(Senior) iOS Engineer, Mobile - Identity & Org
iOS Engineer · Senior · Full Time
Opens Airwallex's application page
Role
What you'll do.
Airwallex is seeking a Senior iOS Engineer to join their Identity & Org team in Singapore, focusing on building secure and scalable mobile financial applications for global businesses. The role involves developing native iOS solutions for cross-border payments and financial services, working with cutting-edge technologies while ensuring regulatory compliance and data security.
Responsibilities
- iOS Application Development: Design and implement enterprise-grade iOS applications and libraries using Swift and native iOS frameworks
- Cross-functional Collaboration: Work closely with product managers, designers, and backend engineers to define technical requirements and specifications
- Full-cycle Product Development: Own complete product development lifecycle from concept to deployment and maintenance
- Code Architecture and Refactoring: Collaborate with architects to refactor code and optimize design for maintainability, extensibility, and reusability
- Security and Compliance: Implement best practices for protecting sensitive financial data and ensuring global regulatory compliance
- Quality Assurance: Write comprehensive unit tests, maintain high test coverage, and support automated CI/CD pipelines
- Performance Optimization: Monitor and optimize app performance, memory usage, and battery consumption
- Code Review and Mentoring: Participate in code reviews and mentor junior developers on iOS development best practices
Qualifications
What we look for.
Technical
iOS Development Expertise
Expert knowledge of iOS frameworks, ecosystem, and native development patterns
Swift Programming
Advanced proficiency in Swift programming language for iOS development
Mobile Design Patterns
Strong understanding of design patterns specific to mobile development (MVC, MVVM, etc.)
API Integration
Experience with RESTful API integration and network programming
Testing and CI/CD
Ability to write maintainable code with high test coverage and maintain automation pipelines
Version Control
Proficiency with Git and collaborative development workflows
Education
Computer Science Degree
Bachelor's or Master's degree in Computer Science or equivalent technical major
Experience
Professional iOS Development
Minimum 5+ years of professional experience developing native iOS applications
Enterprise Application Development
Experience building scalable, secure enterprise-level mobile applications
Financial Services Experience
Preferred experience in fintech or financial services development
Cross-platform Knowledge
Understanding of Android development is highly valued but not required
Skills
Required
Swift Programming
Expert-level proficiency in Swift for iOS development
iOS SDK
Deep knowledge of iOS frameworks and native development
Mobile Architecture
Understanding of mobile design patterns and architectural principles
API Integration
Experience with RESTful API consumption and network programming
Testing and Quality Assurance
Ability to write comprehensive tests and maintain high code coverage
CI/CD Pipeline Management
Experience with automated build and deployment processes
Preferred
Android Development
Nice to haveCross-platform mobile development knowledge highly valued
Financial Services Domain
Nice to haveExperience in fintech or financial services applications
Security and Compliance
Nice to haveKnowledge of financial data protection and regulatory requirements
Performance Optimization
Nice to haveExperience optimizing mobile app performance and resource usage
Agile Methodology
Nice to haveExperience working in agile development environments
Tech stack
Languages
Frameworks
Databases
Tools
Other
Compensation
Pay and benefits.
Base·SGD 203,000 – 263,000
Benefits
Innovation Impact
Work on cutting-edge fintech solutions that redefine the financial technology landscape
Diverse Collaborative Environment
Join a diverse, inclusive team with collaborative spirit across 26 global offices
Cutting-edge Technology
Access to groundbreaking technologies and continuous learning opportunities
Professional Growth
Engage in vibrant community with guild meetings and knowledge sharing initiatives
Career Empowerment
Supportive environment where contributions drive change and growth knows no bounds
Global Exposure
Work with international teams and contribute to solutions serving 200,000+ businesses worldwide
Process
Interview steps.
- 01
Initial Screening
Phone or video call to discuss background, experience, and interest in the role
- 02
Technical Assessment
iOS-specific coding challenge or technical questions covering Swift, iOS frameworks, and mobile architecture
- 03
System Design Interview
Design discussion focused on mobile app architecture, scalability, and security considerations
- 04
Behavioral Interview
Cultural fit assessment and discussion of collaboration experience with product and design teams
- 05
Final Round
Meeting with senior team members and potential stakeholders to discuss role expectations and team dynamics
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.
The Opportunity: Be Part of Our Identity & Org Team
Become an integral part of our Identity & Org team, where you will play a critical role in advancing our identity solutions and fortifying our account infrastructure. We are on the lookout for passionate engineers driven to work on cutting-edge projects that enhance the availability, scalability, and security of our platform. Engage in global collaboration with product managers, designers, and fellow engineers to deliver exceptional Identity solutions that safeguard businesses and optimize our infrastructure for Airwallex's exponential growth.
Who We Are Looking For:
As an experienced Mobile Engineer (iOS), you’ll be part of our Identity team to build the Airwallex Mobile App for our customers to access our payment products across the globe on the go.
You will work with your engineering colleagues as well as product stakeholders to not only make sure it’s secure, reliable, sustainable and developer-friendly but also bring new features and different levels of integration experience. We build our solutions in native technologies across iOS and Android, so we admire that you have a grasp of both platforms.
In addition to core engineering duties, we actively encourage our engineering community to contribute to the growth of Airwallex generally. Our business is achieving rapid growth with an evolving roadmap, and we want our engineers to play a part in how that happens.
Responsibilities:
Responsible for the design & implementation of enterprise applications and libraries for iOS;
Work with internal business teams and product management to define requirements and develop technical specifications;
Serve as core contributor owning full-cycle product development;
Work with Architect and re-factor code and design for optimal maintainability, extensibility and reusability.
Integrate best practices for protecting sensitive customer data and ensuring global regulatory compliance.
Qualifications:
BS / MS degree in Computer Science or equivalent majors;
5+ years of professional experience developing native apps in iOS (Swift);
Expert knowledge of iOS frameworks and ecosystem;
Good understanding of design patterns for mobile development;
Experience using RESTful APIs;
Promote robust and maintainable code with high test coverage, and can maintain automation pipelines for CI/CD;
Ability to work independently as well as with a team;
Able to communicate fluently in English.
While this position primarily focuses on iOS development, your expertise in Android is also highly regarded.
Why Join Us
Impact and Innovation: Join a team where innovation meets impact. With us, you will redefine the technological landscape of the financial world.
Diversity and Collaboration: Our strength lies in our diversity and collaborative spirit, ensuring a rich, inclusive workspace.
Cutting-edge Technology: You will work with groundbreaking technologies that keep you engaged and continuously learning.
Community and Growth: Engage in a vibrant community with guild meetings and shared initiatives that foster knowledge sharing and professional growth.
Empowerment: Be part of a team where your contributions spearhead change and your growth knows no bounds in a supportive environment.
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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