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ソフトウェア設計の Why & What & How / Wantedly 新卒研修

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May 26, 2021

ソフトウェア設計の Why & What & How / Wantedly 新卒研修

2021年度-2023年度の Wantedly 新卒研修で使用した資料です。

全文書き起こし:https://www.wantedly.com/companies/wantedly/post_articles/327621

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Altech

May 26, 2021
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  1. ©2021 Wantedly, Inc. ͳͥιϑτ΢ΣΞʹઃܭ͕ඞཁ͔ʁ - 2ͭͷ༗༻ͳݟํ wอकతͳݟํɾɾͦͷ͜ͱͰࠔΒͳ͍ɺϘτϧωοΫʹͳΒͳ͚Ε͹ྑ͍ ʪιϑτ΢ΣΞͷઃܭ͸ෳࡶੑΛίϯτϩʔϧ͠ͳ͕Β։ൃ͠ଓ͚ΔͨΊͷඞཁܦඅͰ͋Δʫ 
 wਐาతͳݟํɾɾͦͷ͜ͱ͕৽͍͠ೝࣝΛ࡞ͬͨΓɺ৽͍͠Ձ஋Λ࡞Δ

    ʪιϑτ΢ΣΞΛઃܭ͢Δ͜ͱ͸ιϑτ΢ΣΞ͕ԿͰ͋Δ͔Λఆ͚ٛͮΔ͜ͱͦͷ΋ͷͰ͋Δʫ 
 👉͜ͷ࣌ؒͰ͸ϕʔεϥΠϯΛॏࢹͯ͠ɺෳࡶੑΛ੾Γޱʹ࠾Γ্͛Δ 💡࣮ࡍʹ͸ɺࠔΒͳ͍ͨΊʹ΍ͬͨઃܭ͕ɺ͠͹͠͹৽͍͠Ձ஋Λ࢈ΉσβΠϯͰ͋ͬͨΓ΋͢ΔͷͰɺදͱཪͷؔ܎Ͱ͢ɻɹ
  2. ©2021 Wantedly, Inc. ͳͥιϑτ΢ΣΞʹઃܭ͕ඞཁ͔ʁ - 2ͭͷ༗༻ͳݟํ wอकతͳݟํɾɾͦͷ͜ͱͰࠔΒͳ͍ɺϘτϧωοΫʹͳΒͳ͚Ε͹ྑ͍ ʪιϑτ΢ΣΞͷઃܭ͸ෳࡶੑΛίϯτϩʔϧ͠ͳ͕Β։ൃ͠ଓ͚ΔͨΊͷඞཁܦඅͰ͋Δʫ 
 wਐาతͳݟํɾɾͦͷ͜ͱ͕৽͍͠ೝࣝΛ࡞ͬͨΓɺ৽͍͠Ձ஋Λ࡞Δ

    ʪιϑτ΢ΣΞΛઃܭ͢Δ͜ͱ͸ιϑτ΢ΣΞ͕ԿͰ͋Δ͔Λఆ͚ٛͮΔ͜ͱͦͷ΋ͷͰ͋Δʫ 
 👉͜ͷ࣌ؒͰ͸ϕʔεϥΠϯΛॏࢹͯ͠ɺෳࡶੑΛ੾Γޱʹ࠾Γ্͛Δ 💡࣮ࡍʹ͸ɺࠔΒͳ͍ͨΊʹ΍ͬͨઃܭ͕ɺ͠͹͠͹৽͍͠Ձ஋Λ࢈ΉσβΠϯͰ͋ͬͨΓ΋͢ΔͷͰɺදͱཪͷؔ܎Ͱ͢ɻɹ ໾ʹཱͭ = ༗༻ͳ ιϑτ΢ΣΞΛ࡞Δ͜ͱ͕࠷ऴతͳ໨త
  3. ©2021 Wantedly, Inc. ෳࡶੑʹରॲ͠ͳ͍͜ͱͰදग़͢Δ໰୊ w$IBOHFBNQMJ fi DBUJPOɿมߋՕॴ͕ΊͬͪΌ૿͑Δɺ͘Β͍ͷҙຯɻ w$PHOJUJWFMPBEɿʮೝ஌ෛՙʯʮίʔυ͕ಡΊΜɼΘ͔ΒΜʯͱ͍͏ঢ়ଶɻ w6OLOPXOVOLOPXOTɿ 


