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Airwallex Logo Airwallex · IT - Software Development

Senior Android Engineer - Payments Team (Card & POS)

Singapore · Job Posted February 21, 2026
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Job Description

As a Senior Mobile Engineer, you'll play a pivotal role in our Payment Team, developing cutting-edge mobile solutions that power seamless payment experiences. You'll help architect and build our POS applications and SDKs that enable merchants worldwide to accept payments through a diverse range of international and local payment methods.

Job Responsibility

  • Responsible for the design & implementation of enterprise applications and libraries for Android
  • Work with internal business teams and product management to define requirements and develop technical specifications
  • Serve as core contributor owning full-cycle product development
  • Work with Architect and re-factor code and design for optimal maintainability, extensibility and reusability

Requirements

  • BS / MS degree in Computer Science or equivalent majors
  • Strong proficiency with Kotlin, with ability to read and understand Java codebases, including 5+ years of Android development experience building production applications
  • Strong foundation in software design principles and design patterns for mobile development
  • Deep knowledge of Android architecture components, Jetpack libraries, and modern development approaches (Compose, MVVM, Coroutines, Flow, etc.)
  • Promote robust and maintainable code with high test coverage, and can maintain automation pipelines for CI/CD
  • Ability to work independently as well as with a team
  • Fluently in English

Nice to have

  • Experience developing and maintaining Android SDK libraries or frameworks
  • Familiarity with cross-platform technologies such as React Native or Flutter
  • Working experience in the payment industry
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