スクラムを「投げ捨てる」-必要になるまでやらない勇気

Retty Scrum Meet up〜2018.12.18〜 LT登壇資料

https://retty.connpass.com/event/111549/

Transcript

1. ࢲ͕εΫϥϜΛ౤ࣺ͛ͯΔ·Ͱ
   - ඞཁʹͳΔ·Ͱ΍Βͳ͍༐ؾΛ΋ͱ͏ -
   ͘͢ΒΉ
   Shinichi Nakagawa a.k.a. @shinyorke
   Retty Scrum Meet up 2018/12/18
   

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2. ೦ͷҝݴ͓ͬͯ͘ͱ
   • ࢲ͕ࠓɺScrumΛ΍ͬͯͳ͍͚ͩͰ

   ScrumΛ൱ఆ͢Δ΋ͷͰ͸͋Γ·ͤΜʂ

   ※ͱ͍͏࿩Λ͜Ε͔Β͠·͢
   • ΞδϟΠϧ΍Scrumʹৄ͍͠ίʔνͱ͔ͦ͏͍͏ਓ

   Ͳ͏ౖ͔Βͣʹฉ͍ͯ΄͍͠ʢ୰ئʣ
   • ͳ͓ɺ͜ͷ࿩͸ϊϯϑΟΫγϣϯͰ͢
   

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3. Who am I?ʢ͓લ୭Αʣ
   • εϙʔπ&໺ٿͷϕϯνϟʔͰCTOͯ͠·͢
   • Shinichi NAKAGAWA(@shinyorke)
   • NEXT BASE Corp. CTO/Baseball Engineer
   • جຊతʹ͸Pythonͷਓʢ͕ͩԿͰ΋΍Δʣ
   • ೝఆεΫϥϜϚελʔʢ͕ͩԿʹ΋ͯ͠ͳ͍ʣ
   • ʲܦྺʳITίϯαϧˠϦΫϧʔτˠ˙˙˙˙˙ˠ΍͖͏
   

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4. ࢲͱRettyʢ㲈Կނ͜͜ʹ͍Δͷ͔ʣ
   Dev Loveͷࣸਅ͕ग़͖ͯͨͷͰࡌͤͯΈͨʢfrom RettyߴྠΦϑΟεʣ
   ※ޙΖͷؗࢁ͞Μ(კ͞Μ)͸୯ͳΔ໺ٿ޷͖ͷΤϯδχΞͰ͢ʢࣾһͰ͢Βແ͍ʣ
   

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5. ݩࣾһͰScrum MasterͳͷΑ
   • 2017/1ʙ2018/1ͷ1೥ؒࡏ੶ͯ͠·ͨ͠
   • ࠷ॳ͸Engineering Manager
   • ޙ൒͸PythonͰσʔλΛ৮Δਓʹઐ೦
   • ͋ͱऴ࢝ɺScrum MasterͰ΋͋ͬͨʢϙϯଠ͞Μͷલʣ
   • ࠓ೔͸தͷਓʹɺʮLTͯ͠ͶʯͱݴΘΕͨͷͰˡࠓ͜͜
   

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6. Python΋͘΋ࣗ͘शࣨ #rettypy
   • RettyΛձ৔ʹɺि຤͜΋ͬͯPythonʹؔ͢Δ΋͘΋͘Λ͢Δू·Γ
   • झࢫ&Ϟοτʔ
   • ͓୊Λ࣋ࢀͯ͠ʮࣗश(΋͘΋͘)ʯ͢Δ
   • ൃදɾࡶஊΛ௨ͯ͡ަྲྀ
   • ΠΠΰϋϯ(ϥϯνɾ͓΍ͭ)Λ༇͠Ή
   • ॳ৺ऀ͔ΒΤόϯδΣϦετ·Ͱଟछଟ༷ͳࢀՃϝϯόʔ
   • ͳ͓࣍ճ͸೥໌͚1/26ʢ౔ʣ https://retty.connpass.com/event/111702/
   • ʲ௒ॏཁʳ͍ͭ΋ձ৔ఏڙ͋Γ͕ͱ͏͍͟͝·͋͢Γ͕ͱ͏͍͟͝·͢m(_ _)m
   

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7. ʲ͍ͭͰʹCMʳBaseball Geeks
   • ฐࣾʢωΫετϕʔεʣͰӡӦ͍ͯ͠Δ໺ٿϝσΟΞͰ͢.
   • σʔλɾεϙʔπՊֶͰ໌Β͔ʹͳͬͨ͜ͱΛʮΘ͔Γ΍͘͢ʯ఻͑Δ
   • ΈΜͳಡΜͰͶ&ϒΫϚ΋ΑΖ͘͠ʂ https://www.baseballgeeks.jp/
   

