Senior Software Engineer, AI Tooling

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, 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. Attributes We Value 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 r [... source excerpt omitted ...] hard problems. You’ll also be mentoring junior team members and continuing to grow our world-class engineering team. This role is based in San Francisco, or Melbourne, or Sydney Responsibilities: Lead the development of AI tools and applications, from inception to implementation. Support incident response efforts by building ad-hoc tools for threat hunting, remediation and scanners. Build, monitor, and maintain underlying infrastructure, including Kubernetes clusters, serverless workloads, and ETL pipelines. Sit with engineers to identify opportunities for automation and tooling development Partner with product engineering teams to drive security outcomes – such as automation f [... source excerpt omitted ...] evelopment of gateways and other services to decrease risk. Mentor and help grow other Software Engineers in the team. Who you are We’re looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory. Minimum qualifications: Bachelor’s degree in Computer Science, Information Security, or a related field. 8+ years of experience as a Software Engineer. Experience with production code bases Experience with at least one scripting language (e.g. Python) and one systems programming language (eg. Golang, C/C++) Experience with modern cloud infrastructure, including data pipelines, serverless workloads, and K