Mobile Developer - Flutter Or Native Android / iOS

Duty Station: 7-month contract, with possible extension- Sana’a-Yemen

You will be responsible for designing and developing the customer-facing mobile experience for Android and iOS, from UI/UX concepts through to production implementation.

Responsibilities

• Design and develop modern, intuitive, and user-friendly mobile UI/UX
• Create mobile user flows, wireframes, prototypes, and high-fidelity interface designs
• Design experiences optimized specifically for mobile platforms
• Implement the designed UI/UX using Flutter, Kotlin, or Swift
• Provide complete Arabic / English and RTL / LTR support
• Integrate with backend APIs
• Implement push notifications
• Implement secure authentication and session management
• Implement biometric authentication
• Use secure local storage and appropriate mobile security mechanisms
• Apply mobile security best practices, including:
  • Certificate pinning
  • Secure data handling
  • Root / jailbreak detection
  • Secure credential/token storage
• Ensure consistent UX across Android and iOS
• Optimize application performance and usability
• Prepare production releases for Google Play and Apple App Store
• Participate in code reviews and technical discussions

Requirements

• 3+ years of mobile development experience
• Strong experience with Flutter / Dart, or native Kotlin / Swift
• Strong understanding of mobile UI/UX design principles
• Experience designing mobile interfaces and user flows
• Experience with Figma or similar UI/UX design tools
• Experience with state-management and architecture patterns such as BLoC, Riverpod, Provider, MVVM, Jetpack, or SwiftUI
• Understanding of mobile application security
• Experience integrating mobile applications with REST APIs
• Experience publishing applications to Google Play and/or Apple App Store
• Ability to take a product requirement and turn it into a complete mobile UI/UX design and working application

Preferable 

• Experience developing banking, fintech, wallet, or payment applications
• Experience with both Flutter and native mobile development
• Experience implementing mobile application security controls
• Experience with automated mobile testing and CI/CD