Responsibilities:

Work with the design team on screens design for iOS
Collaborate with cross-functional teams to define, design, and ship new features
Support your team mates whenever possible
Work with outside data sources and APIs
Unit-test code for robustness, including edge cases, usability, and general reliability
Be proactive and make suggestions for the product orientation (roadmap/user stories)
Continuously discover, evaluate, and implement new technologies to maximize the product efficienc
Requirements:
Experience working in iOS development and must have published at least 1 app
Proficiency in C/C++/Objective-C experience
Extensive knowledge of iOS SDK, Object-C frameworks (UIKit, Core Graphic, CoreData, ... )
User centric mindset (good knowledge of iOS Human interface)
Good debugging and optimization skills
Experience with third-party libraries and Restful APIs, web services, JSON
Experience working in an Agile/Scrum development process
Knowledge about VoIP is a plus
Analytical, self-driven with new technologies
Working language are Vietnamese and English