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Flutter/Dartと共に歩んだスタートアップの開発を振り返って得た、成功と失敗の教訓

 Flutter/Dartと共に歩んだスタートアップの開発を振り返って得た、成功と失敗の教訓

Kazuki YAMAGUCHI
PRO

November 17, 2022
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  1. ©10X, Inc. All Rights Reserved. Flutter/DartͱڞʹาΜͩελʔτΞοϓͷ։ൃΛৼΓฦͬͯಘͨɺ
 ੒ޭͱࣦഊͷڭ܇ ࣾ಺ࢿྉ 1 FlutterKaigi

    2022 גࣜձࣾ10X yamarkz
  2. ©10X, Inc. All Rights Reserved. 2 ࣗݾ঺հ Kazuki Yamaguchi yamakazu

    (@yamarkz) Software Engineer at 10X, inc. Flutter, Dart, Kubernetes, Architecture
  3. ©10X, Inc. All Rights Reserved. ࠓ೔ͷ࿩ͷίϯηϓτ • ڽٕͬͨज़ͷ࿩͸͠·ͤΜ
 • Flutter

    & Dartͱ͍͏৽ڵٕज़ʹṌ͚ͨελʔτΞοϓͷ։ൃΛৼΓฦΔ
 • ݴޠ౷Ұ։ൃͱ͍͏։ൃελΠϧͷҙࢥܾఆʹࢸͬͨܦҢ
 • ٕज़ҙࢥܾఆΛৼΓฦͬͯ໌Β͔ʹͳͬͨ੒ޭͱࣦഊͷڭ܇ 3 10XͷϓϩμΫτͰ͋ΔStailerΛ୊ࡐʹɺॳظ։ൃ͔Β͜Ε·Ͱͷ։ൃΛৼΓฦΔɻ 
 ٕज़ҙࢥܾఆʹয఺Λ౰ͯɺCTO΍Tech Leadͱ͍ͬͨํͷࢀߟʹͳΔΑ͏ͳ࿩ʹ·ͱΊ·ͨ͠ɻ
  4. ©10X, Inc. All Rights Reserved. Ξ΢τϥΠϯ 1. Stailerͷࣄۀ / ϓϩμΫτ

    / ૊৫
 2. ։ൃݴޠΛ౷Ұ͢Δͱ͍͏ҙࢥܾఆ
 3. ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇
 4. ڭ܇Λ࣍ʹ׆͔ͨ͢Ίͷߟ͑ 4
  5. ©10X, Inc. All Rights Reserved. 5 Stailerͷࣄۀ / ϓϩμΫτ /

    ૊৫
  6. 6 ©︎ 2021-2022 10X, Inc. νΣʔϯετΞ&$ 
 ਨ௚্ཱͪ͛ϓϥοτϑΥʔϜ

  7. ©10X, Inc. All Rights Reserved. 7 εʔύʔϚʔέοτ΍υϥοάετΞͷ E-commerce ΞϓϦ੍࡞͔ΒΦϖϨʔγϣϯ·Ͱʢৄ͘͠͸࣍ͷϖʔδʣ ΠϯςάϨʔλͰͳ͘ϓϥοτϑΥʔϜ


    https://yamotty.tokyo/post/20220605 Smart retailer νΣʔϯετΞEC ਨ௚্ཱͪ͛ ϓϥοτϑΥʔϜ Stailer Stailerͷࣄۀ / ϓϩμΫτ / ૊৫
  8. ©10X, Inc. All Rights Reserved. ࣄۀ্ཱͪ͛ʹඞཁͳશͯΛαϙʔτ 8 Stailerͷࣄۀ / ϓϩμΫτ

    / ૊৫ ελοϑΞϓϦ ؅ཧը໘ ͓٬༷ΞϓϦ 4UBJMFSͷϢʔβʔ ύʔτφʔαΠυ খചຊ෦ ళฮελοϑ ഑ૹελοϑ 4UBJMFSͷϢʔβʔ ͓٬༷ ࡏݿ؅ཧ ച্֬ఆ 104࿈ܞ ϐοΩϯά ύοΩϯά ͓٬༷΁ͷ͝࿈བྷ ϥετϚΠϧ ഑ૹۀ຿ ਺ສ4,6ͷத͔Β঎඼Λબͼ ͓ങ͍෺Λ͢Δ
  9. ©10X, Inc. All Rights Reserved. 9 Stailerͷࣄۀ / ϓϩμΫτ /

    ૊৫ ϞόΠϧϑΝʔετͳϓϩμΫτ • ͓٬༷ͷΞϓϦͱελοϑΞϓϦ(ళฮ&഑ૹ)Λఏڙ • εϚϗγϑτ͕ਐΜͩ2020೥୅ʹ࠷దԽͨ͠ܗ • iOS/AndroidͦΕͧΕͰల։ • ࢢҪͷਓʑͷੜ׆ʹɺ৽͍͠ങ͍෺ͷબ୒ࢶΛ • αʔϏεΛࢧ͑ΔύʔτφʔʹɺΑΓྑ͍ۀ຿ମݧΛ
  10. ©10X, Inc. All Rights Reserved. 10 ύʔτφʔϞσϧͰࣄۀΛల։ ૯߹εʔύʔ υϥοάετΞ ৯඼εʔύʔ

    ങ͍෺୅ߦ Stailerͷࣄۀ / ϓϩμΫτ / ૊৫ ύʔτφʔϞσϧͰࣄۀΛల։ɻ2022/10࣌఺Ͱ9αʔϏεΛϩʔϯν
 εʔύʔʹݶΒͣɺങ͍෺୅ߦ΍υϥοάετΞ΋αϙʔτ
  11. ©10X, Inc. All Rights Reserved. 11 2020/5 4UBJMFSϦϦʔε ԯԁௐୡ 2017/12

