Senior Software Engineer, Infrastructure (Infra Platform)

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.

The Airwallex Infra Platform team is a group of highly skilled, innovative, and collaborative professionals. The team brings together experts in Kubernetes, service mesh, cloud platforms, and core services, all working seamlessly to ensure the highest levels of performance, reliability, and security. We are looking for Software Engineers to join the team to create and maintain a cutting-edge, secure, and scalable infrastructure that supports our cross-border payment solutions.

We build and run the cloud systems that keep Airwallex fast, safe, and always available. Our mission? Make sure everything just works—no matter how big we grow.

• Work on cloud platforms (like AWS, GCP, Azure)

• Make our systems secure, reliable, and easy for our engineers to use

• Help us scale—globally!

• Automate everything (because manual work is boring)

• Work with awesome teammates in engineering, product, and security

• Love solving problems and making things run smoothly? Join us!

This role is based in Singapore.

Qualifications

• 6+ years working with large, distributed systems. Solid understanding of RESTful API design principles and patterns.

• Deep experience with public cloud (GCP, AWS, or Azure), Infrastructure as Code, and Kubernetes. Experience with Istio service mesh

• Ability to write services in Golang(preferred) or Python.

• Bachelor’s degree (or higher) in Computer Science or similar field.

• Strong security skills and hands-on experience with security best practices.

• Strong communication and collaboration skills.

For senior software engineers, we expect you to have around 7 years or at least 6 years engineering experience. You should be able to demonstrate more in - depth understanding in the complexity of projects and the design of code systems.

For SDE2 engineers, we expect you to have over 4 years or at least 3 years engineering experience. You should be able to solve problems related to coding and system design independently.

Ready to help us build and scale? Apply to join the Airwallex Infra Platform team!

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 @airwallex.com email address. Please apply only through careers.airwallex.com 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.

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.