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ジョブマッチングサービスにおける推薦システムの活用 / dbsj-students-6th-wantedly

0878c04dcbc614f7c5c16cee00ef3e0f?s=47 Yuya Matsumura
November 12, 2021
140

ジョブマッチングサービスにおける推薦システムの活用 / dbsj-students-6th-wantedly

2021年10月22日(金) [DBSJ学生企画 第六弾] 「WANTEDLY データサイエンスチームリーダー松村さんに聞く~ジョブマッチングサービスにおけるデータサイエンスの活用~」(https://db-event.jpn.org/dbsj_students/index.html) におけるLT資料です。

0878c04dcbc614f7c5c16cee00ef3e0f?s=128

Yuya Matsumura

November 12, 2021
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  1. ©2021 Wantedly, Inc. δϣϒϚονϯάαʔϏεʹ͓͚ΔਪનγεςϜͷ׆༻ ࣄۀձࣾɾϕϯνϟʔاۀʹ͓͚ΔσʔλαΠΤϯεɾਪનγεςϜ։ൃ DBSJֶੜاըձ ୈ࿡஄ Oct 22, 2021

    - Yuya Matsumura @yu-ya4
  2. ©2021 Wantedly, Inc. • ࢯ໊ɿদଜ ༏໵ʢYuya Matsumuraʣ • ܦྺɿ2018೥3݄ ژ౎େֶେֶӃ

    ৘ใֶݚڀՊ म࢜՝ఔमྃ • ॴଐɿ΢ΥϯςουϦʔגࣜձࣾ σʔλαΠΤϯενʔϜ • ݞॻʁɿσʔλαΠΤϯςΟετɺνʔϜϦʔυɺϓϩμΫτϚωʔδϟʔɺ ΤϯδχΞϦϯάϚωʔδϟʔ • ໾ׂɿձࣾ๚໰ΞϓϦ Wantedly Visit ʹ͓͚ΔਪનγεςϜͷ։ൃͳͲ • ৄ͍͠ϓϩϑΟʔϧ͸ˠhttps://www.wantedly.com/id/yuya4 @yu-ya4 @yu__ya4 ࣗݾ঺հ
  3. ©2021 Wantedly, Inc. ձࣾ঺հ "γΰτͰίίϩΦυϧͻͱΛ;΍͢" "CREATE A WORLD WHERE WORK

    DRIVES PASSION" 4 © 2021 Wantedly, Inc. Create A World Where Work Drives Passion. γΰτͰίίϩΦυϧͻͱΛ;΍͢ OUR MISSION ࢲͨͪͷϛογϣϯ WHY ʛࢲͨͪͷϛογϣϯղܾ͍ͨ͠՝୊
  4. ©2021 Wantedly, Inc. ʢݸਓ޲͚ʣϓϩμΫτ঺հ

  5. ©2021 Wantedly, Inc. 9 © 2021 Wantedly, Inc. WHAT ʛݸਓ޲͚αʔϏε๏ਓ޲͚αʔϏε

    ձࣾʹ༡ͼʹߦ͜͏ ňΧδϡΞϧ໘ஊʯͱ͍͏࢓ࣄ୳͠ͷ৽ج४ w ਓͱνʔϜΛʮ૝͍ʯͰϚονϯά w ň࿩Λฉ͖ʹߦ͘ʯମݧΛ௨ͯ͡ϑϥοτͳग़ձ͍Λ૑ग़ ਐԽΛଓ͚Δ6*ͱج൫ w ίϯςϯπ͕ө͑ΔϞμϯͰγϯϓϧͳ6*දݱ w ΑΓຊ࣭తͳϚονϯάΛՄೳʹ͢ΔਪનΞϧΰϦζϜ ఏڙϓϩμΫτ ݸਓ޲͚
  6. ©2021 Wantedly, Inc. 10 © 2021 Wantedly, Inc. WHAT ʛݸਓ޲͚αʔϏε๏ਓ޲͚αʔϏε