    ݙཱਪનΞϓϦ ʮλϕϦʔʯϦϦʔε 2019/5 λϕϦʔΦϯϥΠϯ ஫จػೳϦϦʔε 2019/9 ࣗࣾωοτεʔύʔ λϕΫϧݕূ 2021/7 γϦʔζ# ԯԁௐୡ ૑ۀʙݙཱਪનΞϓϦʮλϕϦʔʯ։ൃ ωοτεʔύʔΞϓϦ։ൃɾ 4UBJMFS΁ͷస׵ શαϓϥΠνΣʔϯΛ౷ׅ͢Δ lWhole Productz΁ 0 100 2017/06 2017/12 2018/06 2018/12 2019/06 2019/12 2020/06 2020/12 2021/06 2022/01 2022/10 85໊ 46໊ 28໊ 18໊ 13໊ 8໊ 7໊ 5໊ 5໊ 3໊ 2໊ ϓϩμΫτͷ੒௕ʹ߹Θͤͯ૊৫΋֦େ 11 Stailerͷࣄۀ / ϓϩμΫτ / ૊৫
  12. ©10X, Inc. All Rights Reserved. 12 • 2022೥11݄࣌఺Ͱ9ύʔτφʔɺ16ΞϓϦ(͓٬༷ / ελοϑ)ΛϦϦʔε

    • ϩʔϯν࣌13໊(಺ΤϯδχΞ7໊) ͔Βɺ85໊ (಺ΤϯδχΞ23໊) ·Ͱ૊৫֦େ • ૯߹εʔύʔΛॳΊͱͯ͠ɺ৯඼εʔύʔɺങ͍෺୅ߦɺυϥοάετΞʹ΋ల։ • ͓٬༷ΞϓϦɺελοϑΞϓϦɺ͓٬༷Webɺ؅ཧը໘·ͰΛఏڙ • ೔ৗੜ׆ʹ͔ܽͤͳ͍ߪങ׆ಈΛࢧ͑ΔϓϩμΫτ • ࣗࣾͰ׬݁͠ͳ͍ɺύʔτφʔͱڠۀͰ࡞ΔϓϩμΫτ ୺తʹ·ͱΊΔͱ ͜ͷ্ཱͪ͛ͱ੒௕Λࢧٕ͑ͨज़ҙࢥܾఆʹয఺Λ౰ͯɺߟ࡯͍͖ͯ͠·͢ Stailerͷࣄۀ / ϓϩμΫτ / ૊৫
  13. ©10X, Inc. All Rights Reserved. 13 ։ൃݴޠΛ౷Ұ͢Δͱ͍͏ҙࢥܾఆ

  14. ©10X, Inc. All Rights Reserved. 14 DartͱݴͬͨΒFlutterɺαʔόʔ΋Dart…? Flutter Dart Stailer͸ΫϥΠΞϯτͱαʔόʔͰDartΛ࠾༻

    ։ൃݴޠΛ౷Ұ͢Δͱ͍͏ҙࢥܾఆ App (iOS & Android & Web) Server (API & Batch & Worker)
  15. ©10X, Inc. All Rights Reserved. 15 ҙࢥܾఆલ (ٕज़ݕূ࣌) ҙࢥܾఆޙ 2019/12ʹҙࢥܾఆΛߦ͏

    ։ൃݴޠΛ౷Ұ͢Δͱ͍͏ҙࢥܾఆ ҙࢥܾఆͨ͠2019೥͸ࠃ಺Ͱ΋FlutterΛ࠾༻͢Δࣄྫ͸গͳ͍ঢ়گɻ ͞Βʹαʔόʔͷ։ൃΛDartͰ΍Δͱ͍͏࿩͸ɺੈքతʹݟͯ΋঎༻Ͱ͸੒ޭྫ͕ͳ͔ͬͨɻ
  16. ©10X, Inc. All Rights Reserved. 16 ։ൃݴޠΛ౷Ұ͢Δͱ͍͏ҙࢥܾఆ Flutter/Dartͱ͍͏ҙࢥܾఆΛࢧ͑ͨࠜڌ  ࣄۀಛੑͷےͷྑ͍༧ଌ

    w ϞόΠϧϑΝʔετͳ&$ 4BB4ͱ͍͏ಛ௃͔Β1'ݻ༗ػೳʹڧ͘ґଘ͢ΔՄೳੑ͕௿͍ͱ൑அ w 4BB4Ͱ͋Δ͜ͱ͔ΒϓϩμΫτ͕ෳࡶʹͳΔ͜ͱ͸ࣗ໌Ͱ͋ͬͨͨΊɺٕज़ΛͳΔ΂͘୯७ʹ͢Δ  ϝϯόʔͷڧ͍Φʔφʔγοϓ͔Βੜ·ΕΔಥഁྗ w ٕज़՝୊͕ੜ·Εͯ΋ࣗྗͰղܾͰ͖Δ͚ͩͷεΩϧΛ࣋ͭϝϯόʔ͕ॳظ͔Βଗ͍ͬͯͨ w ݸʑਓͷΦʔφʔγοϓͷൃش͔Βࣗ཯తʹ։ൃ͕ਐΉ૊৫จԽ  ྖҬΛԣஅ͢Δ։ൃελΠϧ΁ͷࢤ޲ w ਓ͕J04"OESPJE4FSWFSΛ։ൃ͢Δͱ͍͏ྖҬԣஅܕͷ։ൃελΠϧΛࢤ޲͖͍ͯͯͨ͠ w ։ൃελΠϧΛม͑ͣʹٕज़બ୒ʹΑͬͯ։ൃޮ཰ͷ࠷େԽΛ໛ࡧ
  17. ©10X, Inc. All Rights Reserved. 17 ։ൃݴޠΛ౷Ұ͢Δͱ͍͏ҙࢥܾఆ Flutter/Dartͱ͍͏ҙࢥܾఆΛࢧ͑ͨࠜڌ  ࣄۀಛੑͷےͷྑ͍༧ଌ

