Avatar of 黃怡瑄(Kouisen).
黃怡瑄(Kouisen)
Backend Engineer
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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
Logo of the organization.
National Taiwan University of Science and Technology
臺中市, 台灣
Taiwan

CV Pilihan

Diunggah pada 4 Feb 2026

Latar Belakang Profesional

  • Status sekarang
    Tidak bekerja
  • Profesi
    Java Developer
    Back-end Engineer
    Full Stack Development
  • Bidang
    Perbankan
  • Pengalaman Kerja
    2-4 tahun (relevan Kurang dari satu tahun)
  • Management
    Tidak ada
  • Skil
    Java 17+
    Spring Boot 3
    Spring Security 6
    Spring Data JPA
    Spring MVC
    HTML5
    CSS3
    JavaScript
    MySQL
    Git
    GitHub
    CQRS pattern
    Layered Architecture
    Defensive Design
    Hibernate Validator
    Lombok
    MapStruct
    Postman
    Eclipse
    Maven
  • Bahasa
    Japanese
    Fasih
    English
    Fasih
  • Pendidikan tertinggi
    Sarjana

Preferensi pencarian kerja

  • Status sekarang
    Siap untuk wawancara
  • Jenis pekerjaan yang diinginkan
    Full-time
    Tertarik bekerja jarak jauh
  • Jabatan pekerjaan yang diinginkan
    Software Engineer
  • Lokasi pekerjaan yang diinginkan
    Taipei City, Taiwan
    Hsinchu City, Taiwan
    Taichung City, Taiwan
  • Bekerja lepas
    Pekerja lepas paruh waktu

Pengalaman Kerja

Junior Banking Officer

Bank of Taiwan
Full-time
07/2023 - 03/2025
1 yr 9 mos
Taipei City, Taiwan
Deposits, Foreign exchange , Safety Deposit Boxes

Junior Banking Officer

Chang Hwa Bank
Full-time
10/2022 - 04/2023
7 mos
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.

Edukasi

Logo of the organization.
Sarjana Administrasi Bisnis
Department of Business Administration
2018 - 2022
Deskripsi
Yokohama City University Yokohama, Japan School of Economics and Business Administration | Exchange Program (2022-04 ~ 2022-08)