Mojtaba Shafaei

• Added a web socket to retrieve changes from the server in real time and display relevant notifications • Developed the MRZ Passport scanner library, which allows users to enter the passenger's info in less than 5 seconds. • Use Coroutines multi-threading and background processing to accelerate computations and I/O • resolve the "callback-hell" issue; The source code is now easier to read and maintain. • Stronger code by using "Junit5" tests. The stability has been raised to 99.5%.

• Managed a process to re-develop the entire (stock market) app using Kotlin, MVVM + RxJava + Repository architecture. As a result, the program's crash-free rate increased to 99%, its ANR reduced to almost 0%, and no spaghetti code existed. • Re-designed the UI using Google Material principles. The interface became more attractive and user-friendly, and the time of stay-in-app increased by 40%. • Added the dependency injection to improve memory usage using “Koin”.

• Created 2 applications for preparing a job-finding environment using "MVP" architecture, “Realm” db, and "RxJava2" with 100% free-crash as Fabric Crashlytics. • Provided an offline option to the app so that users could browse data even when the Internet was down, and we received nearly 5 stars on Google Play and in the Iranian market.