Senior Software Engineer, 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 https://www.airwallex.com/en-us/operating-principles to see it in full.   HOW YOU'LL MAKE IMPACT You'll engineer sophisticated and scalable backend systems that manage financial data and transactions efficiently and securely. - Build backend systems that support robust, scalable financial data and transaction processing. - Partner with Product Management, Design, and other Engineering teams to improve product functionality, meet customer needs, and work within regulatory requirements. - Improve product requirements through product insight and data-driven feedback, strengthening system robustness and scalability. - Raise financial data integrity by implementing and enhancing checks and processes that maintain accuracy and consistency. - Protect user data and transactions by applying security best practices and preventing unauthorised access. WHAT WE'RE LOOKING FOR ESSENTIALS - You have a strong foundation in backend software engineering, with expertise in languages such as Java, Kotlin, or equivalent. - You leverage data to make informed decisions and enhance platform effectiveness. - You have a deep understanding of customer and financial data needs, guiding your approach to software development. - You work collaboratively, share knowledge, and embrace diverse perspectives to achieve collective goals. - You're eager to learn new skills and technologies and adapt quickly to changes in the fintech landscape. - You're focused on security, particularly protecting user data and preventing unauthorised access. 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've worked in a high-growth or scaling environment and know what it takes to build systems that need to grow with the business. - You know when to align and when to just decide. Collaboration isn't a way to avoid accountability. - You simplify complexity rather than hiding behind it. 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 http://airwallex.com email address. Please apply only through careers.airwallex.com http://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.