    ग़ձ͍Λه࿥͠ɺ ׆༂Λڞ༗ ఏڙϓϩμΫτ ݸਓ޲͚ ࣌ؒͱͱ΋ʹਓ຺͕ਂ·Δ w ϓϩϑΟʔϧͷߋ৽৘ใΛϦΞϧλΠϜͰڞ༗ w ࢓ࣄͰͭͳ͕ͬͨ૬खͷۙگɾ׆༂͕Θ͔Δ ৘ใઃܭͷ௥ٻͱٕज़త௅ઓ w ͭͳ͕ͬͨ૬खͷΠϕϯτΛҰཡͰ͖ΔλΠϜϥΠϯͷઃܭ w ͭͳ͕ΓͷਪનͳͲॏཁͳػցֶशλεΫΛϚΠΫϩαʔϏεԽ
  7. ©2021 Wantedly, Inc. 11 © 2021 Wantedly, Inc. WHAT ʛݸਓ޲͚αʔϏε๏ਓ޲͚αʔϏε

    ͸ͨΒ͘ਓͷ جຊID ΁ PROFILE ఏڙϓϩμΫτ ݸਓ޲͚ ҰਓͻͱΓͷັྗΛ఻ΘΓ΍͘͢ w ૝͍ͱߦಈΛ࣠ʹͦͷਓͷετʔϦʔ͕ݟ͑Δ
  8. ©2021 Wantedly, Inc. ։ൃ૊৫

  9. ©2021 Wantedly, Inc. 16 © 2021 Wantedly, Inc. ։ൃ૊৫શମਤ Infrastructure

    Squad DX(Developer Experience) Squad Dev Tribe Profile Domain Visit Domain Engagement Domain 2021೥4݄ݱࡏ 42ਓ 26ਓ 3ਓ 5ਓ Squad Squad Squad Squad Squad Squad Squad Squad Squad 2ਓ 6ਓ جຊͷ׆ಈ୯Ґ “Squad” Domainԣஅͷٕज़૊৫ “Chapter” “ج൫Squad” Backend / Frontend / Mobile / Data / Arch Chapter HOW ʛϓϩμΫτ։ൃςΫϊϩδʔਓ • σʔλαΠΤϯςΟετͷΈ͔ΒͳΔݚڀ։ൃνʔϜͷΑ͏ͳ΋ͷ͸ઃ͚͍ͯͳ͍ɻ • ͋͘·ͰϓϩμΫτΛʢ௚઀తʹʣΑΓΑ͘͢Δ͢Δ͜ͱʹߩݙ͢Δ͜ͱΛ໨తͱ͍ͯ͠Δɻ • ϓϩμΫτʹ͓͚Δୡ੒͢΂͖໨త͝ͱʹνʔϜ(Squad)͕݁੒͞Εɺ໨త਱ߦʹඞཁͳϝϯόʔ͕৬ ೳʹؔ܎ͳ͘ूΊΒΕΔɻ • ݱࡏদଜ͕ओʹݟ͍ͯΔ Squad ͸ɺDS 4໊ɺਪનج൫ΤϯδχΞ2໊ɺWeb ΤϯδχΞ2໊ɺσβΠ φʔ2໊͔Βߏ੒͞ΕΔɻ ։ൃ૊৫
  10. ©2021 Wantedly, Inc. ϓϩμΫτʹ͓͚ΔσʔλαΠΤϯεͷऔΓ૊Έࣄྫ

  11. ©2021 Wantedly, Inc. Ϣʔβ͝ͱʹ࠷దԽ͞Εͨίϯςϯπͷਪન / Wantedly Visit Ϣʔβʹద੾ͳίϯςϯπΛఏڙͯ͠ ཧ૝ͷϚονϯάΛ࣮ݱ͢ΔͨΊͷ༷ʑͳਪનγεςϜ ࣗવݴޠॲཧ΍ػցֶशͳͲ༷ʑͳٕज़Λ׆༻

  12. ©2021 Wantedly, Inc. ืूͷ৬छਪఆ / Wantedly Visit େ෼ྨɿΤϯδχΞ খ෼ྨɿͦͷଞΤϯδχΞ େ෼ྨɿΤϯδχΞϦϯά

    খ෼ྨɿσʔλαΠΤϯςΟετ ৬छ߲໨ͷେ෯ͳϦχϡʔΞϧʹ൐͍ ࣗવݴޠॲཧΛ׆༻ͯ͠ ืूͷ಺༰͔Β৽͍͠৬छ߲໨಺ͷద੾ͳ৬छΛਪఆ
  13. ©2021 Wantedly, Inc. ϢʔβͷʮڵຯʯʹΑΔϚονϯά/ Wantedly Visit Ϣʔβ͕બ୒ͨ͠ʮڵຯʯʹجͮ͘ืूͱͷϚονϯά ʮ৬छʯͳͲʹΑΔϑΟϧλϦϯάͷΈͰ͸ݟ͚ͭΒΕͳ ͍ΑΓϢʔβͷᅂ޷ʹ߹ͬͨืूΛਪન͢Δ

