Senior iOS Engineer, GTPN Platform

Airwallex; Singapore; Hybrid; SGD 80,000 - 110,000; Full time

Job summary

A leading financial technology platform in Singapore is seeking a Senior Mobile Engineer to develop and enhance the Airwallex Mobile App. The ideal candidate will have over 5 years of iOS development experience using Swift and Objective-C, contributing to an agile, innovative team. Responsibilities include designing enterprise-level applications and collaborating with various teams to refine product features. This role is perfect for individuals passionate about mobile technology and seeking impactful work in a diverse environment.

Benefits

Cutting-edge technology

Community and growth opportunities

Diversity and collaboration

Qualifications

• 5+ years of professional experience developing native apps in iOS.
• Expert knowledge of development patterns and iOS frameworks.
• Ability to work both independently and as part of a team.

Responsibilities

• Design & implement enterprise applications for iOS.
• Collaborate with business and product teams for requirements and specifications.
• Own full-cycle product development as a core contributor.
• Integrate best practices for data protection and regulatory compliance.

Skills

Native iOS development

Swift and Objective-C

iOS frameworks

RESTful APIs

Automation pipelines for CI/CD

Team collaboration

Fluent English

Education

BS / MS in Computer Science or equivalent

Job description

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.

Who We Are Looking For

As an experienced Senior Mobile Engineer (iOS), you’ll be part of our GTPN 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 (both Swift and Objective‑C);
• 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;
• 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.