エンジニア && 採用担当から見た転職テクニック/Technic of changing job

by Tetsuya Mori

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גࣜձࣾΩοζελʔ CTO ৿ɹ఩࠸ ΤϯδχΞ && ࠾༻୲౰ ͔Βݟͨస৬ςΫχοΫ 2018/11/07 స৬ LT #3 at גࣜձࣾϓϨΠυ

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͜Μ͹Μ͸ʂ 2

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•LT ֓ཁ •ࣗݾ঺հ •࠾༻୲౰ͷؾ࣋ͪ •స৬લͷ४උ •·ͱΊ 3 ΞδΣϯμ

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•LT ֓ཁ •ࣗݾ঺հ •࠾༻୲౰ͷؾ࣋ͪ •స৬લͷ४උ •·ͱΊ 4 ΞδΣϯμ ΠϚίί

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ࠓ೔ͷ͓࿩ͷ֓ཁ 5

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•SIer ΍େखήʔϜձࣾͳͲ͔Β  ϕϯνϟʔɾελʔτΞοϓʹ  స৬͠Α͏ͱࢥ͍ͬͯΔΤϯδχΞ •͍҃͸ɺͦ͏͍͏༑ਓɾ஌ਓ͕  पғʹ͍Δਓ 6 ࠓ೔ͷର৅ऀ ֓ཁ

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•ελʔτΞοϓͰ͋ΔฐࣾͷࣄྫΛ  ަ͑ͨ࠾༻ࣄ৘ •ΤϯδχΞͱͯ͠࠾༻Λ୲౰͢Δ  ཱ৔͔Βͷݟղ 7 ࠓ೔࿩͢ίτ ֓ཁ

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•ࢲࣗ਎ͷస৬ʹؔ͢Δৄࡉ •େاۀͷ࠾༻ʹؔ͢ΔΞϨίϨ 8 ࠓ೔࿩͞ͳ͍ίτ ֓ཁ

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•͋͘·ͰݸਓతͳҙݟɾݟղͰ͢ •૊৫΍ۀքΛ୅ද͢Δ  ൃݴͰ͸͋Γ·ͤΜ •ࢲࣗ਎͕৭ʑͱࣦഊΛ͖ͯͨ͠  தͰಘͨ஌ݟΛڞ༗͠·͢ 9 ໔੹ࣄ߲ ֓ཁ

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•LT ֓ཁ •ࣗݾ঺հ •࠾༻୲౰ͷؾ࣋ͪ •స৬લͷ४උ •·ͱΊ 10 ΞδΣϯμ ΠϚίί

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ࣗݾ঺հ 11

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12 Who am I ? ࣗݾ঺հ @monry a.k.a. ΋ΜΓ͌ઌੜ

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13 Who am I ? ࣗݾ঺հ •2019-2020 Microsoft MVP  (Developer Technologies) •ࣗশ Unity ΤϰΝϯδΣϦετ •͕͠ͳ͍ϥδΦ sp.10 ήετ

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14 Who am I ? ࣗݾ঺հ •20ࡀ: େֶதୀޙ SIer ʹब৬ •22ࡀ: ༑ਓͷ঺հͰ Web ܥاۀʹస৬ •28ࡀ: ϔουϋϯςΟϯάͰݱ৬ʹస৬ •34ࡀ: ΠϚίί

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15 Job ࣗݾ঺հ ࢠͲ΋޲͚ΞϓϦ࡞ͬͯΔձࣾͰ $50΍ͬͯ·͢

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16 PR ࣗݾ঺հ ϚϯΨͰΘ͔Δ Unity ޷ධ࿈ࡌதʂ

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17 PR ࣗݾ঺հ ΋ͷϥδ ύʔιφϦςΟ΍ͬͯ·͢ʂ ήετืूதʂ

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ຊ୊ 18

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•LT ֓ཁ •ࣗݾ঺հ •࠾༻୲౰ͷؾ࣋ͪ •స৬લͷ४උ •·ͱΊ 19 ΞδΣϯμ ΠϚίί

