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About Airwallex
At Airwallex (airwallex.com), we're building the future of global finance on one platform. Founded in 2015 in Melbourne, Airwallex is the leading financial technology platform for modern businesses to grow beyond borders. With one of the world's most powerful payments infrastructure, our technology empowers businesses of all sizes to accept payments, move money globally, and simplify their financial operations, all on one single platform.
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 . 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 zerotoone 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, highvisibility 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 Engineering team at Airwallex is a diverse group of innovators, builders, and problem solvers, driven by a mission to empower businesses to operate anywhere, anytime. We thrive in a collaborative and fast-paced environment, where we're constantly pushing the boundaries of what's possible in the financial technology space. As a team, we value technical craftsmanship, continuous learning, and a strong sense of ownership, working together to build scalable, reliable, and secure products that empower businesses of all sizes to grow without borders.
The Cards team at Airwallex builds and maintains distributed systems that enable businesses to issue debit cards and manage expenses at scale. The team addresses complex requirements around compliance, security, and the evolving needs of global users-supporting millions of seamless card transactions and ensuring robust, reliable expense management solutions for companies worldwide.
As a Senior Engineer on the Cards team, you will design and build scalable backend systems that power our card issuance and expense management products. You will collaborate with cross-functional teams to deliver reliable, secure features while mentoring engineers and influencing the technical direction of the platform.
Responsibilities
Design and implement scalable, secure backend services that power the Cards product.
Contribute to the architecture and long-term technical vision of our backend systems.
Own end-to-end delivery of new features and improvements-from design to production.
Write high-quality, testable code with attention to reliability and maintainability.
Promote and uphold engineering best practices, including observability and API design.
Collaborate with cross-functional teams including product, infrastructure, and design.
Provide technical mentorship and support the growth of other engineers on the team.
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 Computer Science, Software Engineering, or a related field.
5+ years of professional software engineering experience.
Hands-on experience designing and building backend systems and APIs in production.
Strong computer science fundamentals, including algorithms, data structures, and distributed systems.
Proficient in at least one backend language (e.g., Java, Kotlin, Go, Python).
Solid understanding of REST API design and backend frameworks (e.g., Spring Boot).
Experience working with cloud infrastructure (e.g., AWS, GCP) and container orchestration (e.g., Kubernetes).
Strong focus on performance, reliability, and code quality.
Preferred qualifications
Familiarity with observability and monitoring tools (e.g., Grafana, Prometheus, Splunk).
Job ID: 137432095
