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20230826_ScrumFestSendai_iwamu

takusamar
August 26, 2023

 20230826_ScrumFestSendai_iwamu

2023/08/26(Sat)
スクラムフェス仙台2023
プロダクトオーナーの判断を軽くするのが開発者の仕事
〜まじサーバントな開発者の心得〜
The Way of Truly Servant-Minded Developers

takusamar

August 26, 2023
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Transcript

  1. 4DSVN'FTU4FOEBJ
    4BU

    :PH"HJMF&OHJOFFS
    ؠଜɹୖ
    ϓϩμΫτΦʔφʔͷ൑அΛܰ͘͢Δͷ͕։ൃऀͷ࢓ࣄ
    ʙ·͡αʔόϯτͳ։ൃऀͷ৺ಘʙ
    The Way of Truly Servant-Minded Developers

    View Slide

  2. ԭೄࡏॅ
    ϑϦʔϥϯεΤϯδχΞϤΨΠϯετϥΫλʔ
    ؠଜɹୖ
    ͍ΘΉʔˏϤΨ͸͍͍ͧ
    !UBLVTBNBS
    ࣗݾ঺հ
    ৽نࣄۀɾελʔτΞοϓͷ1P$։ൃ
    ओʹϑϩϯτΤϯυΛ୲౰

    View Slide

  3. "ZVSWFEB
    ΞʔϢϧ
    ੜ໋
    ϰΣʔμ
    ஌ࣝʗՊֶ

    View Slide

  4. ʙ·͡αʔόϯτͳ։ൃऀͷ৺ಘʙ
    The Way of Truly Servant-Minded Developers
    ຊ೔ͷ͓࿩
    ·͡αʔόϯτɿ

    ϓϩμΫτΦʔφʔͷ൑அΛܰ͘͢Δͷ͕։ൃऀͷ࢓ࣄ

    View Slide

  5. ͳͥɺ͜ΕΛ࿩ͦ͏ͱࢥ͔ͬͨ
    εΫϥϜϑΣεେࡕௗऔτϥοΫ
    ͜ͷηογϣϯ͸
    ʮೋਓ໨ʹགྷΔਓʯͷڞ௨఺
    ΁ͷΞϯαʔιϯάͰ͢

    View Slide

  6. ͳͥɺ͜ΕΛ࿩ͦ͏ͱࢥ͔ͬͨ
    εΫϥϜϑΣεେࡕௗऔτϥοΫͷ%JTDPSE
    ͜ͷ࣭໰ʹճ౴͍ͨ͠
    ࣗ෼ࣗ਎ͷαʔόϯτؾ࣭Λਂ۷Γ͍ͨ͠
    ੜདྷαʔόϯτͳͷ͔ʁ
    ܇࿅ͰͳΜͱ͔ͳΔʁ
    ༮গظʹԿ͔͋ͬͨʁ

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  7. ௒୹ظؒͷ1P$ݱ৔Ͱى͖͍ͯΔ͜ͱ
    ։࢝௚ޙ͸ϕϩγςΟ͕҆ఆ͠ͳ͍

    ్த͔ΒҰؾʹՃ଎͠3FBEZͷόοΫϩά͕଍Γͳ͍

    Ϣʔβʔ͔Β͞·͟·ͳϑΟʔυόοΫ͕دͤΒΕΔ
    ௒୹ظؒͷ1P$ɿ

    10͸ෆ҆
    10͸যΔ
    10͸໎͏

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  8. 10͸๩͍͠
    ্࢘ɺϢʔβʔɺؔ܎෦ॺɺ͍ΖΜͳεςʔΫϗϧμʔ
    ͱͷ΍ΓͱΓ͕ಉ࣌ଟൃ

    ͞·͟·ͳۀ຿Λඇಉظతʹ΍Γͳ͕ΒϓϩμΫτόο
    ΫϩάΛॻ͔ͳ͚Ε͹͍͚ͳ͍

    ΤϯδχΞग़਎ͷ10ʹ͋Γ͕ͪͳʮ͍࣮ͭ૷ํ๏Λߟ͑
    ͯ͠·͏ʯ

    View Slide

  9. ։ൃऀ͕Ͱ͖Δ͜ͱJTԿ
    ͪΌͿ୆ฦ͠ΛڪΕͳ͍

    ޱบ͸ʮͦ΋ͦ΋ͳΜͰʙʙ͚ͩͬʯ

    ͭ͘Βͳ͍ͷ͕࠷ߴͷ։ൃ

    10WT։ൃऀʹͳΒͳ͍Α͏ʹʂ
    4.͚ͩͰͳ͘
    ։ൃऀ΋10Λࢧԉ͢Δ

    View Slide

  10. ࣄྫ̍ɹϢʔβʔετʔϦʔ෼ׂ
    ձһ
    ΞΧ΢ϯτ
    ήετ
    ΞΧ΢ϯτ
    ػೳ" ̋ ̋
    ػೳ# ̋ ˚
    ػೳ$ ̋ º
    6*͸ࣅͯΔ͕ॲཧ΍
    ಺෦σʔλߏ଄͕ҧ͏
    ػೳ#Λ̍ݸͷϢʔβʔ
    ετʔϦʔͰ࣮૷͠Α͏
    ͱ͢Δͱɺ͔ͳΓෳࡶʹ
    ͳΓͦ͏

