Senior IT Engineer, Financial System

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 IT FinEng team is dedicated to building and optimizing Airwallex financial systems and processes through innovative technology solutions, ensuring seamless integration and support for our global corporate financial operations. We work closely with Finance, Operations, and Corporate IT across the business to support the systems that run our business. WHAT YOU’LL DO We are seeking an IT engineer to implement the optimization of our finance systems. Responsible for the architecture and hands-on configuration of our financial infrastructure, you’ll ensure it is scalable, secure, and highly efficient. This role is based in Singapore, Sydney or Melbourne. RESPONSIBILITIES: - System Architecture & Engineering: Lead the technical design and implementation of finance systems, focusing on ERP configuration, API integrations, and data pipeline management. - Technical Optimization: Continuously improve system performance and reliability, automating manual finance processes and enhancing data integrity across platforms. Drive continuous improvement initiatives to enhance system performance, user experience, and process efficiency. - Integration Management: Design, build and maintain integrations between finance systems and other internal or external platforms. - Escalated Technical Support: Act as the highest escalation point for complex system issues, performing root cause analysis and implementing long-term technical fixes. - Stakeholder Collaboration: Partner with the Finance team to translate business requirements into technical specifications and executable code. - Security & Compliance: Ensure all financial systems adhere to global security standards and support audit requirements through automated logging and controls. - Reporting and Documentation: Develop and maintain comprehensive technical documentation, including system diagrams, integration maps, and technical "how-to" guides for the broader finEng team. Being able to measure the project outcome metrics and business impact. 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: - Bachelor’s degree in Information T