    Ծઆ  w ϞόΠϧϑΝʔετͳ&$ 4BB4ͱ͍͏ಛ௃͔Β1'ݻ༗ػೳʹڧ͘ґଘ͢ΔՄೳੑ͕௿͍ͱ൑அ w 4BB4Ͱ͋Δ͜ͱ͔ΒϓϩμΫτ͕ෳࡶʹͳΔ͜ͱ͸ࣗ໌Ͱ͋ͬͨͨΊɺٕज़ΛͳΔ΂͘୯७ʹ͢Δ  ϝϯόʔͷڧ͍Φʔφʔγοϓ͔Βੜ·ΕΔಥഁྗ ࣄ࣮  w ٕज़՝୊͕ੜ·Εͯ΋ࣗྗͰղܾͰ͖Δ͚ͩͷεΩϧΛ࣋ͭϝϯόʔ͕ॳظ͔Βଗ͍ͬͯͨ w ݸʑਓͷΦʔφʔγοϓͷൃش͔Βࣗ཯తʹ։ൃ͕ਐΉ૊৫จԽ  ྖҬΛԣஅ͢Δ։ൃελΠϧ΁ͷࢤ޲ ئ๬  w ਓ͕J04"OESPJE4FSWFSΛ։ൃ͢Δͱ͍͏ྖҬԣஅܕͷ։ൃελΠϧΛࢤ޲͖͍ͯͯͨ͠ w ։ൃελΠϧΛม͑ͣʹٕज़બ୒ʹΑͬͯ։ൃޮ཰ͷ࠷େԽΛ໛ࡧ ະ੒ख़ͳٕज़ΛબͿ͜ͱ͸๯ݥతͳҙࢥܾఆ(ϦεΫςΠΫ)Ͱ͋Δ͕ɺ 
 ͦΕΛࢧ͑Δࠜڌ͸֬౓ͷߴ͍Ծઆͱܦݧ͔Βͷࣄ࣮ɺ͋Γ͍ͨ࢟ͷئ๬͔Βಋ͖ग़͞Εͨ
  18. ©10X, Inc. All Rights Reserved. 18 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇

  19. ©10X, Inc. All Rights Reserved. 19 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ ٕज़ҙࢥܾఆͷ੒ޭڭ܇  ݴޠ౷ҰʹΑͬͯಘΒΕͨ૊৫ͷέΠύϏϦςΟ

    ΞδϦςΟ ྲྀಈੑ ֶश༰қੑ  w ։ൃݴޠͷίϯςΩετεΠον͕ͳ͍ͷͰɺྖҬԣஅ։ൃ͕༰қʹͰ͖Δঢ়گ w ݁Ռɺϝϯόʔ഑ஔͷྲྀಈੑ͕ߴ͍ঢ়ଶ͕࡞ΕɺࣄۀཁٻʹదԠ͠΍͍͢ঢ়ଶʹ  ΫϩεϓϥοτϑΥʔϜͰ͋Δ͜ͱʹΑΔ؅ཧର৅ͷ࡟ݮ ϙʔλϏϦςΟ อकੑ  w "OESPJEJ04Ͱ͓٬༷ͱελοϑ߹ΘͤͯΞϓϦ͕ɺ91Ͱ࣮࣭ΞϓϦͷ؅ཧͰࡁΉঢ়گ w ݁Ռɺύʔτφʔ͕/਺ʹ૿͑ͯ΋গͳ͍ϝϯόʔͰ؅ཧՄೳͳঢ়ଶʹ ٕज़ʹṌ͚ͯɺϓϩμΫτͷ੒ޭΛ৴ͯ͡૸͖ͬͯͨதͰݟ͖͑ͯͨ͜ͱɻ
  20. ©10X, Inc. All Rights Reserved. 20 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ ٕज़ҙࢥܾఆͷ੒ޭڭ܇  ݴޠ౷ҰʹΑͬͯಘΒΕͨ૊৫ͷέΠύϏϦςΟ

    ΞδϦςΟ ྲྀಈੑ ֶश༰қੑ  w ։ൃݴޠͷίϯςΩετεΠον͕ͳ͍ͷͰɺྖҬԣஅ։ൃ͕༰қʹͰ͖Δঢ়گ w ݁Ռɺϝϯόʔ഑ஔͷྲྀಈੑ͕ߴ͍ঢ়ଶ͕࡞ΕɺࣄۀཁٻʹదԠ͠΍͍͢ঢ়ଶʹ Ϧιʔεͷ࠷దԽ   ΫϩεϓϥοτϑΥʔϜͰ͋Δ͜ͱʹΑΔ؅ཧର৅ͷ࡟ݮ ϙʔλϏϦςΟ อकੑ  w "OESPJEJ04Ͱ͓٬༷ͱελοϑ߹ΘͤͯΞϓϦ͕ɺ91Ͱ࣮࣭ΞϓϦͷ؅ཧͰࡁΉঢ়گ w ݁Ռɺύʔτφʔ͕/਺ʹ૿͑ͯ΋গͳ͍ϝϯόʔͰ؅ཧՄೳͳঢ়ଶʹ ιϑτ΢ΣΞͷϨόϨοδ  ٕज़ʹṌ͚ͯɺϓϩμΫτͷ੒ޭΛ৴ͯ͡૸͖ͬͯͨதͰݟ͖͑ͯͨ͜ͱɻ Ϧιʔεͷ࠷దԽͱιϑτ΢ΣΞͷϨόϨοδͱ͍͏ঢ়ଶ͸ϓϩμΫτͷڝ૪ྗ
  21. ©10X, Inc. All Rights Reserved. 21 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ ٕज़ҙࢥܾఆͷࣦഊڭ܇  ഑ஔʹΑΔࣦഊ

