Airwallex, valued at US$5.6 billion, is seeking a Staff Software Engineer for their Cards & Spend Management team. This role is crucial in revolutionizing how businesses manage credit cards and expenses. As a technical leader, you'll be responsible for building distributed systems handling millions of transactions while leading engineering streamlines within the Budget and Expense Management team. The position requires expertise in high-volume distributed systems and modern engineering practices, with a focus on Java/Kotlin and Spring Boot. You'll work with a global team across multiple time zones, contributing to a platform that serves over 150,000 businesses worldwide. The role offers competitive compensation ($160.3K – $299K), equity, and comprehensive benefits including medical, dental, and vision insurance. This is an opportunity to join a rapidly growing fintech company backed by world-leading investors like Sequoia and Mastercard, where you'll shape the future of global payments and financial platforms.