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Senior Software Engineer, Issuing Platform

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Airwallex

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Location:
Singapore , Singapore

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

The issuing engineering team at Airwallex builds and operates core systems for card issuing, transaction processing, and settlement at global scale. The team owns mission-critical platforms that underpin Airwallex’s issuing products, with a strong focus on reliability, scalability, and compliance.

Job Responsibility:

  • System design and implementation
  • Design, build, and operate backend services that support card issuing, transaction processing, and settlement
  • Contribute to the design of scalable, resilient systems in a distributed environment
  • Engineering quality and delivery
  • Write high-quality, well-tested code with a strong focus on maintainability and operational readiness
  • Participate actively in code reviews, design discussions, and incident retrospectives
  • API and platform development
  • Design and implement RESTful APIs used by internal teams and external customers
  • Ensure APIs are reliable, well-documented, and easy to integrate with
  • Collaboration and technical leadership
  • Work closely with engineers, product managers, and stakeholders across regions to deliver outcomes
  • Mentor peer engineers through code reviews, pairing, and technical guidance
  • Operational excellence
  • Contribute to system reliability through monitoring, alerting, and on-call participation
  • Identify and address performance, scalability, and resiliency issues proactively

Requirements:

  • Bachelor degree or above in computer science or software engineering related majors
  • 5+ years of professional software engineering experience
  • Strong backend development experience using Java, Kotlin, Go, or Python
  • Solid computer science fundamentals and understanding of object-oriented design
  • Experience building and operating distributed systems in production
  • Hands-on experience with event-driven architectures, for example Kafka
  • Experience designing and building RESTful APIs
  • Cloud experience with GCP (preferred) or AWS, including Docker and Kubernetes
  • Familiarity with observability tooling such as Splunk, Grafana, Prometheus, or similar

Nice to have:

  • Experience in fintech, payments, or other high-reliability domains
  • Experience with JVM-based frameworks such as Spring or Spring Boot

Additional Information:

Job Posted:
February 21, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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