     ཱͪࢭ·Γͷࣦഊ  ߈Ίͷࣦഊ  దԠ΁ͷࣦഊ ੒ޭ͚ͩͰ͸ͳ͘ɺࣦഊ΋͋Δɻ͕ͬͪ͜ຊ୊
  22. ©10X, Inc. All Rights Reserved. 22 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ ٕज़ҙࢥܾఆͷࣦഊڭ܇ 0 20

    2020/06 2020/12 2021/06 2022/01 2022/06 2022/10 16ΞϓϦ 14ΞϓϦ 6ΞϓϦ 5ΞϓϦ 2ΞϓϦ 1ΞϓϦ ্ཱͪ͛ظ4JUF$POUSPMMFS ্ཱͪ͛ظ4UBJMFS/BUJWF ੒௕ظ4UBJMFS/BUJWF 1. ഑ஔʹΑΔࣦഊ 3. ߈Ίͷࣦഊ 2. ཱͪࢭ·Γͷࣦഊ 4. దԠͷࣦഊ
  23. ©10X, Inc. All Rights Reserved. 4. దԠͷࣦഊ 23 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ ٕज़ҙࢥܾఆͷࣦഊڭ܇

    0 20 2020/06 2020/12 2021/06 2022/01 2022/06 2022/10 16ΞϓϦ 14ΞϓϦ 6ΞϓϦ 5ΞϓϦ 2ΞϓϦ 1ΞϓϦ ্ཱͪ͛ظ4JUF$POUSPMMFS ্ཱͪ͛ظ4UBJMFS/BUJWF ੒௕ظ4UBJMFS/BUJWF 3. ߈Ίͷࣦഊ 2. ཱͪࢭ·Γͷࣦഊ 1. ഑ஔʹΑΔࣦഊ
  24. ©10X, Inc. All Rights Reserved. 24 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ 1. ഑ஔʹΑΔࣦഊ ྲྀಈੑ͕ߴ͍͜ͱʹ؁͑ͯɺঢ়گʹ߹Θͤͯ഑ஔมߋස౓Λߴͨ݁͘͠Ռɺ࣮૷දݱ͕ଗΘͳ͍ʜ

    w ৽نϩʔϯνΛߦ͏தͰߴ͍ස౓Ͱϝϯόʔ഑ஔͷೖΕସ͑Λߦ͍ͬͯͨ w େ࿮͸ϒϨͳ͍΋ͷͷɺࡉ͔ͳՕॴͰݸʑਓͷࢤ޲ੑʹґଘ࣮ͨ͠૷ʹͳΔ w ਂ͍ಎ࡯Λݩʹ࣮ͨ͠૷දݱʹͳΓͮΒ͘ɺ҆қͳมߋ͕ੵΈॏͳͬͨঢ়ଶʹ ౰࣌ͷ഑ஔ׵͑ͷϩά͸࢒͍ͬͯͳ͔͕ͬͨɺ 
 ഁ஛ͷ੎͍Ͱ։ൃ͍ͯͨ͠
  25. ©10X, Inc. All Rights Reserved. 1. ഑ஔʹΑΔࣦഊ 4. దԠͷࣦഊ 25

    ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ ٕज़ҙࢥܾఆͷࣦഊڭ܇ 0 20 2020/06 2020/12 2021/06 2022/01 2022/06 2022/10 16ΞϓϦ 14ΞϓϦ 6ΞϓϦ 5ΞϓϦ 2ΞϓϦ 1ΞϓϦ ্ཱͪ͛ظ4JUF$POUSPMMFS ্ཱͪ͛ظ4UBJMFS/BUJWF ੒௕ظ4UBJMFS/BUJWF 3. ߈Ίͷࣦഊ 2. ཱͪࢭ·Γͷࣦഊ
  26. ©10X, Inc. All Rights Reserved. 26 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ 2. ཱͪࢭ·Γͷࣦഊ ڝ૪ྗͷखԠ͔͑Β߈Ίଓ͚ͨ݁Ռɺཱͪࢭ·ͬͯମࡋΛ੔͑ΔΞΫγϣϯ͕औΕͳ͍ʜ

    औΒͳ͔ͬͨ  w ॳظ։ൃͰݟۃΊ͖Εͳ͔ٕͬͨज़ෛ࠴Λฦࡁ͢ΔػձΛ࣋ͯͳ͔ͬͨ w ࣗ෼ୡͷҙࢥͷ༗ແͰ͸ͳ͘ɺࣄۀ੒௕ͷҾྗʹෛ͚ͯػձΛಘΒΕͳ͔ͬͨ w ౰࣌ͷνʔϜͰΑ͘ݴΘΕ͍ͯͨͷ͸ʮ༨༟Λ͍࣋ͪͨʯʮ༨ന͕ͳ͍ʯ ϝϯόʔ͔ΒͷΠγϡʔϨΠζ ༨നͷͳ͞Λࣔ͢౰࣌ͷεςʔλε…
  27. ©10X, Inc. All Rights Reserved. 2. ཱͪࢭ·Γͷࣦഊ 1. ഑ஔʹΑΔࣦഊ 4.