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8. ͔͜͜Βຊ୊
   

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9. TL;DRʢຊ೔ͷݴ͍͍ͨ͜ͱʣ
   • ݴޠԽ 33 - 4 ϓϥΫςΟε
   • ϓϥΫςΟεɾख๏͸ϑΣʔζͰ౎౓มΘΔ
   • αʔϏεˍࣗ෼ͱνʔϜ͕޾ͤͳํ޲ʹ

   ΍͍ͬͯ͘ͷ͕Ұ൪ॏཁ
   • εΫϥϜ͕ສೳʢΠέͯΔʣͱ͸ݶΒͳ͍ʂ
   

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10. ࢲ͕εΫϥϜΛ౤ࣺ͛ͯΔ·Ͱ
    ※͍Β͢ͱʹѱҙ͸͋Γ·ͤΜʢଟ෼ʣ
    ͘͢ΒΉ
    

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11. …ͷɺલʹ
    ·ͣ͸ࢲͳΓͷ
    ΞδϟΠϧख๏
    બ୒ϧʔϧΛ
    

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12. ʲਤʳݴޠԽ͔ΒϓϥΫςΟεΛܾΊΔ·Ͱ
    ※ࢲͳΓͷϧʔϧͰ͢&ࠓ೔ݴ͍͍ͨࣄͷ͢΂ͯͰ΋͋Δ
    

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13. νʔϜϏϧσΟϯάظ
    • ଟ෼͕͜͜Ұ൪ॏཁ
    • Ռͨ͢΂͖͜ͱͷΠγϡʔԽ
    • ԿΑΓ΋νʔϜ࡞Γ
    • εΫϥϜͩʂΞδϟΠϧͩʂ

    ͱϓϥΫςΟεΛޠΔͷ͸

    ͦͷޙͷϑΣʔζʂʂ
    

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14. ͜Μͳײ͡Ͱ੒ख़Խ͢Δ͜ͱ΋͋Ε͹
    ʢ͓ͦΒ͘͜Ε͕ཧ૝૾ʣ
    

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15. ͜͏͍͏ͨͲΓํΛ͢ΔνʔϜ΋

    ͋Δ͔΋͠Εͳ͍͠
    

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16. ͜͏͍͏͜ͱ΋͋Δ͔΋ʢ਒͑ʣ
    

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17. ʮݴޠԽʯͰҰͭͷํ޲΁
    • ࠷ॳ͸৭Μͳਓ͕͍Δʢ৬ೳɾഎܠ͔Β৭ʑʣ

    ΈΜͳେ޷͖ʮμΠόʔγςΟʯౕͬͯͰ͢Ͷʢ๮ʣ
    • ʮ৭Μͳਓʯ͕͍Δ͔Βͦ͜ɺ৭Μͳҙݟ͕͋Δ
    • ࠷ॳ͸ʮ࿩ͤΔʯʮݴ༿ʹ͢ΔʯʮݴޠԽ͢Δʯ͜ͱʹ஫ྗ
    • Α͘࢖͏ํ๏ɾϓϥΫςΟε
    • ·ͣɺ࿩͢ʢҰॹʹ͝൧Λ৯΂Δɺ͓΍ͭΛָ͠Ήʣ
    • ݴ༿ͱͯ͠ॻ͍ͯ΋Β͏ʢϙετΠοτʣɺ੔ཧ͢ΔʢKJͳͲʣ
    • ݴ༿Λ෼ྨ͠ຏ͍ͯΠγϡʔʹˡ͜Ε͕ΰʔϧ
    

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18. Ұͭͣͭਂ۷Γ͢Δͱ
    ௕͍ʢΤά͍ʣͷͰ
    ฉ͖͍ͨํ͸࠙਌ձͰ
    

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19. ϓϩδΣΫτ࣮ߦظ
    • ΠγϡʔͱνʔϜ͕