  14. ©2021 Wantedly, Inc. ͭͳ͕Γάϥϑͷ׆༻ / Wantedly People Ϣʔβͱձ͔ࣾΒߏ੒͞ΕΔιʔγϟϧάϥϑΛ΋ͱʹɺ 
 Ϣʔβಉ࢜ͷؔ܎ੑΛਪఆ

    ͭͳ͕Γͷਪન΍ίϯςϯπͷฒͼॱ࠷దԽʹ׆༻
  15. ©2021 Wantedly, Inc. ࿩୊ͷਪન / Wantedly People ͭͳ͕ͬͨ૬खͷ͜ͱΛΑΓਂ͘஌ΔͨΊɺ 
 ࣗવݴޠॲཧΛ׆༻ͯ͠ɺ૬खʹؔ࿈͢Δ࿩୊Λਪఆ

    “ϏδωεSNSʮWantedlyʯΛӡӦ͢Δ΢ΥϯςουϦʔ͸ɺ…” χϡʔεهࣄ “΢ΥϯςουϦʔ” ձ໊ࣾ ݻ༗දݱநग़ ݕࡧΠϯσοΫε ϢʔβϓϩϑΟʔϧ “Wantedly, Inc.” ໊دͤɾݕࡧ
  16. ©2021 Wantedly, Inc. ΞΧσϛΞʹ͓͚Δ׆ಈ

  17. ©2021 Wantedly, Inc. ࠃࡍֶձ΁ͷௌߨࢀՃ / ࿦จಡΈձΠϕϯτͷاըӡӦ

  18. ©2021 Wantedly, Inc. ֶձซઃίϯϖςΟγϣϯͰͷೖ৆ɾ࿦จ౤ߘɾൃද

  19. ©2021 Wantedly, Inc. DEIM ΁ͷڠࢍ / ٕज़ใࠂ https://db-event.jpn.org/deim2020/

  20. ©2021 Wantedly, Inc. ࣄۀձࣾʹ͓͚ΔσʔλαΠΤϯεɾਪનγεςϜ։ൃ

  21. ©2021 Wantedly, Inc. ϓϩμΫτΛ࣋ͭࣄۀձࣾͳΒͰ͸ͷྑ͞ • େྔͷੜ͖ͨੜσʔλ • Wantedly ͷ৔߹ɺ310ສਓҎ্ͷݸਓϢʔβʔͱ4.1ສࣾҎ্ͷاۀϢʔβʔ͕ొ࿥ •

    ϢʔβʔΠϯλϏϡʔͳͲʹΑΔੜͷ੠Λฉ͘͜ͱ΋Մೳ • ࣮ࡍʹ։ൃʹܞΘΒͳ͍ͱಘΒΕͳ͍υϝΠϯ஌͕ࣝಘΒΕΔ • ࣮Ϣʔβʔͷར༻͢ΔϓϩμΫτ্ͰΦϯϥΠϯςετʹΑΔݕূ͕Մೳ • AB Testing, Interleaving, etc. • ࣗ෼ͨͪͷٕज़ɾ։ൃʹΑΔࣄۀߩݙΛײ͡ΒΕΔ • ॏཁࢦඪ͕վળ͞ΕΔʂച্͕૿͑ΔʂϢʔβʔ͕ࣗ෼ͨͪͷ։ൃͰ޾ͤʹͳ͍ͬͯΔʂ
  22. ©2021 Wantedly, Inc. ϓϩμΫτΛ࣋ͭࣄۀձࣾͳΒͰ͸ͷ೉͠͞ʢ=໘ന͞ʣ • ௚઀తʹࣄۀߩݙʹܨ͕Βͳ͍͜ͱ͸΍ΓͮΒ͍ • Ͳ͏ͯ͠΋୹ɾதظతͳࢪࡦʹूத͢Δ͜ͱ͕ଟ͍ɻ • νϟϨϯδϯάͰٕज़తʹ໘ന͍ɺ͍ΘΏΔ”࠷৽ͷٕज़”Λ࢓ࣄͰ͸ͳ͔ͳ͔৮Εͳ͍ɻ

