* Frontend SPA with Angular* Backend with Spring Boot, splitting Auth Server and Resource Server * Multi-Factor Authentication with OAuth2, TPIN, AWS SES, AWS SNS* Database with MySQL, AWS RDS* Storage with AWS S3* Load balance / Reverse Proxy with Nginx* Deployed with Nginx, AWS EC2* DevOps with Jenkins, Jira, Git, Bitbucket* Increased code coverage with Junit 5, Mockito, Spring Boot Test* Test with Unit Test, Performance Test, Pen Test

I worked for a backend system UMS (Universal Message System) in HSBC software groups that processes information or delivers digital messages, such as Email, SMS, Fax and Paper. UMS has three Linux servers and eight application instances in production to balance the massive throughput of transactions that are more than 2 million per month.Regarded as a key developer, I often provide technical experience and knowledge to junior teammates, such as JAVA development skills & Linux script knowledge. Additionally, I usually communicate with users and discuss the requirements of the project. Managing and delivering the programs that are designed by contractors is also my job responsibility.HSBC applies Agile & DevOps whose aims to achieve Continuous Integration & Continuous Delivery (CI/CD) strategy. I attended a few relevant Agile courses in Hong Kong, and I learned some knowledge about related tools, such as Maven, GitHub, Jira, Confluence, Kanban, Jenkins etc.Our Agile team applies a TTD (Test-Driven Development) methodology. Testing also includes Regression Test, System Integration Test and User Acceptance Test. Database and Deployment use DB2 and Websphere respectively.

* Provided high-quality delivery to customers such as New Generation Enterprise Banking of China Construction Bank.* Applied SDLC software process in the workplace.* Analyzed user requirements to determine the feasibility of the design and estimate the spent time and cost.* Front-end development with Html, CSS, Javascript, JQuery, and with frameworks such as Struct 2, Spring MVC.* Server-side development with Java, JSP/Servlet, and with Spring framework.* Scripting language with VBScript, Perl.* Database with Oracle, SQL, Hibernate, having query optimisation experience based on extensive records.* System communication with JMS and MQ technologies.* Deployment with Tomcat, Weblogic, Websphere Server.* Testing with Unit Test, Regression Test, SIT(System Integration Test), UAT(User Acceptance Test).* Developed an interpreter tool that decreases 15 minutes time costs to verify messages.