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Airwallex

Senior Software Engineer, Issuing Platform

Airwallex
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7 months ago
Singapore, SingaporeSenior
H1B Sponsor

Responsibilities

  • Design, build, and operate backend services for card issuing, transaction processing, and settlement.
  • Contribute to scalable, resilient distributed system design and implementation.
  • Write high-quality, well-tested, maintainable, and operationally ready code.
  • Design and implement reliable, well-documented APIs for internal teams and external customers.
  • Participate in code reviews, design discussions, and incident retrospectives.
  • Collaborate with engineers, product managers, and stakeholders across regions.
  • Mentor peer engineers through code reviews, pairing, and technical guidance.
  • Improve reliability through monitoring, alerting, and on-call participation.
  • Identify and proactively address performance, scalability, and resiliency issues.

Requirements

  • Bachelor’s degree or above in computer science, software engineering, or a related major.
  • At least five 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 such as Kafka.
  • Experience designing and building RESTful APIs.
  • Cloud experience with GCP or AWS, including Docker and Kubernetes.
  • Familiarity with observability tools such as Splunk, Grafana, Prometheus, or similar.
  • Fintech, payments, or other high-reliability domain experience is preferred.
  • Experience with JVM-based frameworks such as Spring or Spring Boot is preferred.

Tech Stack

Apache KafkaAWSDockerGoGoogle Cloud PlatformGrafanaJavaKotlinKubernetesPrometheusPythonSplunkSpring Boot

Categories

Backend
Airwallex

About Airwallex

1,001-5,000 employees

Airwallex is a leading global payments and financial platform for modern businesses, offering trusted solutions to manage everything from business account, payments, treasury, and spend management to embedded finance. With our proprietary infrastructure, Airwallex takes the friction out of global payments and financial operations, empowering businesses of all sizes to unlock new opportunities and grow beyond borders. Proudly founded in Melbourne, Airwallex supports over 150,000 businesses globally and is trusted by brands such as Brex, Canva, Rippling, Navan, Qantas, SHEIN and many more. For more information, visit http://www.airwallex.com

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