͷ֦େ
Moving Beyond Borders
• αʔϏεΛຊ͚ͩͰͳ͘ੈքͰల։͍ͯ͘͠• ͦͷͨΊͷࠃڥΛ͑ͨ։ൃνʔϜΛ࡞͍ͬͯ͘• ͜Ε·Ͱ͑ΒΕͳ͔ͬͨͷΛ͍͑ͯ͘
Today's Highlight
15:00 This is mercari, This is a SRE. ࠤʑ ݈Ұ15:20 ্࣭ͷऔΓΈ ླ ਅ15:45 άϩʔόϧల։Λࢧ͑ΔྔࢠతͳαʔϏεઃܭ த 16:05 ΞϓϦϑΝʔετͷӨͰؤுΔWebͷ ࡔຊ ݁ҥ16:30 ϝϧΧϦiOSΞϓϦ։ൃͷݱঢ়ͱ͜Ε͔Β ੴ थ16:50 High ҙࣝ Android ߴࢁ େ17:15 ΤϯδχΞͷ৫ͱ࠾༻ύωϥʔɿ৽Ҫ ܒଠ/Ԭ ୡ/ֿݪ ݡ༞ϞσϨʔλʔɿฑ ૱ଠ
17:15 ΤϯδχΞͷ৫ͱ࠾༻ύωϧσΟεΧογϣϯฉ͖͍ͨ͜ͱडதhttp://bit.ly/merday-qa
#mercariday