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Tokyo, Japan | French Permanent Resident Senior Software Engineer / Tech Lead / Bridge SE JLPT N1 | 20+ Years in Japan
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.
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
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.
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.
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.
- 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
- JLPT N1 (2008)
- University of Paris VII – BA in Japanese Studies (Sociology & Economics)
- French: Native
- Japanese: Fluent (JLPT N1)
- English: Business Level
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
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。
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
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
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
- 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
- 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)
- 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