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࠾༻୲౰ͷؾ࣋ͪ 20

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21 ಥવͰ͕࣭͢໰Ͱ͢

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22 ΤϯδχΞ࠾༻ͷࡍʹ  ༻͍Δखஈʹ͸ ͲΜͳ΋ͷ͕͋ΔͰ͠ΐ͏ʁ

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23 ΤϯδχΞ࠾༻ͷखஈ ࠾༻୲౰ͷؾ࣋ͪ ϦϑΝϥϧ࠾༻

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24 ΤϯδχΞ࠾༻ͷखஈ ࠾༻୲౰ͷؾ࣋ͪ ιʔγϟϧ࠾༻

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25 ΤϯδχΞ࠾༻ͷखஈ ࠾༻୲౰ͷؾ࣋ͪ ֤छ΢Σϒഔମ

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26 ΤϯδχΞ࠾༻ͷखஈ ࠾༻୲౰ͷؾ࣋ͪ •͋Δఔ౓ࢿۚʹ༨༟͕͋Δ৔߹ •ΤʔδΣϯτ •ϔουϋϯςΟϯά

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27 ·ͨ·࣭ͨ໰Ͱ͢

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28 ΤϯδχΞͷ ࠾༻໘઀Λ୲౰ ͢Δͷ͸୭Ͱ͠ΐ͏ʁ

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29 ΤϯδχΞ໘઀ͷ୲౰͸ʁ ࠾༻୲౰ͷؾ࣋ͪ ࢲͷܦݧ΍஌ਓɾ༑ਓͳͲͷ࿩Λฉ͘ͱ ҎԼͷ3ϩʔϧ͕ଟ͍Α͏Ͱ͢ ※ॾઆ͋Γ·͢ ݱ৔ͷ ΤϯδχΞ CEO CTO VPoE

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30 ΤϯδχΞ໘઀ͷ୲౰͸ʁ ࠾༻୲౰ͷؾ࣋ͪ ࢲͷܦݧ΍஌ਓɾ༑ਓͳͲͷ࿩Λฉ͘ͱ ҎԼͷ3ϩʔϧ͕ଟ͍Α͏Ͱ͢ ݱ৔ͷ ΤϯδχΞ CEO CTO VPoE ※ॾઆ͋Γ·͢

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31 Why ?

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32 Why? ࠾༻୲౰ͷؾ࣋ͪ ϕϯνϟʔɾελʔτΞοϓ͸ ͕ɺগͳ͍ʂʂʢίτ͕ଟ͍ʣ

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33 Ώ͑ʹ

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34 ࠾༻Ͱࣦഊ͢Δ Θ͚ʹ͸͍͔ͳ͍ʂ

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35 ࠾༻ʹԙ͚Δࣦഊͱ͸ʁ ࠾༻୲౰ͷؾ࣋ͪ ϛεϚον εΩϧ Χϧνϟʔ

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36 ࠾༻ʹԙ͚Δࣦഊͱ͸ʁ ࠾༻୲౰ͷؾ࣋ͪ ϛεϚον εΩϧ Χϧνϟʔ

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•ݴޠɾϓϥοτϑΥʔϜ •૝ఆٕज़Ϩϕϧ •҉໧తʹલఏͱ͢ΔεΩϧ 37 εΩϧͷϛεϚονʁ ࠾༻୲౰ͷؾ࣋ͪ

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•ݴޠɾϓϥοτϑΥʔϜ •૝ఆٕज़Ϩϕϧ •҉໧తʹલఏͱ͢ΔεΩϧ 38 εΩϧͷϛεϚονʁ ࠾༻୲౰ͷؾ࣋ͪ Java ͩͱࢥͬͨΒ  JavaScript ͩͬͨ AWS ܦݧ͸͋Δ͚Ͳ  GCP ͸νϣοτ… ΞϓϦܦݧ͸  ωΠςΟϒ͡Όͳͯ͘  Unity Ͱ͢

