Design, implement & manage apps that can scale and serve millions of users. Design and implement RESTful and GraphQL API. Build and deploy modern applications in Flutter, Node.js, React Native, PHP and etc. Architect efficient and design scalable backend systems on Amazon Web Services. Write unit, functional and end-to-end tests. Identify and resolve performance and scalability issues. Work closely with the other team mates to design, build and extend new products, services, platforms and features. Build re-usable mobile software components. Ensure mobile applications can be rapidly developed, build and deploy through robust CI/CD pipelines, tooling and processes. Continuously improve the code and user-experience (UX).