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角色： 在玉山銀行的六年多時間中，持續擔任PG角色，同時兼任SD、SA，參與團隊的開發。起初使用中菲的投資理財系統S2SH (Structs2、Spring、Hibernate)，透過使用Design Pattern程式改寫優化系統效能，並制定開發規範提升程式碼品質。隨著系統架構轉向微服務，學習了maven與SpringBoot進行

可以反向控制板子達成電燈開關、攝影機視訊串流、音樂播放等功能。 技能 JAVA ● Java 教學 【JavaDoc】 ● Spring MVC 框架 【SpringMVC-SE】 ● SpringBoot 【SpringBootSE】 ● SpringCloud 【SpringCloudSE】 ● Hibernate ORM 框架 【HibernateSE】 ● MyBatis ORM 框架 【MyBatisSE】 ● Swing 圖形介面 【EIP】 【led_martix】 ● JUnit4 單元測試 【JUnitSE】 Android ● Bluetooth 數據傳輸 【BthSE】 ● Retrofit 網路請求 ● Square’s flow MVP 【AndroidProjSE】 ● Butter Knife

Taiwan MyWebsite / MyPortfolios Work Experience SeptemberJune 2022 Software Engineer (Java, Python) 國泰金控 Cathay Financial Holdings 【Job description】 Backend APIs development using Java for MyRewards App - Major services developed by me: E-Invoice service and push notification service. - Tech stack: Spring Framework, Spring Boot, Spring Cloud, Hibernate, Oracle, Redis, Maven, Git, Azure. Internal system(CMS) development for MyRewards App using Python. - Features including app content management, marketing event promotion, customer service issue tracking, database routine maintenance job, marketing report and scheduling system. - Tech stack: Flask, Celery, Jinja2, Bootstrap, Gunicorn, Sqlalchemy, Git, Oracle, Redis

work, allowing back-end engineers to easily use templates to complete front-end development. During my tenure as a consultant, in order to reduce the tediousness of integrating heterogeneous systems through custom programming, I conducted extensive research on Java's mapping mechanism and JPA technology (at that time, only Hibernate was available), and developed an integration framework based on XML configuration. Through simple POJO codes and XML data, the system integration was achieved by reading and writing to the database. Later on, when I came across the Spring framework, I realized that the concept was similar, as

engage effectively with stakeholders, ensuring seamless collaboration and understanding across all levels. I am dedicated to pushing the boundaries of what is possible, aiming for excellence in every project I undertake. Skills JAVA 1.8 Microservice architecture REST API Open Source Frameworks ( Spring ,Spring Boot,Spring Cloud, Hibernate,JPA,My Batis) Java Build Tool Maven/Gradle DB2, PostgreSQL, Mongo DB Version control System (GitLab) Postman Monitoring tool (Splunk,Dynatrace) Angular 12 Testing Tool JUnit,Mockito,Power mock JIRA STS/INTELI J Apache Kafka Rabbit MQ SonarQube AWS basics Mainframe VSAM Work Experience Lead Software Developer

Chung David 鍾昌興 CELL :SW RD PM軟體開發及專案經理 Taipei City, Taiwan 工作經歷 八月十月 2022 IoT software engineer Upwork as a Freelancer 負責台灣高鐵全省網關控制即時監控系統（基於Web VUE ReactJS & Springboot Java GUI的嵌入式系統設備）的更新。 熟悉的技術： a. 嵌入式Linux、Yocto專案、QT、Cmake、Docker b. MCU、Cortex M、Modbus、OPCUA c.

Cheng-Kai Chung Software Enginery Taipei City, Taiwan 技能 Tech Stack Backend Database Framework Java Python MS-SQL MySQL Oracle PostgreSQL MongoDB Cassandra Jersey SSH(Struts Spring Hibernate) SpringBoot JPA Flask Workspace Frontend Certification Windows Linux MAC VM-Ware AWS GCP Apache Tomcat Git JavaScript jQuery VUE Flutter LPIC-1 CCNA SCJP History experience Software engineer Join Win Information Inc. MarFeb 2023 Taipei, Taiwan Resident engineer at Taiwan Mobile Maintain back-end online customer service system. position: pg methodology: java, servlet, JSP, spring-boot, JPA, maven, oracle, javascript, svn, git Software engineer Pure-Stone Information CO.