Airwallex

Software Engineer, Quality

SG - Singapore. Posted a month ago

The role

You will define quality standards and build automation, tooling, and infrastructure for risk-critical systems. You will work on onboarding, transaction scoring, screening, and risk decisioning flows.

What you will do

  • Own automation and regression coverage for risk decisioning flows
  • Build stable test data and isolated environments
  • Establish contract testing and integration coverage
  • Improve confidence in jurisdiction-specific behaviour
  • Define release-quality gates and post-release verification
  • Partner with Engineering and Product to set acceptance criteria

Required qualifications

  • Experience as an SDET or Software Engineer in Test
  • Strong programming skills
  • Track record of building test frameworks
  • Experience testing large-scale distributed backend systems
  • Experience with REST APIs, message-driven flows, and service-to-service integrations
  • Hands-on experience with API and end-to-end automation and CI/CD
  • Strong understanding of reliable testing practices
  • Experience using AI to accelerate testing
  • Interest in testing ML models and LLM agents
  • Comfort working in a self-directed Agile team
  • Excellent written and verbal communication

Nice to have

  • Experience with contract testing and managing test data and environments
  • Exposure to risk, fraud, payments, compliance, or another regulated financial domain
  • Experience testing systems with jurisdiction- or region-specific behaviour
  • Experience with contract testing tools such as Pact
  • Experience using AI or LLM tools in testing workflows
  • Experience testing ML- and LLM-based systems with evaluation harnesses and non-deterministic outputs
  • Experience with performance and latency testing for systems on the critical path

About the company

Airwallex is an AI-native financial operating system for a real-time, intelligent economy. It provides financial infrastructure for over 675,000 businesses globally.