Senior Mobile Engineer (Android/IOS) (~1 Billion/year)

*** For both positions, we're looking for a candidate who has: 

• Bachelor's degree in computer science, Software Engineering, or a related field (or equivalent practical experience). 
• Proven experience as a Mobile Developer at least 5 years, with a strong portfolio of developing and deploying mobile applications
• Good ability in English (from 750 Toeic or equivalent)

*** Requirement for Android Developer: 

• Proficient in Java and/or Kotlin programming languages. 
• Solid understanding of the Android SDK, Android Studio, and related development tools. 
• Experience working with RESTful APIs, JSON, and web services integration. 
• Knowledge of the full mobile development life cycle, including design, development, testing, and deployment. 
• Familiarity with version control systems (e.g., Git) and bug tracking tools (e.g., JIRA). 
• Strong problem-solving skills and ability to work effectively in a fast-paced, collaborative environment. 
• Excellent communication and interpersonal skills, with the ability to effectively communicate technical concepts to both technical and non-technical stakeholders. 
• Self-motivated and eager to learn new technologies and frameworks. 

*** Requirement for IOS Developer: 

Candidate should be proficient in following or related tools: 

• Language: Swift, Objective C 
• Framework: Foundation, UIKit, User Notifications, ... 
• Design Patterns: MVC, MVVM, Clean Swift, ... 
• Fundamentals: Application Lifecycle, Life cycle of View controller, Completion Handlers and Closures, KVC and KVO, Background Tasks, GCD & NSOperation Queue 
• Familiarity with RESTful APIs/ Network:  NSURLSession, NSJSON Serialisation, Codable or related tools 
• Testing Frameworks: XCTest Instruments, XCUITest 
• Security: Handling Sensitive data, Handling Secure communication, Implementing Multi factor authentication, Prevent Code Tampering 
• Authentication: Oauth, Biometric 
• Deployment: App store deployment process 
• UI: Storyboard, XIB 
• State management: Application States 
• Database: CoreData, SQLite 
• Tools and ecosystem: GIT, JIRA, Jenkins, CI/CD 
• Prefer candidates with experience in Reactive Programming: RxSwift