Senior Mobile Engineer, iOS or Android (Relocation to Melbourne)
Mobile Engineer · Senior · Full Time
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Role
What you'll do.
Senior Mobile Engineer role at Airwallex focusing on building high-quality iOS and Android applications using modern frameworks like SwiftUI, Combine, AndroidX, and Hilt. The position requires 6+ years of native mobile development experience and involves architecting scalable mobile solutions for global B2B payments platform.
Responsibilities
- Feature Development: Take ownership of the design, implementation, and delivery of key features across iOS and Android apps, ensuring they are intuitive, performant, and reliable
- Cross-Platform Collaboration: Collaborate closely with fellow engineers to define architecture, share best practices, and drive high-quality standards across platforms
- Architecture Leadership: Influence how we scale and evolve our mobile apps by shaping core architecture and contributing to long-term technical direction
- Strategic Contribution: Go beyond feature development by contributing to team processes, product decisions, and broader engineering strategy as we scale globally
- Technical Leadership: Be a hands-on technical leader who takes pride in clean, testable code and actively supports continuous improvement across the mobile stack
- Payment Integration: Develop and maintain Apple Pay and Google Pay integration for seamless card transactions
- B2B Platform Development: Build features that empower customers to manage global B2B payments, submit and approve expenses, and control virtual and physical cards
Qualifications
What we look for.
Technical
Native Mobile Development
6+ years of experience developing native mobile applications on iOS or Android using modern frameworks and development practices
Production App Experience
Proven experience shipping one or more production apps, ideally available in the App Store or Google Play
Code Quality Focus
Strong focus on code quality with ability to write testable code with high test coverage
CI/CD Pipeline Experience
Experience maintaining CI/CD pipelines using tools like GitHub Actions or Bitrise
Modern Development Tools
Experience with modern Android or iOS development tools and libraries such as AndroidX, Jetpack, SwiftUI, Combine, Hilt, or Coroutines
Education
Bachelor's Degree
Bachelor's degree or higher in Computer Science, Engineering, or a related field
Experience
Senior-Level Experience
6+ years of professional experience in native mobile application development
Production Shipping
Demonstrated experience in shipping production mobile applications to app stores
Skills
Required
iOS Development
Native iOS development using Swift, SwiftUI, and Combine with modern async/await patterns
Android Development
Native Android development using Kotlin, AndroidX, Hilt, and Coroutines
Mobile Architecture
Strong understanding of mobile app architecture patterns and best practices
Testing & Quality
Experience writing comprehensive unit tests and maintaining high code coverage
CI/CD Operations
Hands-on experience with mobile CI/CD pipelines and automated deployment processes
Preferred
Payment Integration
Nice to haveExperience integrating Apple Pay, Google Pay, or other payment systems
Fintech Domain
Nice to haveUnderstanding of financial services and B2B payment systems
Cross-Platform Development
Nice to haveExperience working with both iOS and Android platforms
Performance Optimization
Nice to haveSkills in mobile app performance tuning and optimization
Tech stack
Languages
Frameworks
Tools
Other
Compensation
Pay and benefits.
Benefits
Relocation Support
Full relocation support provided for moving to Melbourne, Australia
Global Impact
Opportunity to work on products that serve over 200,000 businesses worldwide including major brands like Brex, Rippling, and Qantas
Career Growth
Accelerated learning and true ownership opportunities in a fast-growing fintech unicorn valued at US$8 billion
Equal Opportunity
Equal opportunity employer committed to diversity and inclusion across all hiring decisions
Innovative Environment
Work with cutting-edge financial technology and modern mobile development frameworks
Process
Interview steps.
- 01
Application Review
Initial screening of resume and portfolio, focusing on mobile development experience and production app examples
- 02
Phone/Video Screen
30-45 minute conversation with hiring manager covering background, experience, and cultural fit assessment
- 03
Technical Interview
Live coding session focusing on mobile development concepts, architecture patterns, and problem-solving skills
- 04
System Design Round
Mobile architecture and system design discussion covering scalability, performance, and technical trade-offs
- 05
Final Interview
Final round with senior leadership covering long-term vision, team collaboration, and relocation planning
Full posting
Original listing.
About Airwallex
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. Valued at US$8 billion and backed by world-leading investors including T. 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. If you’re ready to do the most ambitious work of your career, join us.
Attributes We Value
We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you’re motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor.
You're humble and collaborative; turn zero‑to‑one ideas into real products, and you “get stuff done” end-to-end. 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. If that sounds like you, let’s build what’s next.
About the team
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.
You’ll be joining Airwallex at a pivotal moment as we expand the capabilities of our modern, fully native mobile apps. 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.
What you’ll do
As a Mobile Engineer, you’ll focus on building high-quality, user-friendly native mobile applications using modern frameworks and best practices. You’ll work closely with product managers, designers, and other engineers to deliver features that are reliable, intuitive, and performant.
This role is based in Melbourne and relocation support will be provided.
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.
Who you are
We’re looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory.
Minimum Qualifications:
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)
Preferred Qualifications:
Experience with modern Android or iOS development tools and libraries, such as AndroidX, Jetpack, SwiftUI, Combine, Hilt, or Coroutines
Applicant Safety Policy: Fraud and Third-Party Recruiters
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. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page.
Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary.
Equal opportunity
Airwallex is proud to be an equal opportunity employer. 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.
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