    దԠͷࣦഊ 27 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ ٕज़ҙࢥܾఆͷࣦഊڭ܇ 0 20 2020/06 2020/12 2021/06 2022/01 2022/06 2022/10 16ΞϓϦ 14ΞϓϦ 6ΞϓϦ 5ΞϓϦ 2ΞϓϦ 1ΞϓϦ ্ཱͪ͛ظ4JUF$POUSPMMFS ্ཱͪ͛ظ4UBJMFS/BUJWF ੒௕ظ4UBJMFS/BUJWF 3. ߈Ίͷࣦഊ
  28. ©10X, Inc. All Rights Reserved. 28 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ 3. ߈Ίͷࣦഊ ελʔτΞοϓͱͯ͠উͭͨΊͷ։ൃཁٻʹԠ͑ଓ͚ͨ

    ߈Ίଓ͚ͨ ݁Ռɺίʔυͷෳࡶੑ͕ߴ͍ঢ়ଶʹʜ w 4JUF$POUSPMMFSͱ4UBJMFS/BUJWFͱ͍͏ҟͳΔͭͷ࢓૊Έͷڞଘ "QQFOEJYΛࢀর  w ύʔτφʔ͝ͱʹएׯͷࠩҟ͕࢒Δ࢓༷ͱͦΕʹ෇ਵͨ͠෼ذॲཧ w 'MVUUFSGPS8FCΛ׆༻ͨ͠8FCΞϓϦέʔγϣϯ΁ͷରԠ w ্ཱͪ͛ʹ࠷దԽ͞ΕͨίʔυͱϦϓϨΠεʹ࠷దԽ͞Εͨίʔυͷڞଘ Site Controller 
 or Stailer Native 
 ඪ४ػೳ or 
 ݸผػೳ WebରԠ ্ཱͪ͛ 
 or 
 ϦϓϨΠε
  29. ©10X, Inc. All Rights Reserved. 3. ߈Ίͷࣦഊ 2. ཱͪࢭ·Γͷࣦഊ 1.

    ഑ஔʹΑΔࣦഊ 29 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ ٕज़ҙࢥܾఆͷࣦഊڭ܇ 0 20 2020/06 2020/12 2021/06 2022/01 2022/06 2022/10 16ΞϓϦ 14ΞϓϦ 6ΞϓϦ 5ΞϓϦ 2ΞϓϦ 1ΞϓϦ ্ཱͪ͛ظ4JUF$POUSPMMFS ্ཱͪ͛ظ4UBJMFS/BUJWF ੒௕ظ4UBJMFS/BUJWF 4. దԠͷࣦഊ
  30. ©10X, Inc. All Rights Reserved. 30 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ 4. దԠͷࣦഊ 

     ʹΑΓίʔυͱঢ়ଶ؅ཧͷෳࡶੑ͕ߴ͘ɺ৽ن։ൃཁٻʹΑͬͯ͸ഁ୼͢ΔՄೳੑ΋ʜ w ૉ௚ʹཁٻʹ౴͑Δͱഁ୼͢ΔՄೳੑɺલஈʹϦϑΝΫλϦϯά͕ඞཁͳ։ൃέʔε΋ੜ·Ε͖ͯͨ w ্ཱ͔ͪ͛Βͷϝϯόʔ͔͠೺ѲͰ͖͍ͯͳ͍࢓༷ͳͲ͕ੜ·Ε͍ͯΔ w ্ཱͪ͛ʹ੒ޭͨ͠΋ͷͷ·ͩ·ͩະख़ͳϓϩμΫτ w ࣄۀػձ͸ࠓ౓΋޿͕ΔݟࠐΈ ηϯλʔϞσϧ $3. Ϟδϡʔϧఏڙ ֎෦࿈ܞ εϚϗϨδ  ௚ۙͷ։ൃͰ͸લஈʹେ͖ΊͷϦϑΝΫλϦϯάΛڬΜͰ͍Δ
  31. ©10X, Inc. All Rights Reserved. 31 ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ ٕज़ҙࢥܾఆͷࣦഊڭ܇ 0 20

    2020/06 2020/12 2021/06 2022/01 2022/06 2022/10 16ΞϓϦ 14ΞϓϦ 6ΞϓϦ 5ΞϓϦ 2ΞϓϦ 1ΞϓϦ ্ཱͪ͛ظ4JUF$POUSPMMFS ্ཱͪ͛ظ4UBJMFS/BUJWF ੒௕ظ4UBJMFS/BUJWF 1. ഑ஔʹΑΔࣦഊ 3. ߈Ίͷࣦഊ 2. ཱͪࢭ·Γͷࣦഊ 4. దԠͷࣦഊ
  32. ©10X, Inc. All Rights Reserved. 32 ੒ޭͱࣦഊΛ౿·͑ͨݱঢ়Λɺ
 Ͳ͏ղऍ͍ͯ͠Δͷ͔…ʁ

  33. ©10X, Inc. All Rights Reserved. 33 ੒ޭͱࣦഊΛ౿·͑ͨݱঢ়ͷղऍ ٕज़ҙࢥܾఆͰಘΒΕͨ੒ޭͱࣦഊͷڭ܇ • ࣾ಺Ͱ΋৭ʑͳҙݟ͕͕͋ͬͨɺ͜Ε·Ͱͷઓ੷ʹ఺਺Λ͚ͭΔͳΒ70~80఺


