Must have a excellent research skills
Database design and optimization using SQL Server and SQL Lite.
Understanding of various Web Technologies and Web Services (JSON, REST, SOAP, XML, HTTP)
Extremely strong fundamental understanding of data structures and algorithms
Experience writing unit tests and testable code
Experience with multithreading programming, unit tests and testable code
Must have worked in iOS/ Objective-C/ C++ /SWIFT and has a portfolio that shows fully deployed and proven App products in the App Store
Proficient with Objective-C/Cocoa and swift
Experience with iOS frameworks such as Core Data, Core Animation, etc.
Experience with offline storage, threading, and performance tuning
Familiarity with RESTful APIs to connect iOS applications to back-end services
Knowledge of other web technologies and UI/UX standards
Understanding of Apples design principles and interface guidelines
Familiarity with cloud message APIs and push notifications
Expert in Ionic, Phonegap & Cordova