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  11. ࣄྫ̍ɹϢʔβʔετʔϦʔ෼ׂ
    ։ൃऀ"ʮήετ͕ػೳ#Λ࢖͑ͳ͔ͬͨΒࢮ͵Μ͚ͩͬʁʯ
    ։ൃऀ#ʮͳͯ͘΋ࢮͳͳ͍ΑͶʯ
    ։ൃऀ$ʮͦ΋ͦ΋ήετ͸ػೳ#Λ͋·Γ࢖Θͳͦ͏ʯ
    ։ൃऀ"ʮ͡Ό͋ػೳ#ͷϢʔβʔετʔϦʔ͸ήετΛର৅֎ʹ͠·͔͢ʯ
    10ʮ0,ɺͦ͏͠·͠ΐ͏ʯ
    ඇΞδϟΠϧͳࠒͷࣗ෼͸
    ࢓༷ॻʹॻ͔Ε͍ͯΔ͜ͱ͸࣮૷͢Δ
    ͷ͕౰વͩͱࢥ͍ͬͯͨ
    ։ൃऀ͕10ͷࢥߟΛτϨʔε͠
    10ͷ޲͜͏ଆʹ͍ΔϢʔβʔ͕
    ݟ͍͑ͯΔঢ়ଶ

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  12. ࣄྫ̎ɹٕज़తෛ࠴
    ։ൃऀ"ʮͱΓ͋͑ͣಈ͘͠ɺ͜ΕͰϦϦʔε͢Δʁʯ
    ։ൃऀ#ʮ͜ͷ··ͩͱকདྷࠔΓͦ͏͔ͩΒॻ͖௚͍ͨ͠ͳʔʯ
    ։ൃऀ"ʮॻ͖௚͢ͷʹͲͷ͘Β͍͔͔Γͦ͏ʁʯ
    ։ൃऀ#ʮ೔͋Ε͹͍͚Δ͸ͣʯ
    ։ൃऀ"ʮࠓ೔ϦϦʔεͯ͠ޙͰ௚͢ʁ໌೔ϦϦʔεͰ΋͍͍ʁʯ
    10ʮϦϦʔε͸໌೔Ͱ΋͍͍ͬ͢Αʯ
    ඇΞδϟΠϧͳࠒͷࣗ෼͸
    Ͱ͖Δ͚ͩૣ͘Ձ஋Λఏڙ͠Α͏
    ͱ͍͏ҙ͕ࣝͳ͔ͬͨ
    ։ൃऀ͕10ͷؾ࣋ͪΛτϨʔε͠
    10ͷஔ͔Ε͍ͯΔঢ়گ͕
    ݟ͍͑ͯΔঢ়ଶ

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  13. l·͡αʔόϯτzͷ৺ߏ͑
    ૬खͷۺΛཤ͘ɻ

    Λ૝૾͢Δɻ
    ˠͭ·ΓʮڞײʯͰ͢Ͷ

    View Slide

  14. Ͱ΋ڞײͬͯͳʹʁ
    εΫϥϜϑΣε৽ׁ ৘ಈతڞײɿڞ໐
    ૬खͷײ৘ͷग़ྗ͔Β৺৘Λਪଌ͢Δ
    ૬खͷຊ౰ͷؾ࣋ͪΛແࢹͨ͠ɺਪଌͷԡͭ͠
    ͚ʹͳΔ
    ೝ஌తڞײɿཧղ
    ૬खͷঢ়گ΍จ຺ɺීஈͷৼΔ෣͍ͷಛ௃ͳͲ
    ͔Βɺײ৘Λਪଌ͢Δ
    Թ͔Έ΍਌਎͞ʹ͔͚ͨɺ৺ͷͳ͍΋ͷʹͳΔ
    ڞײͱ͸ɺ૬खͷੑ֨ɺܦݧɺਓੜɺࢥߟΛ

