- UI optimization, refactoring components in simplified Chinese.- Participate in the task assessment of the team and give the story point on iOS side. - Discuss experimental setup and review with team members from the technical perspective.

- Participated in core module refactoring, technical breakthrough on the mobile terminal, fixed bugs and delivered tests to improve product stability.- Communicate and cooperate with design, PM to improve product business process, improve App security through data encryption, anti-debugging and code confusion.

- Splitting the project to reduce resource coupling between business modules provides important reusable components for the project.- Explore continuous integration and automated deployment to improve team development efficiency. - Conduct requirement feasibility assessment with customers and propose alternative solutions.

- Independently responsible for client development and development documents to participate in product design and product landing.- Developed the first version of the App independently in 4 months, submitted app to the appStore for review and carried out subsequent iterative optimization.