    • ϑΟʔυόοΫϧʔϓɾόΠΞεͷ໰୊ • ࣮ࡍͷϢʔβʔͷߦಈϩάʹ͸༷ʑͳόΠΞε͕ଘࡏ͢ΔɻϑΟʔυόοΫϧʔϓͷ໰୊Λճආ͢ΔͨΊʹ୳ࡧͷ ཁૉΛऔΓೖΕ͍͕ͨɺ୹ظతͳࢦඪѱԽͷڪΕ͕͋Γͳ͔ͳ͔౿Έ੾Εͳ͍ɻ • ެฏੑͷ໰୊ • ͨͱ͑͹ɺδϣϒϚονϯάʹ͓͍ͯٻ৬ऀͷੑผ΍೥ྸΛೖྗͱͯ͠ϞσϦϯά͍͍ͯ͠ʁ • ֶशίετɾϨΠςϯγɾϦΞϧλΠϜੑ • ਫ਼౓͕0.01%޲্͢Δ͕ɺֶशʹ͔͔Δίετ͕2ഒʹͳΔϞσϧ͸ӡ༻Ͱ͖Δʁ • ͍͍ͤͥ਺ඦmsҎ಺ʹਪન݁ՌΛϢʔβʔʹදࣔ͢Δඞཁ͕͋Δɻ • ਺ඵલʹϢʔβʔ͕ΫϦοΫͨ͠ͱ͍͏࠷৽ͷᅂ޷σʔλΛ࢖ͬͯਪન͢Δʹ͸Ͳ͏͢Ε͹͍͍ʁ • ࣄۀυϝΠϯʹ΋ΑΔ͕ɺύϒϦοΫͳΞ΢τϓοτΛߦ͏͜ͱ͕೉͍͜͠ͱ͕ଟ͍ɻ
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  24. ©2021 Wantedly, Inc. ϕϯνϟʔاۀͳΒͰ͸ͷྑ͞ɾ೉͠͞ʢ=໘ന͞ʣ • ࢥ͍੾ܾͬͨஅ͕ҰఆՄೳ • ΦϑϥΠϯͷݕূ݁Ռ͸͋·Γྑ͘ͳ͍͕ɺΦϯϥΠϯͰग़ͤ͹Α͘ͳΔ͸͔ͣͩΒϦϦʔε͠Α͏ʂͩΊͳΒ͢ ͙ʹ໭ͦ͏ʂ •

    ܦݧͰ͖Δ෯͕޿͍ • দଜ͕ೖࣾͨ࣌͠఺Ͱ͸ɺਪનϩδοΫ͸ඇৗʹγϯϓϧͳ΋ͷͰ͋ͬͨ͠ Rails ΞϓϦέʔγϣϯͷதͰ࣮ݱ͞ Ε͍ͯΔΑ͏ͳ΋ͷͰ͋ͬͨɻ • ͔ͦ͜ΒɺPython αʔϏε΁ͷ੾Γग़͠ɾύʔιφϥΠθʔγϣϯɾػցֶशͷಋೖͳͲΛମݧͰ͖ͨɻ • ͕ɺٻΊΒΕΔೳྗͷ෯͸޿͍͜ͱ͕ଟ͍ɻͦ΋ͦ΋σʔλ͕ͳ͍৔߹͸ࣗ෼ͰूΊΔͱ͜Ζ͔Β΍Δඞཁ΋ɻ • ݸਓͱͯ͠ࣄۀɺ͋Δ͍͸ϢʔβʔମݧʹߩݙͰ͖Δେ͖͞ • ʢࣗ෼ͷ։ൃͨ͠ਪનϞσϧͷ͓͔͛Ͱ͋ͷਓ͸స৬Ͱ͖ͨͷ͔΋…ʂʣ • ͕ɺ੹೚͸େ͖͍ • ϓϩμΫτͷ੒௕΋ૣ͍ͷͰɺ༷ʑͳੑ࣭ͷ໰୊ʹऔΓ૊Ή͜ͱ͕Ͱ͖Δ • ൺֱతύϒϦοΫͳΞ΢τϓοτ͕͠΍͍͢ʢ͔΋ʣ • ܭࢉࢿݯͳͲ͸ਖ਼௚େखʹ͸ఢΘͳ͍ • ͕ɺͦ͜·Ͱͷࢿݯ͕ඞཁͳ͍͜ͱͷํ͕ଟ͍ɻ