    • Flutter/DartΛબΜ͔ͩΒͦ͜ࠓ͕͋Δ͠ɺઌͷػձʹԠ͍͚͑ͯΔϙςϯγϟϧ΋͋Δ
 • ϓϩμΫτ͸ෳࡶ͕ͩखߝ͸ѲΕ͍ͯΔঢ়ଶɺ͔͠͠՝୊͕ࢁੵΈ • ࣦഊڭ܇Λ׆͔͢औΓ૊Έ΋࢝·͍ͬͯΔ (AppendixΛࢀর)
 • Ձ஋͋Δڭ܇ΛಘΒΕͨ (࣍ͷষͰ঺հ)
  34. ©10X, Inc. All Rights Reserved. 34 ڭ܇Λ࣍ʹ׆͔ͨ͢Ίͷߟ͑

  35. ©10X, Inc. All Rights Reserved. ڭ܇Λ࣍ʹ׆͔ͨ͢Ίͷߟ͑ • ٕज़ҙࢥܾఆ͕੒௕ͷϙςϯγϟϧΛنఆ͢Δ
 • ߈ΊͱकΓΛݟۃΊΔ


    • ྲྀಈੑͷτϨʔυΦϑΛೝࣝ͠׆༻͢Δ
 • ௕ॴΛ࠷େԽͤ͞ɺ୹ॴΛ࠷খԽ͢Δ 35
  36. ©10X, Inc. All Rights Reserved. 36 ڭ܇Λ࣍ʹ׆͔ͨ͢Ίͷߟ͑ ٕज़ҙࢥܾఆ͕੒௕ͷϙςϯγϟϧΛنఆ͢Δ ٕज़ҙࢥܾఆͷॏཁੑ͸DX(Developer Experience)΍࠾༻ࢢ৔ͷ฼਺ɺٕज़ίϛϡχςΟ(ΤίγεςϜ)ɺ

    
 ٕज़ͷ੒ख़౓΍কདྷੑͱ͍ͬͨ֯౓Ͱઆ͔ΕΔ͜ͱ͕ଟ͍ɻ 
 
 ੈؒͰ͸͋·Γઆ͔Εͳ͍ɺٕज़ҙࢥܾఆ͕੒௕ͷϙςϯγϟϧΛنఆ͢Δͱ͍͏ਅཧ͕͋Δɻ Stailer͸͜ͷਅཧΛূ໌͢Δ޷ྫͩͬͨɻ 
 
 ʮFlutterͱDartΛબ୒͠ͳ͔ͬͨ৔߹ʹࠓͷ੒௕Λ࡞Ε͔ͨ…?ʯ 
 ಉ྅ʹ͜ͷ໰͍Λ౤͛ͯ΋Έͳڞ௨ͯ͠ʮແཧͩͬͨʯͱ౴͍͑ͯΔɻ 
 ٕज़ҙࢥܾఆʹΑͬͯ૊৫ͷέΠύϏϦςΟͱٕज़༏ҐੑΛಘ͔ͨΒͦ͜ɺ࣮ݱͰ͖ͨϓϩμΫτͱࣄۀͷ੒௕ ͕͋Δɻਂ͘ݕ౼ͤͣɺࣗ෼ୡ͕Ͱ͖Δͱ͜Ζ͔Β࢝Ί͍ͯͨΒࠓͷ੒௕͸ͳ͔ͬͨɻ 
 
 ҙࢥܾఆऀʹٻΊΒΕΔૉཆ͸ɺਅʹಘ͍ͨ΋ͷ͸Կ͔ʁͱ͍͏໰͍Λ௕ظͰߟ͑Δٯࢉੑͱɺ 
 ࣄۀͷউͪے(উࢉ)ΛݟۃΊΔಎ࡯ྗ͔΋͠Εͳ͍ɻ
  37. ©10X, Inc. All Rights Reserved. 37 ڭ܇Λ࣍ʹ׆͔ͨ͢Ίͷߟ͑ ߈ΊͱकΓΛݟۃΊΔ ελʔτΞοϓΒ͘͠߈Ίଓ͚ͨ͜ͱͰɺ૬ԠͷࣦഊΛ͖͕ͯͨ͠ɺ߈Ίͨ։ൃ͸ຊ౰ʹѱ͍ͷͩΖ͏͔…?
 ͜ͷ౴͑͸ཱ৔΍จ຺ʹΑͬͯมΘΔͷͰɺਖ਼ղ͸ͳ͍ɻ


    
 ݶΒΕͨػձʹԠ͍͑ͯ͘͜ͱ͕ελʔτΞοϓͷઓ͍ํͳΒɺ߈Ίͨ։ൃ͸ߠఆͰ͖Δɻ
 ػձΛ௫·ͳ͚Ε͹ઌ͕ͳ͍ͷ͔ͩΒɻҰํͰ߈ΊํɺΞΫηϧͷ౿Έํʹ͸ؾΛ͚͍ͭͨɻ
 
 10XͰ͸ϊοΫΞ΢τϑΝΫλʔ (ࣄۀܧଓ͕ة͏͍໰୊ཁҼ) ʹରͯ͠͸ܦӦਞΛަ͑ͯτοϓμ΢ϯͰݫ͠ ͘ରԠ͖ͯͨ͠ɻ஫จ΍ܾࡁͷ؅ཧମ੍ɺύʔτφʔͷݸผཁٻͱϓϥοτϑΥʔϜͱ͍͏ҙࢥܾఆ etc… Ͳ͏߈ΊΔͷ͔ʁʹҙ͕ࣝ޲͖΍͍͕͢Ͳ͏कΔͷ͔ʁԿΛकΔͷ͔ʁ͔Βݕ౼ͯ͠ΈΔͱɺࣗવͱ߈Ίઌ ͕ݟ͑Δ͔΋͠Εͳ͍ɻCTO΍Tech LeadͷҙࢥܾఆͰ͸ಛʹ߈कͷݟۃΊ͕ٻΊΒΕΔɻ
  38. ©10X, Inc. All Rights Reserved. 38 ڭ܇Λ࣍ʹ׆͔ͨ͢Ίͷߟ͑ ྲྀಈੑͷτϨʔυΦϑΛೝࣝ͠׆༻͢Δ ྲྀಈੑ͸૊৫ͷ։ൃྗҎ্ʹɺࢢ৔͔Βͷ։ൃཁٻ͕େ͖͍৔߹ʹՁ஋͕͋Δɻ
 (※

    Ұൠతʹ૊৫ͷ։ൃྗ͕։ൃཁٻΛ্ճΔ͜ͱ͸΄ͱΜͲͳ͍) ૊৫಺ͷ഑ஔΛཁٻʹ߹Θͤͯ࠷దԽ͢Δ͜ͱͰɺ୹ظతͳεϧʔϓοτΛ࠷େԽͰ͖Δɻ ҰํͰɺ഑ஔΛม͑Δͱࢥߟͱಎ࡯ͷՁ஋͕ࣦΘΕΔةݥੑ΋ɻ ঢ়گ΍υϝΠϯͷಛੑΛߟྀͯ͠ɺߴස౓ʹ഑ஔ׵͑ΛߦΘͳ͍ͱ͍͏બ୒ࢶΛ࣋ͭɻ 
 ECͰ͋Ε͹ɺ஫จ΍ܾࡁͱ͍ͬͨՕॴʹؔΘΔਓͷ഑ஔ͸ߴස౓ʹม͑ͳ͍ํ͕ྑ͍ɻ
  39. ©10X, Inc. All Rights Reserved. 39 ڭ܇Λ࣍ʹ׆͔ͨ͢Ίͷߟ͑ ௕ॴΛ࠷େԽͤ͞ɺ୹ॴΛ࠷খԽ͢Δ ͲΜͳٕज़ҙࢥܾఆʹ΋௕ॴͱ୹ॴ͕͋Γɺ࣌ʹͦΕ͸τϨʔυΦϑͷؔ܎ʹ΋ͳΔɻ ௕ॴΛಘΔͨΊʹ୹ॴΛҿΉͱ͍͏ͷ͕ҙࢥܾఆ͕ͩɺ୹ॴͷӨڹΛ࠷খԽ͢Δ͜ͱ͸Մೳɻ

    ྲྀಈੑͷ௕ॴ͸഑ஔม׵͠΍͍͢͜ͱɻ୹ॴ͸഑ஔม׵ʹΑΓ࣮૷ʹόϥ͖͕ͭग़Δ͜ͱɻ ͜ͷ୹ॴ͸૊৫తʹ࣮૷ඪ४ΛఆΊΔ͜ͱͰɺӨڹΛ࠷খԽͰ͖Δɻ ٕज़ҙࢥܾఆ͸௕ॴͷ׆༻ΛݟۃΊΔҙࣝͷଞʹɺ୹ॴΛ࠷খԽ͢Δҙࣝͱ޻෉Λ࣋ͭͱɺ
 ྑ͍݁ՌΛੜΊΔ͔΋͠Εͳ͍ɻ
  40. ©10X, Inc. All Rights Reserved. 40 ·ͱΊ

  41. ©10X, Inc. All Rights Reserved. 41 Flutter/DartͱڞʹาΜͩελʔτΞοϓͷ։ൃΛৼΓฦͬͯಘͨɺ੒ޭͱࣦഊͷڭ܇ ·ͱΊ Stailerͷ੒௕͸FlutterͱDartͷٕज़͋ͬͯͦ͜ɻ ͜Ε͔Β΋2ͭͷٕज़Λࢧ࣋͠ɺΑΓྑ͍ϓϩμΫτͱࣄۀΛ࡞͍͖͍ͬͯͨ

    Stailer͸Flutter & DartΛ࠾༻ͨ͠ϓϩμΫτ • ٕज़༏Ґੑ͕ո͠·ΕΔ2019೥12݄ʹٕज़ҙࢥܾఆΛߦ͏ • Ծઆɺࣄ࣮ɺئ๬͔Βಋग़͞Εͨݱ࣮తͳҙࢥܾఆͩͬͨ
 ٕज़ҙࢥܾఆͰ͸੒ޭ΋͕͋ͬͨɺࣦഊ΋͋ͬͨ • ૊৫ͷέΠύϏϦςΟͱٕज़༏ҐੑʹΑΓϓϩμΫτͷϙςϯγϟϧΛ࠷େԽ • 4ͭͷେ͖ͳࣦഊΛܦݧ͢Δ΋ɺ಺ল࣍͠ʹ׆͔͢औΓ૊Έʹܨ͍͛ͯΔ
  42. ©10X, Inc. All Rights Reserved. 42 ࠷ޙʹ

  43. ©10X, Inc. All Rights Reserved. We are Hiring!! 10XͰ͸Flutter/DartΛ׆༻ͯ͠ɺ
 ࣮௚ͳϓϩμΫτ։ൃʹ޲͖߹͑ΔػձΛఏڙͰ͖·͢ʂ

    43 ࠷ޙʹ https://10x.co.jp/recruit/
  44. ©10X, Inc. All Rights Reserved. 44 End.