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•ݴޠɾϓϥοτϑΥʔϜ •૝ఆٕज़Ϩϕϧ •҉໧తʹલఏͱ͢ΔεΩϧ 39 εΩϧͷϛεϚονʁ ࠾༻୲౰ͷؾ࣋ͪ Unity C# Ͱ unsafe ίʔυΛ ΨϦΨϦॻ͚Δਓ͕ཉ͍͠ ॳֶऀϨϕϧͰ΋  OK ͷͭ΋Γ͕ ΰϦοΰϦͷ  ΪʔΫ͕དྷͯ͠·ͬͨ ࣾ಺ͷٕज़ϨϕϧΛ ্͛ΔͨΊʹ΋ Ξ΢τϓοτ͕ ಘҙͳਓ͕ཉ͍͠

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•ݴޠɾϓϥοτϑΥʔϜ •૝ఆٕज़Ϩϕϧ •҉໧తʹલఏͱ͢ΔεΩϧ 40 εΩϧͷϛεϚονʁ ࠾༻୲౰ͷؾ࣋ͪ ࠷௿ݶ git ͸ ࢖͑ΔΑͶʁ ϑϩϯτΤϯυͳΒ SEO ஌͕ࣝ  ๛෋ͳϋζ FinTech اۀʹ  དྷΔ͔Βʹ͸ ࠷௿ݶͷձܭ஌ࣝ͸  ࣋ͬͯͯཉ͍͠

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41 ࠾༻ʹԙ͚Δࣦഊͱ͸ʁ ࠾༻୲౰ͷؾ࣋ͪ ϛεϚον εΩϧ Χϧνϟʔ

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•ίϛϡχέʔγϣϯ •څ༩ͳͲ֤छ੍౓ •։ൃ؀ڥɾελΠϧ •ϚΠϯυ 42 ΧϧνϟʔͷϛεϚονʁ ࠾༻୲౰ͷؾ࣋ͪ

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•ίϛϡχέʔγϣϯ •څ༩ͳͲ֤छ੍౓ •։ൃ؀ڥɾελΠϧ •ϚΠϯυ 43 ΧϧνϟʔͷϛεϚονʁ ࠾༻୲౰ͷؾ࣋ͪ Slackʁ ϝʔϧʁޱ಄ʁ ҙࢥܾఆϧʔτ ҿΈձ ࣾһཱྀߦ

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•ίϛϡχέʔγϣϯ •څ༩ͳͲ֤छ੍౓ •։ൃ؀ڥɾελΠϧ •ϚΠϯυ 44 ΧϧνϟʔͷϛεϚονʁ ࠾༻୲౰ͷؾ࣋ͪ ঢڅ͸ʁ ࢒ۀ୅͸ʁ ࡋྔ࿑ಇ੍ʁ ϦϞʔτϫʔΫʁ ੍౓ͷมߋ ϓϩηε͸ʁ

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•ίϛϡχέʔγϣϯ •څ༩ͳͲ֤छ੍౓ •։ൃ؀ڥɾελΠϧ •ϚΠϯυ 45 ΧϧνϟʔͷϛεϚονʁ ࠾༻୲౰ͷؾ࣋ͪ Macʁ Windowsʁ Ϟχλ͸ʁ Իָฉ͚Δʁ TDDʁ GitHub Flowʁ vimʁ emacsʁ

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•ίϛϡχέʔγϣϯ •څ༩ͳͲ֤छ੍౓ •։ൃ؀ڥɾελΠϧ •ϚΠϯυ 46 ΧϧνϟʔͷϛεϚονʁ ࠾༻୲౰ͷؾ࣋ͪ εϐʔυײ ੹຿ͱࡋྔ มԽ΁ͷॊೈੑ

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•100%૬ੑ׬ᘳ͸͋Γಘͳ͍ •Ͱ΋ʮฉ͍ͯͳ͍Α…ʯ͸ආ͚͍ͨ •ݱ৔ͷҙݟΛγΣΞ͍ͨ͠ 47 ϛεϚονΛݮΒ͍ͨ͠ ࠾༻୲౰ͷؾ࣋ͪ

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48 ϛεϚονΛݮΒ͍ͨ͠ ࠾༻୲౰ͷؾ࣋ͪ •ͲΜͳεΩϧΛ͍࣋ͬͯΔͷ͔ʁ •ԿʹϞνϕʔτ͢Δͷ͔ʁ •ٯʹ͍ͭσΟϞνϕʔτ͢Δͷ͔ʁ •ͲΜͳਓੜ؍΍࢓ࣄ؍Λ  ͍࣋ͬͯΔͷ͔ʁ

