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Airwallex company · OPEN ROLE

Airwallex

Staff Software Engineer, Cards

Singapore · Engineering · AI

Company
Supports businesses' cross-border payments, currency exchange, and card issuing on one platform.
Role
Designs and operates systems for card issuing and spend management.

What you will do

We rewrote the responsibilities and qualifications in plain language instead of copying the original posting.

Responsibilities

  • Design and keep evolving the backend systems that power the Cards product.
  • Lead work that spans multiple teams and keep it aligned with long-term engineering goals.
  • Take a backend service all the way from design through build, testing, deployment, and upkeep.
  • Guide other teams toward choices that keep systems scalable, secure, and fast.
  • Set internal standards for observability, testing, and API design.
  • Mentor engineers and work closely with product, design, and infrastructure teams.

What you need

  • Holds a bachelor's degree in computer science or a related field.
  • Eight or more years as a software engineer, including time spent in a technical leadership capacity.
  • Has designed and grown backend systems and APIs in a live production environment.
  • Strong grounding in data structures, algorithms, and distributed systems.
  • Skilled in at least one backend language such as Java, Kotlin, Go, or Python.
  • Has run containers on Kubernetes within a cloud environment such as AWS or GCP.

Good to have

  • Has led work across multiple teams and shaped technical direction beyond their own team.
  • Comfortable with monitoring tools such as Grafana, Prometheus, or Splunk.
  • Understands the security and compliance needs specific to financial services.
  • Enjoys helping other engineers grow.
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Checked 2026-10-19

AirwallexStaff Software Engineer, CardsStart a mock application