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スクラムを「投げ捨てる」-必要になるまでやらない勇気

 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/

Shinichi Nakagawa

December 18, 2018
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  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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