Software Engineer, Spend

About the role

Airwallex is seeking a Software Engineer to join the Spend Management team, focusing on backend services for the Cards product within the Accounting Hub. The role involves designing, building, and operating scalable, secure systems that handle spend transactions globally.

Key responsibilities

• Design and implement scalable, secure backend services powering the Cards product.
• Contribute to architecture and long‑term technical vision of backend systems.
• Own end‑to‑end delivery of new features, from design through production.
• Write high‑quality, testable code with emphasis on reliability and maintainability.
• Promote engineering best practices, including observability and API design.
• Collaborate with product, infrastructure, and design teams.
• Provide technical mentorship and support the growth of other engineers.

Required profile

• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• 2+ years of professional software engineering experience.
• Hands‑on experience designing and building backend systems and APIs in production.
• Strong fundamentals in algorithms, data structures, and distributed systems.

Required skills

• Proficiency in at least one backend language such as Java, Kotlin, Go, or Python.
• Experience with REST API design and frameworks like Spring Boot.
• Knowledge of cloud platforms (AWS, GCP) and container orchestration (Kubernetes).
• Familiarity with observability and monitoring tools (Grafana, Prometheus, Splunk) is a plus.