-Integrated with Microsoft Intune App SDK into the Native Android App, and configured MASL for for user authentication as a SSO participation behavior.-Fetched an event list from Microsoft graph to Check whether the even exists from the backend API, and implemented created event to the Outlook Calendar by clicking the button from recyclerView.-Implemented range selection in costume CalendarView, calendar will snap to the nearest month after a click or swipe action.Added the date click function for navigating to the exact meeting schedule.-Implemented Koin as dependency injection lightweight framework to avoid boilerplate code.

* Increased the efficiency of app performance and streamlined handling of button menus by building rich UI using material design features like Button NavigationBar, Coordinate layout, FloatingButton. * Create different tab fragments like HomePage, LauncherPage and TaskPage by using TabLayout with ViewPager.* Migrated from MVC to MVVM in order to keep business logic away from activities and fragments and allow for scalability.*Extensively worked with Kotlin and experienced with Continuous Integration(CI/CD)* Implement other design patterns like Singleton, ViewHolder and Builder in different modules for standardization and maintenance of code * Experienced in working with Service Locator to parse the JSON result and show the product information on the screen.* Developed new UI screens which provided multiple Activities, BaseAdapter, ListViews, enriched buttons* Used Agile Methodology for project management by using JIRA and BitButcket to handle developed code

-Implement MVVM design pattern Databinding, RxJava for handling view logic and business logic.-Providing clean architecture suggestions, analyzing user stories and participating in sprint planning, scrums, demos and retrospective.-Worked on Two-Factor Authentication and integrated it into Login, Registration, Credential Recovery to send the security code to users and validate users to login.-Applied Retrofit to fetch and parse JSON result to get the information of member engagement, then the server will figure out user’s performance level according to the request.-Implement the registration process so that new members can register in only a few steps without no abrasion. -ButterKnife was used to find and automatically cast views in Layouts for various activities and fragments.-Followed Agile Methodology for Project development using JIRA and Bitbucket.-Integrate Glide library to import the high-quality images displayed on the recyclerview