    ݻ·͔ͬͯΒ͍Α͍Α

    ख๏ͱϓϥΫςΟεΛ

    ܾΊͯ΍Γ͖Δʂ
    • αʔϏεʢϏδωεʣͱ

    ٕज़ʢݴޠͱ͔FWͳͲʣ͕

    ط஌ͳͷ͔ະ஌ͳͷ͔Ͱ

    ख๏ɾϓϥΫςΟε͕มΘΔ
    

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20. ࢲͷ͓࢓ࣄʢաڈ4೥ʣ͸Ͳ͏͔ͩͬͨʁ

    ˞͋͘·Ͱ෼ྨతʹଟ͔ͬͨͱ͍͏ҙຯͰ͢
    

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21. ࢲͷ͓࢓ࣄʢաڈ4೥ʣ͸Ͳ͏͔ͩͬͨʁ

    ˞͋͘·Ͱ෼ྨతʹଟ͔ͬͨͱ͍͏ҙຯͰ͢
    ϦΫϧʔτ࣌୅
    

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22. ϦΫϧʔτ࣌୅
    3FUUZ

    ผͷελʔτΞοϓʣ
    ࢲͷ͓࢓ࣄʢաڈ4೥ʣ͸Ͳ͏͔ͩͬͨʁ

    ˞͋͘·Ͱ෼ྨతʹଟ͔ͬͨͱ͍͏ҙຯͰ͢
    

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23. ϓϥΫςΟεͷબٿ؟⽁
    • ʮෆ࣮֬ੑʯ͕ߴ͍͔௿͍͔ͰϓϥΫςΟεΛ࢖͍෼͚Δ
    • ʮෆ࣮֬ੑʯ͕ߴ͍ʢେ͖ͳมߋ͕͋Δɾগ਺ਫ਼ӶνʔϜʣ
    • ϦʔϯΩϟϯόεʢෆ࣮֬ੑ͋Γͦ͏ͳϙΠϯτݟ͚ͭΔʣ
    • ΠϯηϓγϣϯσοΩʢܾ·ͬͯΔ͜ͱɾෆ࣮֬ͳ͜ͱΛ෼͚Δʣ
    • Χϯόϯʢݱࡏ஍ͷ֬ೝ&ଞॴ͔ΒԿ͔ݴΘΕͨ࣌ͷཏ਑൫ʣ
    • ʮෆ࣮֬ੑʯ͕௿͍ʢখ͞ͳมߋ͕ଟ͍ɾͦͦ͜͜ͳਓ਺ʣ
    • σβΠϯυοΫʢ࡞ΔϞϊ͕ܾ·ΔͳΒ࢖͍΍͍͢ʣ
    • ΢ΥʔλʔϑΥʔϧʢ࡞Γ͖ΔͳΒΉ͠ΖεΫϥϜΑΓ΍Γ΍͍͢ʣ
    • εΫϥϜʢϞϊɾίτͷߏ଄Խ&ηϨϞχʔͰ͍͍ײ͡ʹറΕΔʣ
    ※͋͘·Ͱɺࢲͷ΍ΓํͰ͢ʢҟ࿦Ͳ͏ͧɺडཱ͚ͯͭʣ
    

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24. ࠓʢ΍͖͏ʣ
    ͸Ͳ͔͜ͱ͍͏ͱ
    

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25. ࢲͷ͓࢓ࣄͷྖҬʢNow!ʣ
    ΍͖͏
    ˞͜ͷล͕໿ׂ
    

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26. ࢲͷ͓࢓ࣄͷྖҬʢNow!ʣ
    ͜ͷล΋
    ͨ·ʹ΍Δ
    ΍͖͏
    ˞͜ͷล͕໿ׂ
    

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27. ʁʁʁʮͨ·ʹ΍ΔͳΒεΫϥϜ͍Βϯΰʯ
    …ͱ͍͏ཧ༝Ͱࠓ͸εΫϥϜΛࣺͯ·ͨ͠
    ͘͢ΒΉ
    

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28. ԿނεΫϥϜΛࣺ͔ͯͨʁ
    • ʲ௒ॏཁʳΤϯδχΞɾνʔϜ͸ࢲҰਓʢͩͬͨʣ
    • ۀ຿্ͷίϛϡχέʔγϣϯ͸ࢲͱΦʔφʔతͳਓʢओʹࣾ௕ʣͰด͡Δ

    ˠͦ͜͸͓ޓ͍ͷ৴པ&ࣗ෼ͷιϧδϟʔϫʔΫͰ໰୊ͳ͠
    • ৴པͰ͖ͯΔͷʹϓϥΫςΟεΛ΍Δͱ͔ίετ͕ਖ਼௚΋͍ͬͨͳ͍

    ˞εΫϥϜ͸ͪΌΜͱ΍Δͱ໺฻͍ͬͨॴ͕͋Δʢͱ͍͏ೝࣝʣ
    • ޷͖ͳ⽁Λɺඞཁे෼ͳϦιʔεͱ؀ڥͰ΍ΕͯΔ

    ˠιϧδϟʔϫʔΫͰ΋ϝϯόʔʢࢲʣͷ৺ཧత҆શੑ͸อͨΕ͍ͯΔ

    ɹগ਺ਫ਼Ӷ&ͦͷ৔ʹʢSlackʹʣ୭͔ډΔͷͰ૬ஊͪ͠Ό͑͹͍͍
    • ಈ͍ͯՁ஋ग़͍ͯΕ͹OKʂ...ͬͯɺ͜͜·ͰདྷͨΒεΫϥϜ͍Βͳ͘Ͷʁʁʁ
    

