Senior Site Reliability Engineer, Spend

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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

As a Senior Site Reliability Engineer, you’ll work closely with product teams in Spend to deliver and maintain scalable, reliable cloud infrastructure for key product initiatives. You’ll lead infrastructure design and delivery for complex, high-risk projects, including launching new services, executing global data centre migrations, and modernising data pipelines.

• Improve reliability, performance, observability, and operational readiness across critical systems.

• Partner with development, DevOps, and security teams to build resilient services.

• Own infrastructure design and delivery for new services and roadmap initiatives.

• Drive incident response, automation, team-level SLOs, runbooks, and DevOps performance metrics.

• Deliver reliable infrastructure for complex, cross-functional projects with high availability and compliance requirements.