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shoe116/README.md

🇬🇧 English first. 日本語は後半にあります。

👋 Hi, I'm Shu (@shoe116)

I'm a co-founder and software engineer at Buffett Code, a web platform for company analysis.
I also mentor the engineering and executive teams at OPERe Inc..

For more details, please see here(Japanese Only).

🚀 What I'm working on

  • Buffett Code: A web service that helps analyze companies in Japan and the US
    • I'm one of the co-founders and the longest-standing engineer
    • We're actively hiring engineers → Join us!
  • OPERe Inc.:
    • Mentoring the engineering team and executive team
  • SaaSがこの先生きのこるには (#saas_is_dead_jp):
    • A casual meetup exploring the future of SaaS
    • Less like a lecture, more like an open conversation

🕰 Past work

  • Yahoo! Japan (2012–2018): Worked on ad systems and big data infrastructure
    • Built data pipelines with Apache Hadoop, Spark, and Hive
  • Mercari (2018–2024): Worked on the data platform
    • Built stream/batch pipelines with Apache Beam (Cloud Dataflow) and Apache Airflow (Cloud Composer)
    • Later helped with the migration to Apache Flink and Argo Workflows
  • Sakura Internet (2024–2026): Worked on the Monitoring Suite log platform
    • Built with Apache Iceberg / Kafka in Kotlin and Go

📚 What I'm learning & exploring

  • Playing guitar and singing, just picked up the fiddle
  • Studying philosophy, politics, and the arts at The Open University of Japan
  • (The fiddle and my studies are on a short break while I focus on taking care of my baby 👶)

📫 Get in touch


🇯🇵 以下、日本語です。

👋 こんにちは、しゅう(@shoe116)です

バフェット・コードの共同創業者兼ソフトウェアエンジニアです。
株式会社OPEReで開発チームと経営メンバーのメンタリングもしています。

より詳しくはこちらから。

🚀 現在取り組んでいること

🕰 これまでのお仕事

  • Yahoo! Japan(2012〜2019): 広告システムとビッグデータ基盤の開発
    • Apache Hadoop / Spark / Hive を使ってデータパイプラインを構築
  • メルカリ(2019〜2024): データプラットフォームの開発
    • Apache Beam (Cloud Dataflow) と Apache Airflow (Cloud Composer) でストリーム・バッチパイプラインを構築
    • 後に Apache Flink / Argo Workflows への移行もお手伝い
  • さくらインターネット(2024〜2026): モニタリングスイートのログ基盤の開発
    • Apache Iceberg / Kafka を使い、Kotlin と Go で開発

📚 学んでいること・興味のあること

  • ギターを弾いて歌っています、フィドルも始めてみました
  • 放送大学で哲学・政治・芸術をつまみ食い中
  • (フィドルと放送大学は、今は子育てのため少しお休み中です 👶)

📫 連絡先


GitHub Streak

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