Senior Mobile Engineer (iOS or Android)

Airwallex5 months ago

Location

SG - Singapore

Type

Full Time

Level

Senior

Role

Senior Mobile Engineer

Posted

Oct 15, 2025

Full TimeSenior

The role

Summary

Senior Mobile Engineer role at Airwallex, a fintech unicorn building cross-border payment solutions. The team develops native iOS and Android apps using modern frameworks like SwiftUI, AndroidX, and Jetpack libraries. This is an opportunity to shape mobile architecture at a fast-growing company valued at $8B.

What you'll do

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

Architecture Design: Influence how mobile apps scale and evolve by shaping core architecture and contributing to long-term technical direction

Cross-platform Collaboration: Collaborate closely with fellow engineers to define architecture, share best practices, and drive high-quality standards across platforms

Technical Leadership: Be a hands-on technical leader who takes pride in clean, testable code and actively supports continuous improvement across the mobile stack

Strategic Contribution: Go beyond feature development to contribute to team processes, product decisions, and broader engineering strategy as the company scales globally

What we look for

Technical

Mobile Development Experience6+ years of experience developing native mobile applications on iOS or Android using modern frameworks

Production App ExperienceProven experience shipping one or more production apps available in App Store or Google Play

Code Quality FocusStrong focus on code quality with ability to write testable code with high test coverage

CI/CD ExperienceExperience maintaining CI/CD pipelines using tools like GitHub Actions or Bitrise

Education

Bachelor's DegreeBachelor's degree or higher in Computer Science, Engineering, or related field

Experience

Senior Level Experience6+ years of native mobile development experience

Production AppsExperience shipping production mobile applications

Skills

Required skills

Native Mobile Development6+ years experience with iOS or Android native development

Modern FrameworksProficiency in SwiftUI, AndroidX, Jetpack libraries, or equivalent modern frameworks

Code QualityStrong testing practices and ability to write maintainable, testable code

CI/CDExperience with continuous integration and deployment pipelines

Production ExperienceTrack record of shipping apps to App Store or Google Play

Nice to have

SwiftUI & CombineExperience with modern iOS development frameworks

Android JetpackProficiency with AndroidX, Hilt, Coroutines, and Jetpack libraries

Payment IntegrationExperience with Apple Pay, Google Pay, or similar payment frameworks

Fintech DomainUnderstanding of financial services and B2B payment solutions

Architecture LeadershipExperience in defining mobile app architecture and technical direction

Compensation & benefits

Benefits

Global Impact

Work on products used by over 200,000 businesses worldwide including major brands like Brex, Rippling, and Qantas

Career Growth

Accelerated learning opportunities in a fast-growing $8B unicorn company

Innovation Environment

Work with cutting-edge fintech technology and modern mobile development frameworks

Flexible Location

Role can be based in Singapore or Melbourne with global team collaboration

Equal Opportunity

Inclusive workplace that values diversity and equal opportunity employment

Interview process

1
Initial Screening — Phone or video screening with recruiter to discuss background and role alignment
2
Technical Assessment — Mobile development coding challenge or technical assessment
3
Technical Interview — Deep-dive technical discussion on mobile development, architecture, and past projects
4
System Design — Mobile app architecture and system design discussion
5
Cultural Fit — Interview with team members to assess cultural alignment and collaboration style
6
Final Interview — Senior leadership interview to discuss vision, growth, and mutual fit