Software Engineer, Quality Software Engineer, Quality (AI)

Location: Singapore

Company

Airwallex provides a unified payments and financial platform for global businesses, including business accounts, payments, spend management, treasury, and embedded finance.

What you will do

• Design, build, and maintain end-to-end and regression automation for onboarding, KYC/KYB, merchant risk, transaction scoring, and screening flows.
• Integrate automated test suites into CI/CD and establish release-quality gates, smoke tests, and monitoring-backed post-release verification.
• Create deterministic test data and isolated environments covering fraud, screening, and jurisdiction-specific scenarios.
• Introduce contract testing between the Risk Platform and upstream and downstream services.
• Own testing and release acceptance for major client-facing projects while partnering with engineering and product on acceptance criteria.
• 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, test data, and test environments.
• Strong understanding of deterministic data, isolated environments, reliable tests, and fast feedback.
• Experience using AI for test generation, coverage analysis, and failure triage, or testing ML models and LLM agents.
• Ability to work independently in an Agile team with strong written and verbal communication.

Nice to have

• Experience in risk, fraud, payments, compliance, or other regulated financial domains.
• Experience with jurisdiction-specific behavior, contract testing tools such as Pact, or test-data and environment tooling.
• Experience testing ML- or LLM-based systems, including evaluation harnesses and guardrails.
• Experience with performance and latency testing for critical-path systems.

Culture & Benefits

• Founder-like ownership, rapid learning, collaboration, and emphasis on high-impact work.
• Industry-leading salary and equity for every employee.
• Mental wellness support, including coaching and EAP sessions.
• Paid birthday leave, generous parental leave, and paid volunteer leave.
• Equal opportunity workplace with accommodation support available.