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49 ϛεϚονΛݮΒ͍ͨ͠ ࠾༻୲౰ͷؾ࣋ͪ ஌Γ͍ͨͬʂ

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50 ΤϯδχΞ໘઀ͷ୲౰͸ʁ ࠾༻୲౰ͷؾ࣋ͪ ࢲͷܦݧ΍஌ਓɾ༑ਓͳͲͷ࿩Λฉ͘ͱ ҎԼͷ3ϩʔϧ͕ଟ͍Α͏Ͱ͢ ݱ৔ͷ ΤϯδχΞ CEO CTO VPoE ※ॾઆ͋Γ·͢

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•LT ֓ཁ •ࣗݾ঺հ •࠾༻୲౰ͷؾ࣋ͪ •స৬લͷ४උ •·ͱΊ 51 ΞδΣϯμ ΠϚίί

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స৬લͷ४උ 52

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53 Կ͕͋ΔͱεϜʔζʁ స৬લͷ४උ •࠾༻୲౰ऀ͕஌Γ͍ͨ͜ͱ •εΩϧ •ϚΠϯυ

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54 ࠾༻୲౰͕஌Γ͍ͨεΩϧ స৬લͷ४උ ٬؍తͳ৘ใ͕ཉ͍͠

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55 ࠾༻୲౰͕஌Γ͍ͨεΩϧ స৬લͷ४උ •GitHub ͰԿ͔ެ։͍ͯ͠Ε͹ Best •npmjs, RubyGems, NuGet, etc •Input ͸ connpass, Peatix, etc •Output ͸ SpeakerDeck, SlideShare •ϒϩά΍ Qiita ΋ Good

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56 ࠾༻୲౰͕஌Γ͍ͨϚΠϯυ స৬લͷ४උ ӕِΓແ͍ຊԻΛฉ͖͍ͨ StrengthFinder  ʢ༗ྉʣ 16Personalities README.md

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57 ࠾༻୲౰͕஌Γ͍ͨϚΠϯυ స৬લͷ४උ •ʮҰ൪ςϯγϣϯ্͕ͬͨ࢓ࣄ͸ʁʯ •ʮಘҙͳϑΣʔζ͸ʁʯ •ʮΦϑͷ೔͸Կͯ͠Δʁʯ •ʮ5೥ޙͷࣗ෼͸Կͯ͠Δʁʯ

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58 Ұ൪ؾΛ͚ͭΔ΂͖ίτ స৬લͷ४උ എ৳ͼ͠ͳ͍ʂ औΓસΘͳ͍ʂ

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59 ؾΛ͚ͭΔ΂͖ίτ స৬લͷ४උ •ӕΛͭ͘ͱ͓ޓ͍ෆ޾ʹͳΔ •ݴ͏ඞཁ͕ແ͍ͱࢥ͏ίτ͸ݴΘͳ͍ •ؾʹͳΔίτ͸όϯόϯ࣭໰͢Δ

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60 ͦͷଞ Tips స৬લͷ४උ •େจࣈখจࣈ΍ਖ਼໊ࣜশ •ucfirst("JAVA") •s/Javascript/JavaScript/ •"Unity3D".Substring(0, 5) •Amazon Web Services •ؾʹ͢ΔਓʢΦϨʣ͸ؾʹ͠·͢

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61 ͦͷଞ Tips స৬લͷ४උ •फڭઓ૪ •vimʁEmacsʁ •SpaceʁTabʁ •{ ͸ߦ຤ʁվߦʁ •ڧ͍߆Γ͕ແ͍ͳΒ৮Εͣʹ߹ΘͤΔͷ΋ख

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62 ͦͷଞ Tips స৬લͷ४උ •git ͸࢖͑ΔΑ͏ʹͳ͓ͬͯ͘ https://amzn.to/2D1CgXu

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•LT ֓ཁ •ࣗݾ঺հ •࠾༻୲౰ͷؾ࣋ͪ •స৬લͷ४උ •·ͱΊ 63 ΞδΣϯμ ΠϚίί