Senior Backend Engineer, Global Card Issuing Platform

Airwallex Pty Ltd.; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

Airwallex Pty Ltd. in Singapore is seeking a staff software engineer responsible for designing and building complex systems for their issuing platform. The ideal candidate should have over 8 years of experience in backend development and a strong track record in large-scale system design. This role involves leading architectural improvements, mentoring engineers, and ensuring high code quality. Successful applicants will contribute to a dynamic team driving innovations in the financial technology space.

Qualifications

• 8+ years of professional software engineering experience as a senior or staff-level contributor.
• Strong proficiency in backend development with Java or Kotlin.
• Deep experience with large-scale distributed systems.

Responsibilities

• Design and operate reliable, scalable systems for real-time transactions.
• Lead design of distributed, event-driven systems.
• Set high standards for code quality and operational readiness.

Skills

Backend development using Java, Kotlin, Go, or Python

Designing and delivering large-scale distributed systems

Event-driven and streaming architectures

RESTful APIs design

Cloud experience with GCP or AWS

Observability tooling (Splunk, Grafana, Prometheus)

Domain-driven design

Education

Bachelor’s degree in Computer Science, Software Engineering, or related field

Tools

Docker

Kubernetes

Job description

Airwallex Pty Ltd. in Singapore is seeking a staff software engineer responsible for designing and building complex systems for their issuing platform. The ideal candidate should have over 8 years of experience in backend development and a strong track record in large-scale system design. This role involves leading architectural improvements, mentoring engineers, and ensuring high code quality. Successful applicants will contribute to a dynamic team driving innovations in the financial technology space.