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俺の「機能横断的チーム」に近づくためのあれこれ

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チームが「機能横断的チーム」に近づいていけるように頑張ってます

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俺の「機能横断的チーム」に近づくためのあれこれ

  1. 1. 俺の「機能横断的チーム」 に近づくためのあれこれ@ XP祭り2014 LT 2014/09/06 楽天株式会社トラベルサービス開発・運用部 渡邉太一
  2. 2. 2 About Me Taichi Watanabe • Software engineer • Team Leader twitter:@taichiw0424
  3. 3. 3 今日の話 スクラムチームは自己組織化されており、 機能横断的である。自己組織化チームは、作業を成し 遂げるための最善の策を、 チーム外からの指示ではなく、自分たちで選択する。機能横 断的チームは、チーム以外に頼らずに作業を成し遂げる能力 を持っている。 スクラムガイド日本語訳より抜粋 https://www.scrum.org/Portals/0/Documents/Scrum%20Guides/2013/Scrum-Guide-JA.pdf
  4. 4. 4 今日の話 そうは言ってもムズカシイ。 そんなチームに近づくために 試行錯誤してみた
  5. 5. 5 Our team & Our product 在庫登録検索・予約 ホテル/旅館エンドユーザ
  6. 6. 6 Our team & Our product ホテル/旅館 InventoryPlatform Team 管理画面 外部API コアAPI
  7. 7. 7 Our Task • どういうインタフェースのAPIか決める • どういう動きをするか決める • Unit Test & コードを書く • 想定した動きをしているかテストする (→Integration Test) • 技術的な質問に答える • 本番オペレーション(リリース、手運用) • 改善 <他のチームのお仕事> • 要求分析/定義 • QA
  8. 8. 8 群がれ! 設計・IT系 実装系 上から やってね!
  9. 9. 9 なぜかIntegration Testが残る… • テスト設計の仕方がわからない • テストよりプロダクションコードが書きたい • (一気に人数が増えた時期があって) あなたにはテストを任せられない… 约旦风情-“安曼残留的古罗马剧院” by llee_wu https://www.flickr.com/photos/13523064@N03/4586230710/
  10. 10. 10 理想のチーム • どういうインタフェースか決める • どういう動きをするか決める • Unit Test & コードを書く • 想定した動きをしているかテストする (→Integration Test) • 技術的な質問に答える • 本番オペレーション(リリース、手運用) • 改善 全員に できるように なってほしい • 人依存が防げる • 各スキルは相互に関連している (設計・IT ⇔ 実装⇔ メンテ・改善)
  11. 11. 11 あえて逆方向の「機能特化型」チームを作ってみた 設計・ITチーム 実装チーム メンテ・改善チーム • どういう インタフェースか決める • どういう動きをするか決める • 想定した動きをしているかテストする • Unit Test & コードを書く • 技術的な質問に答える • 本番オペレーション • 改善
  12. 12. 12 あえて逆方向の「機能特化型」チームを作ってみた 設計・ITチーム Leader 実装チームメンテ・改善チーム Leader Leader • 同じことをしている メンバー間での レビュー • 明示的に 「リーダー」を決め 育成 • 「メンテ」チームの 独立
  13. 13. 13 結果 設計・ITチーム Leader Integration Testの 設計方法が わかりました! りそうのチームにちかづいた!
  14. 14. 14 状況が変わった… 【良い変化】 • 全員がひと通りのことができるようになった 【状況の変化】 • 細かい修正→新規機能の開発中心 【私の迷い】 • 一人一案件のほうがモチベーション上がるかな? 【メンバーへのヒアリング結果】 • やってみたい
  15. 15. 15 ひとりでやってみた インタフェース設計 IntegrationTest作成 コーディング IntegrationTest インタフェース設計 IntegrationTest作成 コーディング IntegrationTest 【Good!】 • 速い • 「俺のモノ」感が出るので モチベーションが高い 【Bad…】 • 他の人が仕様を 把握しずらい • レビューしてるとはいえ 品質が怪しい
  16. 16. 16 まとめ • 機能横断的なチームを作るために あえて逆方向の組織を作ってみた • チームの状況 (メンバーのスキル、プロダクトのフェーズ) によって最適なチーム体制が違う • 来月には違うこと言ってるかも。

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