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what is “あじゃいる”
株式会社エクスライズ 霜村謙鷹
自己紹介
出身地:東京 所属:株式会社エクスライズ(渋谷)
2021年から新潟に移住しリモートワーク
現在、新潟支社開設に向け活動中
物理、数学、哲学、酒: LOVE
twitter: @akshimo
PeacockEnginnerGroupメンバー
最近、あちこちでアジャイルという言葉を
聞きますね。
ついにはTVCMでまで使われ始めました。
(一部の)世間の声
• Scrumを組んでいればアジャイルなんでしょ
• 基本設計書、詳細設計書を書かないやり方で
しょ
• 2週間のイテレーションで区切ればアジャイ
ルでしょ
(#^ω^)
• アジャイルとは何か?を改めて考えてみる
• 書籍の引用ばかりではつまらないので、自分
はこう思うけどどうだろう?的なスタンスで
• ただし、「やさしいあじゃいる」のテーマに
従って
某TVCMいわく、アジャイルとは
素早く
柔軟なこと
大事な観点抜けてない?
価値を届ける
Jonathan Rasmusson『アジャイルサムライ』
・毎週、価値ある成果を届けられているか?
・たゆまぬ改善のための努力を惜しまず続け
られているか?
この2つの問いへの答えが「YES」なら、君
はアジャイルだ。
一旦これで考えてみよう
• 素早く
• 柔軟に
• 価値を届ける
素早く
一般の人が思う素早く
start goal
start goal
アジャイルの素早く
…
価値を届ける イテレーション
柔軟に
柔軟に
↓
後で決める(決められる)
意思決定の遅延
例えば、XXアーキテクチャやXXパターン。
データの保存先を、RDBかNoSQLかFileかイ
ンメモリか後で決められる。
増田亨『現場で役立つシステム設計の原則』
仕様の変更や開発の優先順位を変えたい
ときに、準委任契約のほうが柔軟に対応
できます。
(中略)請負契約は、発注側も受注側も
リスクの多いやり方です。
短いイテレーションで
意思決定の遅延が可能で
価値を届ける
具体的には?
• スクラム
• TDD
• XP
• 顧客参加
• ユーザストーリー
• フィードバック
• YAGNI、スパルタ
• etc…
これらは繋がっている
• 短いイテレーション
• 意思決定の遅延
• 価値を届ける
アジャイルとは仕組みではな
く、姿勢でありマインドセッ
トである
「人間」や「組織」について
話すかは迷ったがこの辺で風
呂敷を畳んでおく
アジャイルソフトウェア開発宣言
• プロセスやツールよりも個人と対話を
• 包括的なドキュメントよりも動くソフトウェ
アを
• 契約交渉よりも顧客との協調を
• 計画に従うことよりも変化への対応を
アジャイルソフトウェア開発の12の原則
http://agilemanifesto.org/iso/ja/principles.html
最後に
肝に銘じてほしい。
アジャイルで「あること」なんてどうで
もいいんだ。
大切なのは素晴らしいプロダクトを作る
ことと、それを君のお客さんにちゃんと
届けることなんだ。
Jonathan Rasmusson『アジャイルサムライ』
End
ご静聴ありがとうございました

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what is あじゃいる