    ͋ΔίʔυΛमਖ਼͢ΔࡍʹɼͲͷ৚݅Λຬͨͨ͠ΒͦͷίʔυΛमਖ਼͖ͬ͠ ͔͕ͨ೺ѲͰ͖ͳ͍ɻ ग़యɿ"1IJMPTPQIZPG4PGUXBSF%FTJHO ͜ΕΒ͕։ൃͷϘτϧωοΫʹʮͳΒͳ͍Α͏ʹʯରॲ͍ͯ͘͜͠ͱ͕େࣄɻ 👉͜ͷ͋ͨΓͷԘക΍ߟ͑ํ͸ɺ)PXͷύʔτͰ΋औΓѻ͏ɻ
  4. ©2021 Wantedly, Inc. ݐங෺ͱͷରൺ w෺ཧతͳ੍໿͕ͳ͍ w ͨͱ͑͹֊ݐͯͷϏϧͱ͍͏ݐங෺Ͱɺճͱճʹಛ༗ͷґଘؔ܎ ʢ֊ஈͱ͔ʣ͕͋Δ͜ͱ͸ͳ͍ w ݐͯ૿͠ͱ͔͢Δͱ͖ʹ΋ɺۭதͰԣํ޲ʹແݶʹݐͯ૿͕͠ߦΘΕΔͱ͔

    ͳ͍ʢͦ΋ͦ΋ݐͯ૿͕͠߃ৗతʹ͞ΕΔΘ͚Ͱ͸ͳ͍ʣ 💡ʮ੍໿ʯͱ͍͏Ωʔϫʔυ͸ෳࡶੑΛߟ͑Δ্Ͱ࣮͸ͱͯ΋ॏཁ FH8FCγεςϜ XBOUFEMZBOBMZUJDT
  5. ©2021 Wantedly, Inc. ந৅͍Ζ͍Ζ wʮ࣌ܭʯʮΞϓϦʯʮελοΫʯ͸ͩΕ͕ੜΈग़ͨ͠ʁ w͍Ζ͍ΖͳྖҬʢυϝΠϯʣʹରͯ͠ɺ৭ʑͳந৅͕͋Δ w (6*ΦϖϨʔςΟϯάγεςϜྖҬɿ 
 ʮΞϓϦʯҎ֎ʹ΋͞·͟·ͳந৅ؚ͕·ΕͯΔ

    w ιϑτ΢ΣΞҰൠͷྖҬɿ 
 ʮελοΫʯҎ֎ͷσʔλߏ଄΍σʔλͷ΍ΓऔΓͷ࢓ํɺͳͲ w๻ͨͪαʔϏεͷ։ൃऀ͕ઃܭ͢΂͖΋ͷ͸ͳΜͩΖ͏ʁ w υϝΠϯɺ(6*ͷৼΔ෣͍ɺɾɾɾ
  6. ©2021 Wantedly, Inc. લఏͱͳΔߟ͑ɿ࢓༷͸࣮૷ΑΓ༰қʹཧղͰ͖Δ wந৅ԽΛࢪͨ͠ιϑτ΢ΣΞ෦඼ΛʮίϯϙʔωϯτʯͱԾʹ͜͜Ͱ͸ݺͿ wίϯϙʔωϯτʹ͸࢓༷ͱ࣮૷͕͋Δ w ֎͔Βݟͯظ଴͢ΔৼΔ෣͍ͱɺͦΕΛ಺ͰͲͷΑ͏ʹ࣮ݱ͢Δ͔ͱ͍͏ೋ ͭͷ؍఺ w

    ͏·͘ந৅Խ͞Ε͍ͯΔ৔߹ɺ࢓༷͸࣮૷ΑΓ΋ͣͬͱཧղ͕͠΍͍͢΋ͷ ʹͳΔʢͱ͍͏ݟࠐΈ͕͋Δʣ w ࢓༷ͱ࣮૷Λ۠ผ͢Δ͜ͱͰɺ࣮૷্ͷબ୒Λίϯϙʔωϯτͷ಺ଆʹӅṭ Ͱ͖Δʢͱ͍͏Α͏ͳϝϦοτ΋͋Δʣ w͔ͩΒɺ࢓༷ͱ࣮૷Λ͖ͪΜͱ۠ผ͢Δ͜ͱ͕ॏཁ
  7. ©2021 Wantedly, Inc. ΠϯλʔϑΣΠε͍Ζ͍Ζ wʮ࣌ܭʯͷΠϯλʔϑΣΠε 
 ࣌ࠁ͕ԁঢ়ʹ෼ׂ͞Ε௕਑ͱ୹਑Ͱ࣌ࠁΛಡΈऔΕΔ wʮΞϓϦʯͷΠϯλʔϑΣΠε 
 ΞϓϦετΞ͔ΒೖखͰ͖ͯɺϗʔϜը໘ʹฒ΂ΒΕΔࢹ֮తͳه߸ͱ݁ͼͭ

