Senior Mobile Engineer, iOS or Android

Salary: £45,000 - 70,000 per year

Requirements:

• 6+ years of experience developing native mobile applications on iOS or Android, using modern frameworks and development practices
• Bachelor’s degree or higher in Computer Science, Engineering, or a related field
• Proven experience shipping one or more production apps, ideally available in the App Store or Google Play
• Strong focus on code quality—writes testable code with high test coverage
• Experience maintaining CI/CD pipelines (e.g. GitHub Actions, Bitrise)
• Experience with modern Android or iOS development tools and libraries, such as AndroidX, Jetpack, SwiftUI, Combine, Hilt, or Coroutines

Responsibilities:

• Take ownership of the design, implementation, and delivery of key features across our iOS and Android apps, ensuring they are intuitive, performant, and reliable.
• Collaborate closely with fellow engineers to define architecture, share best practices, and drive high-quality standards across platforms.
• Influence how we scale and evolve our mobile apps—built less than three years ago—by shaping core architecture and contributing to long-term technical direction.
• Go beyond feature development: contribute to team processes, product decisions, and broader engineering strategy as we scale globally.
• Be a hands-on technical leader who takes pride in clean, testable code and actively supports continuous improvement across the mobile stack.

Technologies:

• Android
• CI/CD
• GitHub
• Support
• LESS
• Mobile
• iOS
• AI
• Embedded
• Salesforce

More:

At Airwallex, we are a unified payments and financial platform based in Melbourne, with a team of over 2,000 innovative individuals across 26 offices globally. As we expand our modern, fully native mobile apps, we empower customers to manage global B2B payments and expenses seamlessly. We value builders with founder-like energy who are ready to make an impact and tackle high-visibility challenges. We provide relocation support for this role based in Melbourne and offer an environment conducive to growth and collaboration.

last updated 33 week of 2026