Senior Software Engineer, Cloud Platform

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 200000 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 2000 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 youre 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 youre 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.

Youre humble and collaborative; turn zerotoone ideas into real products and you get stuff done end-to-end. You use AI to work smarter and solve problems faster. Here youll tackle complex highvisibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you lets build whats next.

About the Team

We are the Cloud Platform Engineering team responsible for the infrastructure systems that give the entire organization visibility and control over its cloud resources. We build two critical platforms:

• Cloud Cost Management Platform a billing and cost attribution system that tracks GCP spend across all departments enables cross-department chargeback and provides the data foundation for cost optimization across $30M in annual cloud spend.

• Security & Access Platform a zero-trust access control system covering Just-In-Time (JIT) access Attribute-Based Access Control (ABAC) and self-service credential management for all production GCP environments and CI/CD pipelines.

Our work directly impacts engineering productivity cost governance and the security posture of the entire company.

What Youll Build

Cost & Billing Platform

• Design and build a multi-level billing and cost attribution pipeline that ingests raw GCP billing data and distributes costs across business units departments and feature teams

• Build the billing dashboard a self-serve cost reporting system used by all department leads across the organization

• Develop anomaly detection and alerting for abnormal cloud usage patterns

• Build cost optimization recommendation systems based on utilization signals across GCP resources

• Implement automated resource rightsizing and waste reduction tooling

Security & Access Platform

• Implement and roll out a Just-In-Time (JIT) access request system to replace standing IAM privileges

• Build a self-service credential management system

What Were Looking For

Must-Have

• 5 years of software engineering experience with at least 2 years building platform or infrastructure tooling

• Strong backend engineering skills Go Python or Java

• Hands-on experience with GCP or AWS

• Experience designing and building data pipelines or backend services that process and aggregate large datasets

• Solid understanding of cloud security principles: IAM RBAC/ABAC least-privilege access secrets management

• Comfortable owning a project end-to-end: design implementation rollout monitoring

Nice to Have

• Experience building cost management FinOps or billing systems

• Experience with access control systems (JIT PAM ABAC/RBAC frameworks)

• Familiarity with HashiCorp Vault or similar secrets management platforms

• GitLab CI/CD administration experience including runner security

• Experience with Kubernetes resource management autoscaling or rightsizing tooling (e.g. ScaleOps VPA)

• Prior work in a platform engineering or DevOps/SRE team

Applicant Safety Policy: Fraud and Third-Party Recruiters

To protect you from recruitment scams please be aware that Airwallex will not ask for bank details sensitive ID numbers (i.e. passport) or any form of payment during the application or interview process. All official communication will come from an @ email address. Please apply only through or our official LinkedIn page.

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.

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 dont 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.

Required Experience:

Senior IC