Senior Software Engineer, Infrastructure AI

About Airwallex

Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 250,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale.

Proudly founded in Melbourne, we have a team of over 2,300 of the brightest and most innovative people in tech across 27 offices around the globe. Valued at US $11 billion and backed by world-leading investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is leading the charge in building the global payments and financial platform of the future.

If you’re ready to do the most ambitious work of your career, join us.

We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you’re motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor.

You're humble and collaborative; turn zero‑to‑one ideas into real products, and you “get stuff done” end‑to‑end. You use AI to work smarter and solve problems faster. Here, you’ll tackle complex, high‑visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let’s build what’s next.

About the Team

Airwallex’s Infrastructure & Productivity team is on a mission to turn everyday software engineers into superheroes. The team builds and maintains the internal platforms, tooling, and CI/CD infrastructure that power Airwallex’s global engineering organization, serving hundreds of engineers across multiple offices and time zones.

The team is now pioneering a bold new direction: an AI agent ecosystem where goal‑oriented agents continuously operate across every repository — automating infrastructure operations, incident response, database management, and Dev Ops workflows. Built on Quartermaster, our internal agent platform, these agents autonomously plan, reason, and execute multi‑step tasks against real infrastructure. You will be joining at the ground floor of this initiative, building the intelligent systems that fundamentally change how infrastructure work gets done at Airwallex.

What You’ll Do

As a Senior Software Engineer on the Infrastructure AI team, you will design, build, and operate goal‑oriented AI agents that automate SRE, Dev Ops, and DBA workflows across Airwallex’s global infrastructure. You won’t be doing operations work yourself — you’ll be building the AI systems that do it. Your agents will autonomously investigate incidents, provision infrastructure, manage databases, execute deployments, and handle the operational tasks that traditionally require human intervention.

You will work on top of Quartermaster, Airwallex’s internal agent platform, building domain‑specific agents that interact with real infrastructure tooling (Kubernetes, Terraform, cloud APIs, databases, monitoring systems). This role requires you to think deeply about agent architecture — planning and reasoning loops, tool selection and execution, safety guardrails, human‑in‑the‑loop escalation, and how to make autonomous systems reliable in production infrastructure environments.

This hybrid role is based in Seattle, WA.

Responsibilities

• Build goal‑oriented infrastructure AI agents: Design and implement autonomous agents on the Quartermaster platform that handle SRE, Dev Ops, and DBA workflows — including incident investigation and remediation, infrastructure provisioning, deployment orchestration, database operations, and capacity management.

• Design agent architectures for safety and reliability: Build robust agent loops with planning, reasoning, tool‑use, error recovery, and human‑in‑the‑loop escalation. Infrastructure agents touch…