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29. εΫϥϜΑΓؤுΔ΂͖ॴ
    • ϓϩδΣΫτɾ΍Δ͜ͱͷݴޠԽ
    • ΤϯδχΞ͸ࢲҰਓͰ΋ɺʮ͍ΖΜͳϝϯόʔʯ͕͍Δ
    • ʮ͍ΖΜͳϝϯόʔʯ͸ඞͣ͠΋ITɾٕज़ʹ໌Δ͍Θ͚Ͱ͸ͳ͍
    • ݴޠԽΛ্ͨ͠ͰαʔϏεɾνʔϜͷ௥ٻ͢ΔՁ஋؍ɾࢥ૝ͷϕΫτϧΛ߹ΘͤΔ
    • ϝϯόʔͱࣗ෼ͷ޾ͤʢ͠ΜͲ͍࣌ظ΋৺ཧత҆શੑ͕ͱΕ͍ͯΔ͜ͱʣ
    • ۩ମతͳϓϥΫςΟεͱ͔׆ಈ
    • ΠϯηϓγϣϯσοΩʢ΍Δ΍Βએݴɺ࣮ݱ࣌ظ΍ROIͷݴޠԽʣ
    • Χϯόϯʢঢ়گͷݟ͑ΔԽɺಁ໌ײΛग़͢ʣ
    • Πγϡʔۦಈʢ͢΂ͯͷλεΫʹΠγϡʔΛ΋ͨͤΔɺແବͳ͜ͱ͠ͳ͍༷ʣ
    • ҰਓɾΈΜͳͰ໺ٿΛΈΔɾָ͠Ήɺ͍͍ϞϊΛ৯΂ΔʢRetty࣌୅͔Βͷϧʔϧʣ
    

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30. ͭ·Γɺ͜ΕΛ࠷଎࠷୹Ͱ΍Δ͜ͱ͕େࣄʂ
    ※ख๏ɾϓϥΫςΟε͸͕ܾ࣠·ͬͨΒܾΊͯ΍Γ͖Δ
    

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31. ͱ͸͍͑Ͱ͢Α
    

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32. ͍͔ͭεΫϥϜΛर͏೔͕དྷΔϋζʁ
    ࠓ͸ΤϯδχΞ͕2໊ʢ+ֶੜΠϯλʔϯ1໊ʣɺࠓޙ΋૿΍͢΂͘࠾༻த
    ϑϧλΠϜͰ4ਓҎ্ʹͳͬͨΒεΫϥϜΛ΍Δ࣌ظ͕དྷΔ͔΋͠Εͳ͍ʢ๮ಡΈʣ
    

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33. εΫϥϜΛ΋͏Ұ౓
    र͍௚͢ͱ͖͸(ΦωΦ)
    

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34. νʔϜʹ߹ΘͤͯݴޠԽ͔Β΍Γ௚͠·͢ʂ
    User HappyΛ͑͞͞ΔΞδϟΠϧͷίίϩͱεΫϥϜͷΩϗϯ
    https://www.slideshare.net/shinyorke/user-happyretty-way
    ※Retty࣌୅ͷ࡞඼Ͱ͢ʢखલຯḩʣ
    

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35. ·ͱΊʢେ੾ͳͷͰೋ౓ݴ͏ʣ
    • ݴޠԽ 33 - 4 ϓϥΫςΟε
    • ϓϥΫςΟεɾख๏͸ϑΣʔζͰ౎౓มΘΔ
    • αʔϏεˍࣗ෼ͱνʔϜ͕޾ͤͳํ޲ʹ

    ΍͍ͬͯ͘ͷ͕Ұ൪ॏཁ
    • εΫϥϜ͕ສೳʢΠέͯΔʣͱ͸ݶΒͳ͍ʂ
    

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36. ΞδϟΠϧɾεΫϥϜͷ࣮ફ͸”ਏ͍”͜ͱ΋͋Δ͚Ͳ
    ϗϯτʹඞཁ͔Ͳ͏͔ߟ͔͑ͯΒ΍Δͱ͍͍ͱࢥ͏Αʂ
    

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37. ήʔϜηοτ
    ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠&Retty݄ؒ4,000ສϢʔβʔ͓ΊͰͱ͏͍͟͝·͢ʂ
    Shinichi Nakagawa(Twitter/Facebook/etc… @shinyorke)
    

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