- Building a SaaS investment service for brokers to manage various financial products from scratch. There are complex form manipulations and huge real-time updated table for users.- Participating in frontend infrastructure development: - Improve the Webpack settings for production optimization, - Imrpove the code quality by introducing conventional commits, ESlint + Prettier, Husky, unit test and e2e test - Designing common component for different projects with ReactJs. - Improve the CI/CD performance. - Monitoring code quality by SonarQube and import to CI/CD.- Design a complex form by React-hook-form and Zod. This approach resulted in significantly reducing the bugs report from the huge form manipulations.- Participating Scrum and collaborating with product and backend team members located in Australia and India, to consistently achieve our sprint goals.- Conducting code reviews with team members and ensuring adherence to TypeScript's rules in the codebase.- Discussing project requirements and then distributing tasks to the team members.

- Building UI component library with Storybook refer to Ant Design or React Suite. The components are highly re-usable, readable and depends on Single-responsibility principle.- Develop Custom Data Platform(CDP) project with ReactJS, UI components, eCharts, Typescript and GraphQL. By following the DRY principle, we create many hooks and common components and make the code readable and testable.- Develop Sport betting system with frequently bet-odds updating, responsive web design and various sport’s game streaming. Furthermore, The application should be runnable on different browser/devices, eg: iPhone, Samsung, Vivo or QQ.- Integration testing using Cypress.- Improve web vitals by analyzing bundle size, optimizing query schema and improving legacy code.- Introduce semantic-release to release stage of the pipeline and notify slack channel when pipeline has been done. Notably, I made the stage could be applied to other non-frontend teams by using common scripts.- Writing shell scripts to ease redundant process of publishing.- Mentored 3 team members, enabling them to achieve professional growth.

- Writing the spec for switch. Generating spec documentation with PHP + Pandoc + Mitek automatically.- Protocol development with C.- Survey, Web page development with Vue.js, Web page development automation.- Setting environment of Gitlab CI： Web page will be testing before merge to master.- Setting environment of automatically updating for Switch： Timer switch + windows scheduler + shell script + ttl script.