    ͍͍ͯͯɺλοϓͨ͠Β࢖͍࢝ΊΒΕΔ 
 DGϢʔβʔɾΠϯλʔϑΣΠε wʮελοΫʯͷΠϯλʔϑΣΠε 
 ʪͳʹ͔ʫΛϓογϡͰ͖ɺϙοϓ͢Δ͜ͱͰϓογϡͨ͠ॱ൪ͱ͸ٯॱʹ ʪͳʹ͔ʫ͕ग़ͯ͘Δ 
 💡͜ͷʪͳʹ͔ʫ͸ଟ͘ͷܕγεςϜʹ͓͍ͯʮδΣωϦΫεʯͳ͍͠ʮܕύϥϝʔλʯͱͯ͠දݱ͞Ε͍ͯΔ
  8. ©2021 Wantedly, Inc. Ωʔϫʔυɿ੹຿ʢResponsibilityʣ ొ৔ਓ෺͕ෳ਺͍Δͱ୭͕Ͳ͜·Ͱ΍Δ͔ͱ͍͏໾ׂ෼୲͕ඞཁʹͳΔɻͦͷ໾ ׂ෼୲Λݴ༿ʹͨ͠΋ͷ͕੹຿ɻ w੹຿ɿͦͷίϯϙʔωϯτ͕ߦ͏΂͖࢓ࣄͷൣғΛݴ༿Ͱఆٛͨ͠΋ͷɻ w ͪΐͬͱΠϯλʔϑΣΠε΍ந৅ͷத਎ʹࣅ͍ͯΔ w

    ෺ࣄͷݟํɾهड़ͷ࢓ํͷҧ͍ͩͱߟ͑Δͱྑ͍ w੹຿͸આ໌తͰ͋ͬͯྑ͍෼ɺϑΝδʔ͕ͩԠ༻ൣғ͸޿͍ w ಛఆίϯϙʔωϯτͰ͸ͳ͘ίϯϙʔωϯτ܈ؚ͕·ΕΔ૚ʹ΋ద༻Ͱ͖Δ w ʮ͜Ε͸ίϯτϩʔϥʔͷ੹຿͡Όͳ͍Ͱ͢Ͷʯ.7$ʹ͓͚Δ
  9. ©2021 Wantedly, Inc. Ωʔϫʔυɿؔ৺ʢConcernʣ wؔ৺ɿιϑτ΢ΣΞͷมߋ͕ߦΘΕΔ؍఺ͷΑ͏ͳ΋ͷɻ w ͜Ε΋ࣅͨΑ͏ͳݴ༿ɻ w ͱ͖Ͳ͖ग़ͯ͘ΔͷͰҰԠ঺հ͓ͯ͘͠ɻ zϚʔΫΞοϓͱϩδοΫΛผʑͷϑΝΠϧʹॻ͍ͯਓҝతʹٕज़Λ෼཭͢

    ΔͷͰ͸ͳ͘ɺ3FBDU͸ϚʔΫΞοϓͱϩδοΫΛ྆ํؚΉૄ݁߹ͷ 
 ʮίϯϙʔωϯτʯͱ͍͏୯ҐΛ༻͍ͯؔ৺Λ෼཭͠·͢ɻz +49ͷಋೖ3FBDU 💡 ෼ׂͷ࢓ํʹ͍ͭͯߟ͑Δ͜ͱ͸ந৅ʹ͍ͭͯߟ͑Δ͜ͱͱಉ͘͡Β͍େࣄʢදཪҰମͱݴ͍͍ͬͯʣ
  10. ©2021 Wantedly, Inc. උ͑ɿ֓೦Λ஌Γɺٕ๏Λ஌Δ wڭՊॻతΞϓϩʔν w ؔ਺ܕϓϩάϥϛϯάɺΦϒδΣΫτࢦ޲ɺϚϧνύϥμΠϜ w्ಓతΞϓϩʔν w ҟͳΔύϥμΠϜͷݴޠɾϑϨʔϜϫʔΫʹ৮ΕΔɻྑ͍ίʔυΛಡΉɻ

    ⚠ʓʓΞʔΩςΫνϟͷྨ͸͍͍ͨͯجૅ֓೦Λෳ਺૊Έ߹ΘͤͨෳࡶͳԠ༻ύ λʔϯͳͷͰɺͦΕࣗମΛ௚઀ʹجૅཧղͷύʔπͱଊ͑ͳ͍ํ͕ྑ͍ ʢྫ͑͹8FCαʔόʔ σʔλϕʔεͷΑ͏ͳγϯϓϧͳ8FCͷΞʔΩςΫνϟͰ΋ɺؔ਺ܕͷεςʔ τϨεͳৼΔ෣͍ͷฒྻԽʴεςʔτΛڞ༗ͨ͠ฒྻॲཧɺͱ͍͏ύϥμΠϜͷ૊Έ߹Θͤʹͳ͍ͬͯΔʣ