Senior Software Engineer (iOS), Financial Platform

About Airwallex Airwallex is the AI-native financial operating system for a real-time, intelligent economy. More than 675,000 businesses, including McLaren Racing, Qantas, SHEIN, and TikTok, use us, directly or through our platform partners, to run their financial operations or build and monetize financial products of their own. We started in Melbourne in 2015 to build the infrastructure global commerce runs on. We're the regulated backbone behind global payments: not by accident, but by design. A decade plus, 85+ licenses, and a financial infrastructure spanning North America, Europe, the Middle East, and Asia-Pacific. We're co-headquartered in San Francisco and Singapore, with more than 2,700 people across 27 offices. We hire builders with founder-level energy, people who move fast with good judgment, dig in with real curiosity, and make calls from first principles rather than waiting to be told what to do. Read our operating principles to see it in full. How you'll make impact You'll build and evolve native iOS experiences that give Airwallex customers secure, reliable access to payment products around the world. You'll work with engineering colleagues and product stakeholders to turn requirements into scalable technical solutions across our mobile platform. Build enterprise iOS applications and reusable libraries in Swift that support reliable customer experiences. Own product development end to end, from defining technical solutions through implementation and delivery. Improve maintainability, extensibility and reusability through thoughtful design, refactoring and collaboration with architects. Raise code quality through robust implementation, high test coverage and reliable CI/CD automation. Protect sensitive customer data while supporting secure, reliable products that meet global regulatory requirements. What we're looking for Essentials 5+ years of professional experience developing native iOS applications using Swift Expert knowledge of iOS frameworks and the wider iOS ecosystem Strong understanding of design patterns for mobile development Experience working with RESTful APIs Experience designing and implementing enterprise applications and reusable iOS libraries Experience owning product development through the full engineering lifecycle A track record of writing robust, maintainable code with high test coverage Experience maintaining automation pipelines for CI/CD Ability to work independently and collaboratively with engineering, product and business stakeholders Fluency in English Experience applying best practices to protect sensitive customer data and support regulatory compliance Preferred A Bachelor’s or Master’s degree in Computer Science or an equivalent discipline Experience developing for Android or a strong understanding of the Android platform Experience working in financial services, payments or another regulated environment Experience collaborating with architects on code and design improvements You'll thrive here if You're comfortable owning the roadmap yourself. You own the outcome and you don't wait for permission to fix what's broken. You're comfortable operating across time zones with a globally distributed team, including colleagues based in APAC and EMEA. You communicate clearly and directly across cultures, and you're thoughtful about how context shifts meaning across borders. You hold yourself to a high standard even when no one is watching. Quality and accountability aren't external expectations, they're internal ones. Learn more about your team The Financial Platform team is the core engine powering Airwallex's global expansion. We own the fundamental financial stack, including the Client Wallet, Transaction Processing Engine, and Internal Ledger. Together, these mission-critical systems manage real-time balances, account for every transaction, and execute global settlements at massive scale. Our mandate is to safeguard financial integrity and ensure absolute precision across all settlements while scaling our infrastructure to fuel hyper-growth. If you want to build high-visibility architecture where your code directly secures and drives our global platform, this is where you belong. 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.