元金融系インフラSE｜IT技術を幅広く発信🐧 金融現場で培った堅牢な思想ベースで情報発信 チートシート・小ネタはQiitaに 深掘り記事・有料本はZenn（penbit_lab）で公開中📝 「なぜそうするか」の背景を大切にしています
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