Staff Backend Engineer, Procurement Suite

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 150,000 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 1,700 of the brightest and most innovative people in tech across more than 37 locations around the globe. Valued at US$5.6 billion and backed by world-leading investors including Sequoia, Lone Pine, Greenoaks, DST Global, Salesforce Ventures and Mastercard, 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.

About the team

The Engineering team at Airwallex is a diverse group of innovators, builders, and problem solvers, driven by a mission to empower businesses to operate anywhere, anytime. We thrive in a collaborative and fast-paced environment, where we're constantly pushing the boundaries of what's possible in the financial technology space. As a team, we value technical craftsmanship, continuous learning, and a strong sense of ownership, working together to build scalable, reliable, and secure products that empower businesses of all sizes to grow without borders.

The Procurement team leads the development of innovative features that simplify and optimise the procurement process for our customers. From vendor selection and supplier onboarding to contract management, purchase requisitions, and invoice processing, we build tools that ensure efficiency, transparency, and scalability across all procurement operations.

What you’ll do

As a Staff Backend Engineer, you will lead the design, architecture, implementation & delivery across our procurement product suite. You will collaborate with a talented team of engineers to conduct design and architectural reviews, ensuring the highest quality and scalability of our solutions.

This role is based in Melbourne.

Responsibilities:

• Lead by example in pursuing technical excellence through high-quality code and thoughtful system design.

• Deliver reliable, tested solutions with a strong focus on quality and maintainability.

• Apply a product-focused mindset to ensure technical decisions align with user and business needs.

• Design and build robust REST APIs, demonstrating deep knowledge of best practices.

• Collaborate effectively within multi-disciplinary squads distributed across regions.

• Tackle complex problems with a pragmatic approach, evaluating new technologies and making well-informed implementation choices with 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 degree or above in computer science or engineering related majors.

• 6+ years of experience in modern engineering practices focused on continuous integration and quality engineering.

• 2+ years of staff experience mentoring a community of engineers and leading the definition and execution of engineering strategy.

• Strong computer science fundamentals, solid understanding of OOP concepts.

• Experience domain driven design and event driven architectures.

• Extensive experience designing and building RESTful APIs. Familiar with modern API design principles and tools.

• Extensive experience with modern programming languages. Familiar with contemporary frameworks and tooling.

• Cloud experience with GCP (preferred) or AWS (EC2, RDS, ELB, CloudFront, etc.) with Docker and Kubernetes.

• Familiarity with observability tooling such as Splunk, Grafana, and Prometheus.

Preferred qualifications:

• Experience within the financial domain.

• Extensive experience with JVM based programming (Java or Kotlin). Familiar with Spring/Spring Boot.

Equal opportunity

Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don’t regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know.

Airwallex does not accept unsolicited resumes from search firms/recruiters.  Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s).  Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary.