AI駆動で「実装の解像度」を上げる ~仕様駆動開発というアプローチ~ / Increasing "implementation resolution" through AI-driven development ~An approach called Specification-Driven Development~

ソフトウェアエンジニアの吉田が「第3木曜LT会 #23」で発表した際の資料となります。

イベントURL：
https://metaps.connpass.com/event/371178/

Transcript

1. AIۦಈͰʮ࣮૷ͷղ૾౓ʯΛ্͛Δ ~࢓༷ۦಈ։ൃͱ͍͏Ξϓϩʔν~ 2025/11/20ɹגࣜձࣾϫϯΩϟϦΞ ٢ా ହੜ
2. Career झຯ ͻͱ͜ͱ ONE CAREER Inc . ࣗݾ঺հ Copyright © ONE CAREER Inc. All Rights Reserved. 2 ٢ాɹହੜ ڞ௨ج൫νʔϜ 2022೥ 4݄ ਓࡐܥձࣾ -> 2024೥ 8݄ ϫϯΩϟϦΞ ήʔϜɺϥʔϝϯΛ৯΂Δɺ໺ٿ؍ઓ ےτϨ࢝Ί·ͨ͠
3. Copyright © ONE CAREER Inc. All Rights Reserved. MISSION 1. DX:اۀ׆ಈʹσʔλͱσδλϧٕज़Λ׆༻͢Δ͜ͱͰɺϏδωεϞσϧ΍ۀ຿ɺαʔϏεͳͲΛมֵ͠ɺڝ૪্ͷ༏ҐੑΛཱ֬͢Δ͜ͱ ਓͷ਺͚ͩɺ ΩϟϦΞΛͭ͘Δɻ ࢲͨͪϫϯΩϟϦΞ͸ʮਓͷ਺͚ͩɺΩϟϦΞΛͭ͘ΔɻʯΛϛογϣϯʹܝ͛ɺ ݸਓɾاۀ͕࢓ࣄબͼʹؔ͢Δ͋ΒΏΔσʔλΛར༻Ͱ͖ΔϓϥοτϑΥʔϜͱͯ͠3ͭͷαʔϏεΛల։͓ͯ͠Γ·͢ɻ - ब׆ࢧԉαʔϏεʮϫϯΩϟϦΞʯʢֶੜ൛ʣ - ৽ଔ࠾༻αʔϏεʮϫϯΩϟϦΞʯʢاۀ൛ʣ - స৬ࢧԉαʔϏε/த్࠾༻αʔϏεʮϫϯΩϟϦΞస৬ʯ ଟ͘ͷਓʹͱͬͯ࢓ࣄ͸ਓੜͰ࠷΋࣌ؒΛ౤ࢿ͢Δର৅Ͱ͋Δʹ΋ؔΘΒͣɺ ࢓ࣄબͼʹؔͯ͠͸ҙࢥܾఆͷج४ͱͳΔΑ͏ͳσʔλ͕গͳ͘ɺ͍·ͩʹब৬͔ͯ͠Βޙչ͢Δਓ͕ޙΛઈͨͳ͍ঢ়گͰ͢ɻ ࢲͨͪ͸ɺ͢΂ͯͷݸਓͷΩϟϦΞʹ޲͖߹͍ɺΩϟϦΞσʔλΛूΊɺଟ༷Խ͢Δੈͷதʹ͓͍ͯ࢓ࣄબͼͱ࠾༻׆ಈΛΞοϓσʔτ͍͖ͯ͠·͢ɻ
4. Copyright © ONE CAREER Inc. All Rights Reserved. ࣄۀ಺༰ ϫϯΩϟϦΞ͸ɺ࢓ࣄબͼʹؔ͢Δ͋ΒΏΔσʔλΛऩू͠ɺ͢΂ͯͷεςʔΫϗϧμʔ͕σʔλΛར༻Ͱ͖Δ ϓϥοτϑΥʔϜΛͭ͘Δ͜ͱͰɺະདྷʹΘͨͬͯਓʑ͕ଟ༷ͳಇ͖ํΛଚॏͰ͖ΔࣾձΛਪਐɻ ΩϟϦΞϓϥοτϑΥʔϜ 4
5. Copyright © ONE CAREER Inc. All Rights Reserved. ࣄۀ಺༰ 5 5 ͜Ε·ͰՄࢹԽ͞Ε͍ͯͳ͔ͬͨʮΩϟϦΞσʔλʯΛऩूɾ׆༻͠ɺब৬ɾ࠾༻ͷҙࢥܾఆΛαϙʔτɻ αʔϏεҰཡ 5 5 1. த్࠾༻ͷސ٬޲͚αʔϏε͸ਓࡐ঺հɺϝσΟΞαʔϏε౳Λఏڙɻ
6. ໨࣍ Copyright © ONE CAREER Inc. All Rights Reserved. 6 • ੜ੒AIͰࠔ͍ͬͯͨ͜ͱ • վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ • ಘΒΕͨ݁Ռ • ෭࣍తʹੜ·ΕͨޮՌ • ·ͱΊ
7. Copyright © ONE CAREER Inc. All Rights Reserved. ੜ੒AIͰཉ͍͠ճ౴ ͙͢ʹग़͍ͤͯ·͔͢ʁ 7
8. Copyright © ONE CAREER Inc. All Rights Reserved. ࢲ͸ग़͍ͤͯ·ͤΜͰͨ͠😢 8
9. Copyright © ONE CAREER Inc. All Rights Reserved. ࣗ෼͕Πϝʔδ͢ΔΑ͏ͳग़ྗ݁ՌΛதʑಘΒΕͳ͔ͬͨ ੜ੒AIͰࠔ͍ͬͯͨ͜ͱ 9 ࢓༷΍໋໊ɾςετͳͲͷ؍఺͔Βɺੜ੒͞ΕͨίʔυΛ मਖ਼͢ΔͨΊɺ΍ΓͱΓ͕૿͑ίϯςΩετ͕ංେԽ.... ίϯςΩετ͕ංେԽͨ͠ӨڹͰਫ਼౓͕Լ͕Γ ࢓༷͔Β֎Ε࣮ͨ૷Λͯ͠͠·͏ ͞Βʹ….
10. Copyright © ONE CAREER Inc. All Rights Reserved. ࣗ෼͕Πϝʔδ͢ΔΑ͏ͳग़ྗ݁ՌΛதʑಘΒΕͳ͔ͬͨ ੜ੒AIͰࠔ͍ͬͯͨ͜ͱ 10 ࢓༷΍໋໊ɾςετͳͲͷ؍఺͔Βɺੜ੒͞ΕͨίʔυΛ मਖ਼͢ΔͨΊɺ΍ΓͱΓ͕૿͑ίϯςΩετ͕ංେԽ.... ίϯςΩετ͕ංେԽͨ͠ӨڹͰਫ਼౓͕Լ͕Γ ࢓༷͔Β֎Ε࣮ͨ૷Λͯ͠͠·͏ ͞Βʹ…. ݪҼɿϓϩϯϓτͰͷίϯςΩετɾ࣮૷ৄࡉͷ৘ใෆ଍ → ਓؒಉ༷ɺ໌֬ͳࢦ͕ࣔͳ͚Ε͹ҙਤ௨Γʹੜ੒Ͱ͖ͳ͍ʂ
11. ໨࣍ Copyright © ONE CAREER Inc. All Rights Reserved. 11 • ੜ੒AIͰࠔ͍ͬͯͨ͜ͱ • վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ • ಘΒΕͨ݁Ռ • ෭࣍తʹੜ·ΕͨޮՌ • ·ͱΊ
12. Copyright © ONE CAREER Inc. All Rights Reserved. ࢓༷ۦಈ։ൃΛݩʹ࣮૷ϑϩʔΛվળͯ͠Έͨ ࢓༷ۦಈ։ൃͱ͸ʁ • ։ൃͷॳظஈ֊Ͱ࢓༷Λ֬ఆͤ͞ɺ֬ఆͨ͠࢓༷Λج४ͱ͠ίʔυੜ੒΍։ൃΛਐΊ͍ͯ͘ख๏ • AWSͷAI౷߹։ൃ؀ڥʢIDEʣʮKiroʯͷϦϦʔεͳͲΛഎܠʹɺ͜ͷख๏͕࠶ͼ஫໨ΛूΊ͍ͯΔ վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ ࣄલʹ࣮૷ܭըॻΛ࡞੒ ͦͷޙ͸ɺ࣮૷ܭըॻΛ΋ͱʹ։ൃ ཁ݅ఆٛʙ࣮૷ܭըॻͷ࡞੒ϑϩʔશମΛࢧԉ
13. Copyright © ONE CAREER Inc. All Rights Reserved. Claude CodeΛ༻͍࣮ͯ૷ܭըॻͷ࡞੒ʙ։ൃΛҎԼͷϑϩʔͰ࣮ࢪɻ ࢓༷ۦಈ։ൃΛ΋ͱʹ࣮૷ϑϩʔΛվળͯ͠Έͨ վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ STEP1 ࣮૷ܭըॻͷ࡞੒ STEP2 ܭըॻΛ΋ͱʹԾ࣮૷ STEP3 Ծ࣮૷Λ΋ͱʹಈ࡞֬ೝ STEP4 ಈ࡞֬ೝޙ ࣮૷Λ׬ྃͤ͞Δ
14. Copyright © ONE CAREER Inc. All Rights Reserved. ࣮૷ܭըʢTODO Ϧετʣͱ࣮૷ͷৄࡉΛهࡌͨ͠υΩϡϝϯτΛ࡞੒͢ΔͨΊͷϓϩϯϓτΛ༻ҙ ̍ɽ࣮૷ܭըॻͷ࡞੒ վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ ख໭ΓΛݮΒͨ͢Ίʹʮग़ྗͯ͠΄͍͠಺༰ʯͱ ʮෆ໌ྎͳՕॴͷਪଌ͸͠ͳ͍ʯ͜ͱΛࣄલʹؚΊ͓ͯ͘
15. Copyright © ONE CAREER Inc. All Rights Reserved. ੜ੒࣮ͨ͠૷ܭըॻͷෆඋ͕͋ΔՕॴΛClaude Codeͱվળɻҙ͍ࣝͯ͠Δ͜ͱ͸ओʹҎԼͷ2఺ɻ ̍ɽ࣮૷ܭըॻͷ࡞੒ վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ ᶃ λεΫΛϨϏϡʔՄೳͳཻ౓ʹ͓ͯ͘͠ λεΫ͕େ͖͗͢Δͱ࣮૷Ͱࡉ͔͍΍ΓऔΓ͕ൃੜ͕ͪ͠ ᶄ ࣮૷͕࣮૷ܭըॻͰ׬݁Ͱ͖ΔϨϕϧ·Ͱ࡞ΓࠐΉ ಛʹٕज़త൑அ΍࢓༷͜͜Ͱܾఆ͢Δ
16. Copyright © ONE CAREER Inc. All Rights Reserved. 1Ͱ࡞੒࣮ͨ͠૷ܭըॻͷλεΫ͝ͱʹ࣮૷Λͯ͠΋Β͏ɻ • λεΫ͝ͱʹ࣮૷Λ֬ೝ͠ͳ͕Βɺ໰୊ͳ͚Ε͹TODOϦετʹνΣοΫΛೖΕΔ • ׬ྃޙ͸ίϯςΩετΛ࡟আ࣍͠ͷλεΫʹऔΓ૊ΜͰ΋Β͏ ̎ɽܭըॻΛ΋ͱʹԾ࣮૷ վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ
17. Copyright © ONE CAREER Inc. All Rights Reserved. ࡞੒͞ΕͨԾ࣮૷͕࢓༷ʹԊͬͨ΋ͷ͔Ͳ͏͔ಈ࡞֬ೝɻ ̏ɽԾ࣮૷ͷಈ࡞֬ೝ վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ • γεςϜશମͷࠎ֨ɾνʔϜͱͷ࿈ܞՕॴΛ֬ೝ͢ΔͨΊ Ұ౓ಈ࡞֬ೝΛ͓ͯ͘͠ • Ծ࣮૷Ͱ෼͔ͬͨ࢓༷΍ෆ໌ྎͩͬͨ෦෼Λ੔ཧ͠ɺ࣮૷ܭը ॻΛमਖ਼͢Δ Πϝʔδɿ࡞੒ͨ͠Ծ࣮૷
18. Copyright © ONE CAREER Inc. All Rights Reserved. मਖ਼࣮ͨ͠૷ܭըॻΛ࢖ͬͯຊ࣮૷Λߦ͏ ࣮૷λεΫ͝ͱʹPRΛ࡞੒͠ϦϦʔεΛਐΊΔ 4. Ծ࣮૷ͷಈ࡞֬ೝޙɺ࣮૷Λ׬ྃͤ͞Δ վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ
19. ໨࣍ Copyright © ONE CAREER Inc. All Rights Reserved. 19 • ੜ੒AIͰࠔ͍ͬͯͨ͜ͱ • վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ • ಘΒΕͨ݁Ռ • ෭࣍తʹੜ·ΕͨޮՌ • ·ͱΊ
20. Copyright © ONE CAREER Inc. All Rights Reserved. ੜ੒݁Ռͷਫ਼౓্͕͕Γɺ͔ͭࣗ෼ࣗ਎ͷλεΫʹର͢Δղ૾౓΋ߴ͘ͳͬͨ ಘΒΕͨ݁Ռ 20 ࣗ෼ࣗ਎΋λεΫʹର͢Δղ૾౓͕ߴ͍ঢ়ଶʹʂ • ܭըॻ࡞੒Λࢦࣔ͢Δʹ͸ɺࣗ෼͕ઃܭʹ͍ͭͯݴޠԽͰ͖Δঢ়ଶʹͳ͍ͬͯΔඞཁ͕͋Δ • Claude Codeʹద੾ͳࢦࣔΛ༩͑ΒΕΔ͜ͱ͕૿͑ɺ݁Ռͱͯ͠΍ΓऔΓ͕ݮΓ࣮૷଎౓΋޲্ ࣮૷ܭըॻΛ΋ͱʹ࣮૷ͨ͜͠ͱͰ Claude CodeʹΑΔੜ੒݁Ռͷਫ਼౓UPʂ ʴ
21. Copyright © ONE CAREER Inc. All Rights Reserved. ݁Ռతʹ։ൃੜ࢈ੑ΋޲্ 🎉 ಘΒΕͨ݁Ռ 21 ࣮૷଎౓্͕͕ͬͨ͜ͱͰɺd/d/dʢҰ೔͋ͨΓͷσϓϩΠճ਺ʣ΋1.1 → 1.5 ͱ޲্ɻ
22. ໨࣍ Copyright © ONE CAREER Inc. All Rights Reserved. 22 • ੜ੒AIͰࠔ͍ͬͯͨ͜ͱ • վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ • ಘΒΕͨ݁Ռ • ෭࣍తʹੜ·ΕͨޮՌ • ·ͱΊ
23. Copyright © ONE CAREER Inc. All Rights Reserved. 1. ϘτϧωοΫʹͳΓͦ͏ͳՕॴΛૣظಛఆͰ͖ɺ։ൃ͕εϜʔζʹ ෭࣍తʹੜ·ΕͨޮՌ 23 ࣮૷ܭըॻͱԾ࣮૷Λ࡞ΔதͰɺਐߦͷϘτϧωοΫʹͳΓͦ͏ͳՕॴΛૣظಛఆͰ͖ΔΑ͏ʹɻ • ৽نϥΠϒϥϦಋೖ͕ඞཁͳՕॴ • νʔϜͰҙࢥܾఆΛߦͬͨํ͕Α͍ઃܭ൑அ • ଞνʔϜͱͷ࿈ܞ͕ඞཁͳ࢓༷ ଞϝϯόʔ΍ଞ෦ॺͱͷ࿈ܞ͕ඞཁͳՕॴΛૣظಛఆͰ͖ɺ·ͨԾ࣮૷͕͋Δ͜ͱͰ ίϛϡχέʔγϣϯ΋औΓ΍͘͢ͳΓɺ։ൃ͕ΑΓεϜʔζʹਐΈ΍͘͢ͳͬͨ
24. Copyright © ONE CAREER Inc. All Rights Reserved. 2. ϨϏϡΞʔͷϝϯλϧϞσϧߏஙͰɺPRϨϏϡʔ͠΍͍͢ঢ়ଶʹ ෭࣍తʹੜ·ΕͨޮՌ 24 ෼ׂͨ͠λεΫΛݩʹPR΍ίϛοτΛߟ͑Δ͜ͱͰɺద੾ͳཻ౓ͰͷPRΛ࡞੒Ͱ͖ΔΑ͏ʹͳͬͨɻ ·ͨԾ࣮૷ͷࣄલڞ༗ʹΑΓɺϨϏϡΞʔ͕࣮૷ͷશମ૾Λૣظʹ೺ѲͰ͖ΔΑ͏ʹͳͬͨɻ ϨϏϡΞʔͱͷೝࣝᴥᴪ΍ϦϦʔεෛՙΛݮΒ͢͜ͱ͕Ͱ͖ ϦϦʔε଎౓ͷ޲্ʹܨ͛ΒΕͨʂ ࣮૷λεΫͷ࡞੒࣌఺Ͱ λεΫΛϨϏϡʔՄೳͳཻ౓ʹ͍ͯ͠ΔͨΊ ཻ౓ʹ͹Β͖ͭ΋ग़ͳ͍ʂ
25. ໨࣍ Copyright © ONE CAREER Inc. All Rights Reserved. 25 • ੜ੒AIͰࠔ͍ͬͯͨ͜ͱ • վળ͢ΔͨΊʹ࣮ࢪͨ͜͠ͱ • ಘΒΕͨ݁Ռ • ෭࣍తʹੜ·ΕͨޮՌ • ·ͱΊ
26. Copyright © ONE CAREER Inc. All Rights Reserved. ·ͱΊ 26 ࢓༷ۦಈ։ൃΛϕʔεʹ։ൃ͢Δ͜ͱͰɺҎԼͷϝϦοτ͕ੜ·Εͨ 1. ੜ੒݁Ռͷਫ਼౓্͕͕Γɺ͔ͭࣗ෼ࣗ਎ͷλεΫʹର͢Δղ૾౓΋ߴ͘ͳͬͨ 2. ϘτϧωοΫʹͳΓͦ͏ͳՕॴΛૣظಛఆͰ͖ɺ։ൃ͕εϜʔζʹ 3. ϨϏϡΞʔͷϝϯλϧϞσϧߏஙͰɺPRϨϏϡʔ͠΍͍͢ঢ়ଶʹ ৼΓฦΓ ຊ࣭తʹ͸ʮࣗ਎ͷλεΫʹର͢Δղ૾౓ͷ௿͞ʯͱʮҙਤΛݴޠԽ͢Δྗʯ͕ωοΫͩͱ෼͔ͬͨɻ AIπʔϧͷීٴʹΑΓɺશମΛݟ௨͢ྗͱݴޠԽྗ࣍ୈͰ ։ൃεϐʔυͱ඼࣭͕େ͖͘มΘΔͱײ͍ͯ͡ΔͷͰຏ͍͍͖͍ͯͨʂ
27. Copyright © ONE CAREER Inc. All Rights Reserved. 27 Appendix
28. Copyright © ONE CAREER Inc. All Rights Reserved. XɺnoteɺEntranceBookͰ৘ใΛൃ৴த 🚀 ڵຯͷ͋Δํ͸ͥͻʂ 28