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日本語は以下ご確認ください

Tsurubaso

Tokyo, Japan | French Permanent Resident Senior Software Engineer / Tech Lead / Bridge SE JLPT N1 | 20+ Years in Japan


PROFESSIONAL SUMMARY

Senior Software Engineer with 8+ years of experience delivering business-critical systems in Japan across infrastructure, smart metering, public monitoring platforms, and web automation environments. Strong background in backend engineering (.NET / C# / Python / Java), system integration, database architecture, and offshore coordination.

Recently expanding into applied AI engineering, including local LLM workflows, lightweight agent automation, and distributed system experimentation. Recognized for reliability, leadership, and cross-cultural communication in Japanese business environments.


CORE COMPETENCIES

Backend Development C# (.NET), Python, Java

Frontend Development JavaScript, HTML5, CSS3, jQuery

Frameworks & Platforms Laravel, Electron, Node.js, Next.js

Databases PostgreSQL, SQL Server

Tools & Protocols Azure DevOps, Redmine, SOAP UI, FTP, XML, TCP, TLS

Professional Strengths Technical Leadership, Bridge SE, Requirements Definition, System Coordination, Process Automation


PROFESSIONAL EXPERIENCE

Senior Software Engineer / Tech Lead – Smart Meter Systems

Power Utility Company (Japan), Tokyo Nov 2023 – Present

  • Bridge SE between Japanese stakeholders and a 25-member offshore engineering team (India).
  • Supported development of smart-meter communication and measurement systems.
  • Designed and improved system validation and testing environments.
  • Managed tasks and workflows in Azure DevOps (English environment).
  • Coordinated technical alignment across multiple teams.

Software Engineer / Technical Consultant

Tokyo Mar 2018 – Oct 2023 (Continuous project-based engagements)

Key Assignments:

  • Backend Engineer – Public Infrastructure Monitoring (Jul 2023 – Oct 2023)
  • Python Developer – Sales Automation & Data Processing (Apr 2023 – Jun 2023)
  • Bridge SE – Medical & Accounting Software (Dec 2022 – Mar 2023)
  • Lead Developer – Internal Marketing Platforms (Jan 2020 – Nov 2022)
  • Python Engineer – Image & Data Automation (Apr 2019 – Jan 2020)
  • Java Developer – Photographer Workflow Platform (Mar 2018 – Apr 2019)

Delivered backend systems, automation tools, database integrations, and full-cycle application development across infrastructure, healthcare, and marketing domains.


EARLIER CAREER – BUSINESS & CROSS-CULTURAL EXPERIENCE

Tokyo 2000 – 2018

  • French language instructor (large group instruction: 30–40 students)
  • Publishing industry sales representative (negotiations with major bookstore headquarters)
  • Sales manager in retail and restaurant promotion (distribution and campaign leadership)
  • Brand and event consultant, including corporate events at major headquarters (e.g., SoftBank)

Built strong negotiation, presentation, and stakeholder communication capabilities within Japanese corporate culture.


ADDITIONAL TECHNICAL EXPERTISE

  • Distributed systems prototypes (blockchain fundamentals, P2P messaging) using Node.js
  • Practical AI workflows (Ollama, local LLM inference, lightweight agent systems)
  • AI feature integration into backend services
  • Secure communication study (TCP/TLS patterns)
  • Focus on scalable backend architecture and modern engineering practices

EDUCATION & CERTIFICATIONS

  • JLPT N1 (2008)
  • University of Paris VII – BA in Japanese Studies (Sociology & Economics)

LANGUAGES

  • French: Native
  • Japanese: Fluent (JLPT N1)
  • English: Business Level

ツルバソ

東京都在住|フランス国籍(永住権取得済) シニアソフトウェアエンジニア / テックリード / ブリッジSE 日本語能力試験N1


職務要約

日本にて8年以上、インフラ、スマートメーター、公的監視システム、Web自動化などの業務システム開発に従事。バックエンド開発(.NET / C# / Python / Java)を中心に、システム連携、DB設計、オフショア調整を担当。

近年はローカルLLMやエージェント型自動化など、実践的なAI技術の研究・実装にも取り組んでいる。


スキル

開発言語 C# (.NET)、Python、Java

フロントエンド JavaScript、HTML5、CSS3

データベース PostgreSQL、SQL Server

ツール・技術要素 Azure DevOps、Redmine、SOAP UI、XML、FTP、TCP、TLS

強み 要件定義、技術調整、チームリード、業務自動化


職務経歴

電力会社向けスマートメーター開発支援

2023年11月~現在

  • インド拠点オフショア(25名)との技術調整
  • Azure DevOpsによるタスク管理
  • テスト環境構築および効率改善

技術コンサルタント(プロジェクト継続型)

2018年3月~2023年10月

主な担当案件:

  • 公共インフラ監視システム開発
  • 医療系システムのブリッジSE業務
  • Webマーケティング自動化ツール開発
  • Pythonによる業務自動化
  • Java業務プラットフォーム開発

追加技術領域

  • Node.jsによる分散システム個人開発(P2P・ブロックチェーン基礎)
  • Ollama等を用いたローカルLLM活用研究
  • AI機能のバックエンド統合
  • TCP/TLS通信設計の学習
  • スケーラブル設計と保守性重視の開発方針

学歴・資格

  • 日本語能力試験1級(2008年)
  • パリ第7大学 日本学科(社会経済学専攻)

言語

  • フランス語:ネイティブ
  • 日本語:流暢(N1)
  • 英語:ビジネスレベル

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