Airwallex

Software Engineer, Test

Airwallex
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7 hours ago
Singapore, SingaporeSenior

Responsibilities

  • Design, build, and maintain end-to-end and regression automation for onboarding, transaction scoring, and screening risk flows.
  • Create stable test data, isolated environments, and realistic fraud, screening, and jurisdiction scenarios.
  • Introduce contract testing between the Risk Platform and upstream and downstream services.
  • Build jurisdiction-specific coverage for regional rules, thresholds, and regulatory requirements.
  • Define release-quality gates and post-release verification, including smoke tests and monitoring-backed checks.
  • Own end-to-end testing and release acceptance for major client-facing projects in partnership with engineering and product.
  • Champion testability and quality practices and mentor engineers on test design and automation.

Requirements

  • Experience as an SDET or Software Engineer in Test with strong programming skills and experience building test frameworks.
  • Experience testing large-scale distributed backend systems, REST APIs, message-driven flows, and service-to-service integrations.
  • Hands-on experience with API and end-to-end automation, CI/CD, contract testing, and test data and environment management.
  • Ability to build reliable tests using deterministic data, isolated environments, and fast feedback loops.
  • Experience or interest in using AI and LLMs for test generation, coverage analysis, failure triage, and testing ML models and LLM agents.
  • Preferred experience with risk, fraud, payments, compliance, regulated financial systems, or jurisdiction-specific behavior.
  • Preferred experience with contract testing tools such as Pact and with performance and latency testing.

Benefits

  • Industry-leading salaries and equity for every employee.
  • Mental wellness platform access, including coaching and EAP sessions.
  • Paid birthday day off, generous parental leave, and paid volunteer leave.

Categories

Airwallex

About Airwallex

1,001-5,000 employees

Airwallex builds a global payments and financial operations platform for businesses, offering payment acceptance, multi-currency accounts, FX and transfers, card issuing, treasury and spend management via APIs and web apps. It monetizes through transaction and foreign-exchange fees and related account services. Founded in Melbourne in 2015 and privately held, the company serves customers worldwide, with notable users including Brex, Canva and Qantas.

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