Airwallex

Senior Software Engineer, Infra (Cloud Security Platform)

SG - Singapore

Cloud

ABOUT AIRWALLEX

Airwallex is the AI-native financial operating system for a real-time, intelligent economy. More than 675,000 businesses, including McLaren Racing, Qantas, SHEIN, and TikTok, use us, directly or through our platform partners, to run their financial operations or build and monetize financial products of their own.

We started in Melbourne in 2015 to build the infrastructure global commerce runs on. We're the regulated backbone behind global payments: not by accident, but by design. A decade plus, 85+ licenses, and a financial infrastructure spanning North America, Europe, the Middle East, and Asia-Pacific.

We're co-headquartered in San Francisco and Singapore, with more than 2,700 people across 27 offices. We hire builders with founder-level energy, people who move fast with good judgment, dig in with real curiosity, and make calls from first principles rather than waiting to be told what to do. Read our operating principles https://www.airwallex.com/en-us/operating-principles to see it in full.

HOW YOU'LL MAKE IMPACT

We are the Cloud Platform Engineering team, responsible for the infrastructure systems that give the entire organization visibility and control over its cloud resources. We build two critical platforms:

  • Cloud Cost Management Platform — a billing and cost attribution system that tracks GCP spend across all departments, enables cross-department chargeback, and provides the data foundation for cost optimization across $30M+ in annual cloud spend.
  • Security & Access Platform — a zero-trust access control system covering Just-In-Time (
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