- Building native-looking components with high performance.- Integrate and custom video calling suitable for the elderly and meet project requirements.- Perform unit testing with Jest.- Maintain high-level expertise in React state management strategies with state machine.- Configured automation pipelines using Gitlab Pipeline to monitor CI/CD process.- Build GraphQL queries to connect applications to backend services.- Build multi-devices compatible pages using Material UI.- Building native-looking components and nice animation.- Integrate dynamic components with AEM.- Perform e2e testing with Detox.- Craft components in atomic design with Storybook.

- Architected and took responsibility for the implementation of front-end solutions.- Drove the adoption of best practices in coding standards and performance- Implemented a mobile-first approach to create responsive web experiences that adapt seamlessly across all devices.- Architected the application following Atomic Design principles, significantly increasing the proportion of reusable components for efficient development and maintenance.- Utilized native HTML elements strategically and created custom tags where necessary to optimize the application for search engines.- Integrated in-app purchases with multiple-region payment gateways, facilitating a smooth user experience for international transactions.

- Building native-looking components and nice animation.- Used CodePush to deliver over-the-air updates as needed.- Integrated native calling feature with Stringee.- Handle call history between app and OS.- Publish to App Store and CH Play. - Perform beta testing with Testflight and Google Beta Test.