  45. ©10X, Inc. All Rights Reserved. 45 Appendix Site ControllerͱStailer Native

    Stailer͸Site ControllerͱStailer Nativeͱ͍͏2ͭͷํࣜͰαʔϏεΛఏڙ͍ͯ͠Δɻ Site Controller Stailer Native ͓٬༷ΞϓϦͷΈΛఏڙ͢Δ
 γεςϜૢ࡞͸ύʔτφʔͷαΠτͰߦ͏ αʔϏε্ཱͪ͛ʹඞཁͳશͯΛఏڙ͢Δ
 ΞϓϦ, ࡏݿ؅ཧ, ஫จ؅ཧ, ഑ୡ؅ཧ, ച্؅ཧ ͓٬༷ΞϓϦ ͓٬༷ΞϓϦ ελοϑΞϓϦ ࡏݿ؅ཧ ച্؅ཧ ஫จ؅ཧ ഑ୡ؅ཧ ύʔτφʔ 
 8FCαΠτ
  46. ©10X, Inc. All Rights Reserved. 46 Appendix ࣦഊڭ܇Λ׆͔͢औΓ૊Έ • ϚτϦΫεܕ૊৫΁ͷҠߦͱνʔϜ΁ͷΦʔφʔγοϓ

    • ੹຿ͱݖݶΛηοτͰɺ׆ಈൣғ͕໌֬ͳ໾ׂΛׂΓ౰ͯΔ • νʔϜʹΦʔφʔγοϓΛ࣋ͨͤɺݸʑਓͷྗྔʹґଘͤ͞ͳ͍ࢥ૝Λ࣋ͭ • νʔϜͰ՝୊ղܾʹಈ͘࢓૊ΈͱจԽΛߏங
 ref ϚτϦΫεܕ૊৫: https://yamotty.tokyo/post/20221003
 • ٕज़՝୊վળͷਪਐͱϦΞʔΩςΫνϟ • ٕज़՝୊໨҆ശͷӡ༻ • ࣮૷ඪ४ͷࡦఆͱϦΞʔΩςΫνϟ • υϝΠϯ͝ͱͷϞδϡʔϧԽ ݸʑਓͷࣗ཯ੑʹཔΒͣɺτοϓμ΢ϯͰྗΛՃ͑Δ͜ͱͰٕज़՝୊Λղܾ͍ͯ͘͠ खԠ͑͋Δ੒Ռ͸·ͩग़͖͍ͯͯͳ͍͕ɺߦಈ͸Ͱ͖࢝Ί͍ͯΔ
  47. ©10X, Inc. All Rights Reserved. 47 Appendix Stailerͷٕज़ελοΫ ϞόΠϧΞϓϦ •

    ϑϨʔϜϫʔΫ Flutter • ։ൃݴޠ: Dart • όοΫΤϯυ࿈ܞ: gRPC • CI: GitHub Actions αʔόʔ • Πϯϑϥ: Google Cloud Platform • ։ൃݴޠ: Dart • ίϯςφ؅ཧ: Kubernetes • σʔλϕʔε: Firestore • DWH: BigQuery • ΫϥΠΞϯτ࿈ܞ: gRPC • CI: CircleCI WebϑϩϯτΤϯυ (ΤϯυϢʔβʔ޲͚) • ϑϨʔϜϫʔΫ: Flutter • ։ൃݴޠ: Dart • όοΫΤϯυ࿈ܞ: gRPC • CI: GitHub Actions ͦͷଞͷπʔϧ • ιʔείʔυɾλεΫ؅ཧ: GitHub • νϟοτ: Slack • υΩϡϝϯτ: Notion • σʔλม׵: dbt WebϑϩϯτΤϯυ (؅ཧը໘) • ϑϨʔϜϫʔΫ: Nuxt.js • ։ൃݴޠ: TypeScript • όοΫΤϯυ࿈ܞ: gRPC • CI: CircleCI
  48. ©10X, Inc. All Rights Reserved. 48 Appendix ࢀߟࢿྉ ʮͳͥDartͳͷ͔ʯCTOੴ઒͕ٕज़બఆʹࠐΊͨ૝͍ͱͦͷഎܠ •

    https://10x.co.jp/blog/10xblog/2020-06-22/ ʲiOSग़਎ΤϯδχΞू߹ʳϑϧDartମ੍ͬͯͲ͏Ͱ͔͢ʁ࠲ஊձ • https://10x.co.jp/blog/10xblog/ios-dart ʮFlutterະܦݧʯͰ΋࠾༻͞Εͨཧ༝͸ʁ ελʔτΞοϓ10X΁ͷస৬ࣄྫʹݟΔɺٕज़ελοΫΑΓ΋େ੾ͳ͜ͱ • https://type.jp/et/feature/18190/ 2೥ऑͰ10XͷΤϯδχΞʹى͖ͨมԽ──CTO͕ޠͬͨʮStailerͱΤϯδχΞ૊৫ͷະདྷʯ • https://10x.co.jp/blog/10xblog/cto-inteview2022/ 10X ϓϩμΫτ෦໳঺հࢿྉ • https://speakerdeck.com/10xinc/10x-purodakutobu-men-shao-jie-zi-liao #240 10Xͷ૊৫ίϯηϓτʹ͍ͭͯ • https://open.spotify.com/episode/0acaPCkvmgTFxdjWf0Np8B