Zi hua D.

Stack:

• JavaScript,
• Java,
• RabbitMQ,
• PostgreSQL
• Node.js,
• MySQL,
• Keycloak,
• React.js.

Responsibilities:

• Designed and developed a single sign-on service based on Keycloak in 2019;
• Built a digital contract system in 2020;
• Developed back-end service of our official mobile application for teaching staff.

Stack:

• JavaScript,
• Spring-cloud,
• Netflix-eureka,
• Openfeign,
• React.js,
• Node.js.

Responsibilities:

• Participated in designing and revamping contactless payment system for Xi’an subway system based on microservice architecture;
• Developed front-end and back-end applications of the administration system for contactless payment system of Xi’an subway;
• Designed and developed an accounting and reporting system.

Stack:

• Java,
• Apache-dubbo,
• Spring-boot,
• MongoDB,
• React.js,
• Twitter-bootstrap,
• Node.js.

Responsibilities:

• Developed on-campus WI-FI billing system for Zhengzhou Technology and Business University serving thousands of students;
• Developed back-end service of our official app “Xiaode Campus”;
• Developed front-end application of WI-FI billing administration system.

Stack:

• Java,
• Jquery,
• Twitter-bootstrap
• PHP,
• Spring-mvc
• Redis
• C++

Responsibilities:

• Developed back-end service for a part-time job agency portal site and its front-end pages.
• Developed back-end application for TimeValue (a working hour recording and shift management system) and its desktop client using Java Swing.
• Integrated TimeValue with Sony FeliCa card reader using C++ and Java Native Interface.
• Worked with product managers and test engineers in spotting performance bottlenecks and optimizing database design.