    τϨʔεͯͦ͠ͷਓʹͳΔ͜ͱ

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  15. Ͱ΋ڞײͬͯͳʹʁ
    εΫϥϜϑΣε৽ׁ ৘ಈతڞײɿڞ໐
    ૬खͷײ৘ͷग़ྗ͔Β৺৘Λਪଌ͢Δ
    ૬खͷຊ౰ͷؾ࣋ͪΛແࢹͨ͠ɺਪଌͷԡͭ͠
    ͚ʹͳΔ
    ೝ஌తڞײɿཧղ
    ૬खͷঢ়گ΍จ຺ɺීஈͷৼΔ෣͍ͷಛ௃ͳͲ
    ͔Βɺײ৘Λਪଌ͢Δ
    Թ͔Έ΍਌਎͞ʹ͔͚ͨɺ৺ͷͳ͍΋ͷʹͳΔ
    ڞײͱ͸ɺ૬खͷੑ֨ɺܦݧɺਓੜɺࢥߟΛ

    τϨʔεͯͦ͠ͷਓʹͳΔ͜ͱ
    ݁ہɺࣗ෼͕૬खͷ͜ͱΛ
    Ͳ͏ࢥ͍ͬͯΔ͔ʹґଘͯ͠͠·͏
    ͦΕ͸ࣗ෼ͷதʹͭͬͨ͘
    ૬खͷʮӨ૾ʯʹ͗͢ͳ͍

    View Slide

  16. τϨʔεͷζϨΛௐ੔͢Δʹ͸
    εΫϥϜϑΣεઋ୆
    ૬खͱͷର࿩͔Β
    ϑΟʔυόοΫΛಘͯ
    τϨʔεͷζϨΛௐ੔

    View Slide

  17. ·͡αʔόϯτɿ

    l·͡αʔόϯτzͷ৺ߏ͑
    w૬खͷੑ֨ɺܦݧɺਓੜɺࢥߟΛτϨʔε͢Δ
    wτϨʔεͱ࣮ࡍͷ૬खͱͷζϨΛର࿩ͷதͰײ͡ͱΔ
    wࣗ෼ͷதʹ͋Δ૬खͷӨ૾Λߋ৽͢Δ
    ࣗ෼͕ະܦݧͷ΋ͷΛ

    τϨʔε͢Δͷ͸ࠔ೉
    ͍ΖΜͳܦݧΛੵ΋͏
    10ΛτϨʔε͢ΔͳΒ

    10ʢ͋Δ͍͸ͦΕʹ͍ۙʣ

    ܦݧΛͯ͠ΈΔ

    View Slide

  18. l·͡αʔόϯτz΋λμ͡Όͳ͍
    ٕज़ྗ






    αʔόϯτྗ
    ࣗ෼ͷϦιʔεΛͲ͏഑෼͢Δ͔
    શһ͕αʔόϯτʹͳΔඞཁ͸ͳ͍ɻ

    ͞·͟·ͳλΠϓͷϝϯόʔ͕͍ͯ

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  19. ʢ͔͜͜Βઌ͸ࣗ෼ޠΓʣ

    View Slide

  20. ͳͥࢲ͸αʔόϯτͰ͋Ζ͏ͱ͢Δͷ͔
    ࢲ͸ΤϯδχΞͱͯ͠ͷεΩϧ͕௿͍ͱײ͍ͯ͡Δ
    ٕज़͚ͩͰ͸উෛͰ͖ͳ͍ͷͰ
    ʴЋͷՁ஋Λఏڙ͢Δඞཁ͕͋Δ
    ͦΕ͕ࢲͷ৔߹͸αʔόϯτγοϓͩͬͨ

    View Slide

  21. ԿΛ΍ͬͯ΋Ұ൪ʹ͸ͳΕͳ͔ͬͨ
    খʙதֶߍ
    ໺ٿ෦
    ߴߍɾେֶ
    ֶߍͷ੒੷
    େֶ
    உ੠߹এ
    ࣾձਓ
    ϓϩάϥϛϯά
    Ұ൪্ख͍ਓΛ؍࡯ͯ͠τϨʔε͢Δ
    ੜ͖࢒ΔͨΊɺଞਓͱͷࠩผԽΛਤΔ

    View Slide

  22. 10Λࢧԉ͢Δ։ൃऀʹͳΖ͏
    10͕ݟ͍ͯΔܠ৭ΛҰॹʹݟΔ

    The Way of Truly Servant-Minded Developers

    View Slide

  23. ࠓ೔͓ձ͍ͨ͠օ༷͕਎΋৺΋݈߁Ͱաͤ͝·͢Α͏ʹ
    4DSVN'FTU4FOEBJ
    ϓϩμΫτΦʔφʔͷ൑அΛܰ͘͢Δͷ͕։ൃऀͷ࢓ࣄ
    ʙ·͡αʔόϯτͳ։ൃऀͷ৺ಘʙ
    AYUBOWAN
    The Way of Truly Servant-Minded Developers

    View Slide