Mobile Senior Tech Developer

Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale.
Proudly founded in Melbourne, we have a team of over 2,000 of the brightest and most innovative people in tech across 26 offices around the globe. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is leading the charge in building the global payments and financial platform of the future. We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You use AI to work smarter and solve problems faster. Here, you’ll tackle complex, high‑visibility problems with exceptional teammates and grow your career as we build the future of global banking. Our Mobile Team is responsible for the end-to-end development of both our iOS and Android apps, leveraging the latest technologies to build a seamless user experience. On iOS, we work with SwiftUI, Combine, and Async/Await, while on Android we use AndroidX, Coroutines, Hilt, and a suite of Jetpack libraries.
These apps empower customers to manage global B2B payments, submit and approve expenses, and control both virtual and physical Airwallex cards—including seamless Apple Pay and Google Pay integration for card transactions.
As a Mobile Engineer, you’ll focus on building high-quality, user-friendly native mobile applications using modern frameworks and best practices. This role is based in Melbourne and relocation support will be provided.
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.
Be a hands-on technical leader who takes pride in clean, testable code and actively supports continuous improvement across the mobile stack.
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 with modern Android or iOS development tools and libraries, such as AndroidX, Jetpack, SwiftUI, Combine, Hilt, or Coroutines

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To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don’t regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know.