Staff Software Engineer, Cards

Airwallex Singapore, Singapore
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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. 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.

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.