• Designed the end-to-end architecture for new service of Environmental Compliance, enabling future customers from different business aspects to leverage the services the team developed.

• Improved the process of onboarding new business units by designing and implementing the ​Java​ generic interfaces in ​Spring-based project, enabling customers to onboard to the system with minimal code changes.

• Implemented config module for business units to automatically generate configurations for ​Amazon S3 ​and Amazon RDS

• Extended ​MySQL​ schema to retain and segregate data for different future business units, implemented DAOs based on ​Hibernate​ APIs.,

• Wrote unit tests using ​JUnit​ and ​Mockito ​to make the coding process Agile

• Used internal ​CI/CD​ system to deploy the project in the Amazon beta environment.

• Enabled users to filter and display talents’ resumes by implementing multiple React components, using Redux, Redux-Saga, and Ant-Design.

• Designed RESTful APIs for the intelligent question-answering interface, which benefited to reduce communication cost between HRs and candidates.

• Used Taro to support migrating project to Wechat Typescript-powered mini-program without massive refactoring work according to incompatibility with React.

• Designed and implemented a reusable questionnaire React component which could be reused in user feedback and customer surveys.

• Utilized DOCX library to generate .docx reports to display the matching degree of a candidate and a specific position to enterprises in recruitment.

• Decreased the number of user logins by integrating Single Sign-On mechanism based on Shibboleth and Identity Management System.

• Set up a private Ethereum Blockchain in Ubuntu 16.04, designed and deployed a Smart Contract using Solidity, implemented an online trading platform DApp DEMO and demonstrated application scenarios of blockchain technology in E-commerce to customers.