Software Engineer II, Corporate IT

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 200,000 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 2,000 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$8 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 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

Corporate IT drives many functions within Airwallex, including IT Support, IT Engineering, Corporate Networks, and Business Engineering at Airwallex. IT Engineering is the core team that drives our technology experiences from collaboration and automation, AI to hardware, applications, identity and access management. We design, build and run the systems and services our Airwallex team uses to build our product, serve our customers and run our business. We partner with every team in the business and solve some of the most difficult problems for our business, all at lightning speed.

What You’ll Do

As a Software Engineer II, Corporate IT, you will be part of a team working on new product features, and solving difficult problems for our business across our internal IT systems and finance systems with the goal of dramatically improving operational efficiency. You’ll work across our product and our internal teams to build features in our product, focusing on our procurement and ERP functions. This will include integrations with ERP systems, our Airwallex product, and integrations to and from the Airwallex Platform. You’ll also work on new AI projects within the IT engineering incubator, where we’re building systems, agents and platforms for our business and employees to build their AI projects and services on – with a laser focus on solving real problems and demonstrating success. This will appeal to you if you’re excited to work on many things across multiple areas, with a lot of opportunity to build from zero.

This role can be based in Singapore, Sydney or Melbourne.

Who You Are

Minimum Qualifications

• 3+ years experience in modern engineering practices focused on continuous integration/delivery and quality engineering
• A commitment to producing high quality and well tested solutions
• Strong computer science fundamentals/JVM based programming. While we do not mind what language you have most recently been using, we are using Kotlin
• Systems design experience in complex integration environments
• Experience in API design best practices
• Familiar with HTTP, TCP / IP protocol and REST specifications
• Mastery of Gradle / Maven or other build tools
• Experience with AI tools and services (Copilot, Claude Code, Cursor, etc.)
• Familiar with the use of common container environments (Docker, Rancher, etc.) / Kubernetes
• Strong understanding of cloud infrastructure and development practices (i.e. Github, Gitlab, etc.)

Preferred Qualifications

• Experience in Kotlin / Scala;
• Asynchronous ‘reactive’ programming (RxJava, Akka, Spring Reactor, Vert.x);
• Kafka event streams;
• GCP, Alicloud or AWS (EC2, RDS, ELB, CloudFront, etc) and Kubernetes exposure;
• Operational tooling such as Splunk, New Relic, StatsD, Elk, Datadog, Prometheus;
• Experience with procurement systems and development, either features or integrations (i.e. Oracle Fusion, Oracle EBS, SAP ERP, etc.) ;
• Experience with low-code platform or no-code platform;
• Finance or accounting knowledge would be a plus

Key skills/competency

• JVM-based Programming
• Kotlin / Scala
• Systems Design
• API Design
• Continuous Integration/Delivery
• Kubernetes / Docker
• Cloud Infrastructure (GCP, AWS)
• AI Tools & Services
• ERP & Procurement Systems
• Operational Efficiency