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黃怡瑄（Kouisen）
Backend Engineer
Java Spring Boot | JLPT N1 | TOEIC 885
Highly analytical Backend Engineer with a background in Financial Services, bringing a "Zero-Error" mindset and
rigorous logic to software engineering. Specialized in Spring Boot ecosystem, with a deep-dive approach to framework
internals (e.g., Spring Security Filter Chain) to build robust, scalable RESTful APIs. While specializing in backend
architectural patterns like CQRS, I also possess solid front-end proficiency (HTML/CSS/JS) to ensure seamless API
integration and UI Implementation.
【Technical Blog (Traditional Chinese)】 https://medium.com/@kouisengetnews
Bank of Taiwan
National Taiwan University of Science and Technology
臺中市, 台灣
台湾
注目履歴書
アップロード日：2月 4日 2026
職歴・バックグラウンド
- 現在の状況求職中
- 専門分野Java Developer・Back-end Engineer・Full Stack Development
- 業界分野銀行業
- 職務年数2〜4年 (1年未満 関連経験)
- 管理経験なし
- スキル
- 言語スキルJapanese・流暢English・流暢
- 最終学歴大学
求職希望
- 現在の状況積極的に転職活動中
- 希望の雇用形態フルタイム・リモートワークに興味あり
- 希望職種Software Engineer
- 希望勤務地Taipei City, Taiwan・Hsinchu City, Taiwan・Taichung City, Taiwan
- フリーランスパートタイムフリーランス
職務経験
Junior Banking Officer
Taipei City, Taiwan
Deposits, Foreign exchange , Safety Deposit Boxes
Junior Banking Officer
Hsinchu City, Taiwan
Deposits
- Financial Operations & Compliance:
Managed high-stakes transactions in a zero-tolerance-for-error environment. Ensured
100% compliance with complex regulations to mitigate operational risks.
- Access Control & Authentication:
Enforced Multi-Factor Authentication (MFA) protocols for vault access, fostering a deep
understanding of Identity and Access Management (IAM) and strict authorization.
- UX & Logic Optimization: Analyzed and optimized business logic in daily workflows to
enhance efficiency. Gained frontline UX insights to design more intuitive, user-centric system processes.
- Defensive Design Mindset: Translated the banking "Double-Check" culture into Defensive Programming. Applied multi-layered validation (DTO/Service layers) to
ensure data integrity and system robustness.
学歴
経営学士（BBA）
・
Department of Business Administration説明
Yokohama City University Yokohama, Japan
School of Economics and Business Administration | Exchange Program (2022-04 ~ 2022-08)