MVVM, Mapkit, Core Location, Swift, Cocoa, Ios Sdk, Debugging, Autolayout, Performance Tuning, Uikit, Core Animation, Mvc, Core Bluetooth, CAllKit, Extensions, reusable frameworks, EventKit, AddressBook, iOS application architecture, SiriKit, StoreKit, SnapKit, multithreaded programming, Monitoring, Size Classes, AVFoundation, third party libraries for networking, Optimization Techniques, UI components, Performance Tools, async image loading

Git, Typescript, React Native, Rest Apis, Mobile app authentication and session handling, Modern JavaScript, Debugging mobile applications, Mobile UI and UX patterns