Senior Software Engineer, Issuing 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 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 1,800 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$6.2 billion and backed by world-leading investors including Visa, Airtree, Blackbird, Sequoia, DST Global, Greenoaks, Salesforce Ventures, Lone Pine, and Square Peg, 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.

Our Issuing engineering team take ownership of the technical construction of key Airwallex systems. These systems span several products including B2B wallets, payment acceptance, credit card issuing, treasury management, FX and this list continues to expand. Through our platform team you will be responsible for supporting key systems to both our front end web/mobile application team and support the integration of our platform solution, direct to customer, via an API.

As a staff software engineer, you will lead building the most technical elements of our payments network.  While you do not have direct reports, you will be expected to demonstrate leadership through the quality of your engineering work. You will ensure that the way we build our solutions is of exceptional technical quality. 

This role is based in Singapore.

• You are a leader – striving for technical excellence through your coding and system design

• You are committed – you strive to produce high quality and tested solutions in everything you do

• You know API’s – from designing to building REST APIs

• You are team player– fostering effective collaboration in multi-disciplinary squads across regions

• You are a thought leader - Attracting other senior hires to the company through your knowledge sharing

• You are a passionate problem solver  – weighing up pros and cons of new tech solutions before implementing them with your team

We're looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory.

• Bachelor degree or above in computer science or engineering related majors.

• 5+ years experience in modern engineering practices focused on continuous integration/delivery and quality engineering.

• Strong computer science fundamentals. While we do not mind what language you have most recently been using we are using Java or Kotlin, Spring / Spring Boot.

• Evidence of working on high volume distributed systems.

• Hands on experience with event driven architectures.

• Strong cloud experience GCP (preferred) or AWS (EC2, RDS, ELB, CloudFront etc) with docker and Kubernetes.

• Observability tooling such as Splunk, NewRelic, Prometheus, Grafana.

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.