Staff Software Engineer, Cards

19 hours ago

Singapore AIRWALLEX (SINGAPORE) PTE. LTD. Full time

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. What you'll do As a Staff Engineer on the Cards team, you will lead the architecture and development of complex backend systems that support our card products. You will drive cross-team technical initiatives, mentor engineers, and shape the long-term engineering strategy to ensure scalability, security, and reliability at a global scale. This role is based in Singapore. Responsibilities Drive the architecture, design, and evolution of complex backend systems that support the Cards product. Lead cross-functional technical initiatives and ensure alignment with long-term engineering goals. Own the full lifecycle of backend services-from idea to design, implementation, testing, deployment, and maintenance. Guide teams in making scalable, secure, and high-performing system design decisions. Establish engineering best practices around observability, testing, and API design. Mentor and support the growth of engineers across the team. Collaborate closely with product, design, and infrastructure teams to deliver reliable and impactful solutions. 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 Computer Science, Software Engineering, or a related field. 8+ years of professional software engineering experience, including experience in technical leadership roles. Proven experience architecting and scaling backend systems and APIs in production. Strong computer science fundamentals, including data structures, algorithms, and distributed systems. Expertise in at least one backend language (e.g., Java, Kotlin, Go, Python). Deep understanding of REST API design and modern backend frameworks (e.g., Spring Boot). Experience with cloud infrastructure (e.g., AWS, GCP) and container orchestration tools like Kubernetes. Strong commitment to code quality, reliability, and performance. Preferred qualifications Experience leading cross-team initiatives and influencing technical direction at a system-wide level. Proficiency in observability and monitoring tools (e.g., Grafana, Prometheus, Splunk). Familiarity with security and compliance considerations in the financial services domain. A passion for mentoring and helping others grow.

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