Senior Software Engineer, Yield

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 2,200 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 https://www.airwallex.com/us/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. ABOUT THE TEAM The Yield Team is the strategic force behind our investment product—a solution that empowers businesses to earn competitive returns on their idle cash without the restrictions of traditional term deposits. Following our recent market launch, we are focused on leveraging this flexibility to drive customer stickiness and long-term engagement. As one of the fastest-growing business units at Airwallex, Yield operates like a startup within a startup, offering unparalleled opportunities for innovation and career growth. We are expanding aggressively on a global scale. If you're driven by innovation and eager to make a meaningful impact, Yield is the perfect place for you. Apply now and help shape the future of fintech! This role is based in Sydney. WHAT YOU'LL DO As a Senior Software Engineer on the Yield team, you will design and build the high-integrity backend systems that allow businesses to earn returns on their idle cash with total liquidity. - Contribute to the architecture and long-term technical vision of our backend systems, helping define the engineering strategy and framework selection for the Yield squad. - Own the end-to-end delivery of core investment workflows, including client signup, investment, and redemption processes—from design to production. - Build and maintain mission-critical financial infrastructure, such as reconciliation controls, unit registries, and investment ledgers. - Write high-quality, testable code with a focus on reliability and maintainability, ensuring seamless integration with our external investment providers. - Promote and uphold engineering best practices, with a strong emphasis on observability, API design, and robust integration rails. - Collaborate with cross-functional teams including Product, Infrastructure, and Design to ensure our product delivers the best possible experience for businesses. WHO YOU ARE We're looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory. MINIMUM QUALIFICATIONS: - 5+ years of professional software engineering experience. - Bachelor degree or above in computer science or software engineering related majors. - Have experience solving distribu