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oharato/README.md

👋 Hi, I’m @oharato

  • 🚀 Full-stack Engineer with 12 years of experience, specializing in System Modernization & Data Engineering.
  • 🛠️ Expertise: Transforming legacy architectures into high-performance, modern environments.
  • 📈 Key Achievement: Built a group-wide data foundation on Snowflake, integrating 2M+ customer records with high integrity.
  • 🏗️ Core Skill: Robust backend development with Java (Spring Boot) and PHP, combined with modern frontend practices in TypeScript.

🛠 Tech Stack

  • Languages: Java, PHP, TypeScript, JavaScript, Ruby, Python, SQL
  • Frameworks: Spring Boot, Vue.js, Ruby on Rails
  • Data & Infra: Snowflake, dbt, Oracle DB, AWS, Docker
  • Tools: GitHub Actions, Gradle, Vite, Flyway

🔥 Highlighted Results

  • Modernization: Led the migration from Ant to Gradle and Vue 2 to Vue 3/Vite, drastically improving developer experience (DX).
  • Automation: Eliminated manual DB operations by implementing automated migrations via Flyway.
  • Security: Unified disparate authentication systems into a central SSO (SAML) platform.

💞️ Interests

  • Developer Experience (DX): Building tools that make engineering teams more productive and "Happy."
  • Financial Tech: System architecture for credit scoring and stablecoins (JPYC).
  • Personal: High-fidelity audio and the therapeutic benefits of Onsen.

💼 Portfolio

金融系

学習・教育系

ツール系

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  1. edinet-ts edinet-ts Public

    Forked from BuffettCode/edinet_xbrl

    A TypeScript xbrl file downloader and parser for EDINET

    HTML