Senior Mobile Engineer (iOS), Global Payments

Location: Singapore; work from the Singapore office five days a week

Company

Airwallex provides financial infrastructure and real-time payment solutions for businesses and financial product builders worldwide.

What you will do

• Build secure, reliable, maintainable iOS applications and libraries using Swift and SwiftUI.
• Develop the Airi Consumer Wallet and a networked checkout solution for global payment use cases.
• Partner with engineering, product, and business teams to define requirements, technical specifications, and end-to-end deliveries.
• Improve payment security and customer trust across real-time transactions, sensitive customer data, and regulatory requirements.
• Refactor code and designs with architects to improve maintainability, extensibility, and reusability.
• Contribute to engineering standards and the wider engineering community.

Requirements

• 5+ years of professional experience developing native iOS applications.
• Expert knowledge of iOS frameworks and the broader iOS ecosystem.
• Strong understanding of mobile development design patterns and experience with RESTful APIs.
• Experience writing robust, maintainable code with high test coverage and maintaining CI/CD automation pipelines.
• BS or MS degree in Computer Science or an equivalent discipline.
• Fluency in English and availability to work from the Singapore office five days a week.

Nice to have

• Experience developing for Android or familiarity with the Android platform.
• Exposure to React Native or other cross-platform frameworks.
• Experience working with Objective-C.

Culture & Benefits

• Work with a globally distributed team across APAC and EMEA time zones.
• Own roadmap decisions and operate independently with incomplete information.
• Focus on high standards, quality, accountability, and direct communication.
• Build AI- and agent-native financial systems on established global infrastructure.