Senior Software Engineer, Backend

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.

The Opportunity: Be Part of Our IAM & Account Infra Team
Become an integral part of our Identity and Access Management (IAM) and Account team, where you will play a critical role in advancing our identity solutions and fortifying our account infrastructure. We are on the lookout for passionate engineers driven to work on cutting-edge projects that enhance the availability, scalability, and security of our platform. Engage in global collaboration with product managers, designers, and fellow engineers to deliver exceptional IAM solutions that safeguard businesses and optimize our account infrastructure for Airwallex's exponential growth.

What You'll Do

• Develop and Evolve: Working with best talents and build IAM products with revolutionary technologies to keep businesses secure.
• Measure and Optimize: Leverage data to drive decisions. Your keen data sense will help you measure the success of our products and identify opportunities for optimization and growth.
• Engineer Excellence: Champion engineering excellence by establishing and maintaining high standards for code quality, performance, and security. Design and implement scalable infrastructure solutions that support and accelerate Airwallex's exponential growth.

Who You Are

• Experienced and Technically Proficient: You bring a wealth of experience in software development, ideally with a strong focus in HA / security / identity management. Your technical expertise enables you to develop robust and secure systems.
• Strategic and Forward-Thinking: You optimize for long-term value, making decisions that positively impact the business and technology landscape over time. Your strategic mindset helps anticipate future needs and contributes to sustainable growth.
• Customer-Focused and Empathetic: Your understanding of customer security needs guides your development process. You create intuitive IAM solutions that enhance our platform's usability while maintaining top-notch security.
• Data-Driven and Analytical: You leverage data to inform and refine IAM strategies, ensuring our systems are both effective and efficient.

Why Join Us

• Engineering Culture: Immerse yourself in a supportive and dynamic engineering culture that values innovation, collaboration, and excellence. You'll have the opportunity to contribute to an environment that encourages continuous learning, creativity, and the sharing of ideas.
• Grow With Us: At Airwallex, we're committed to your professional development. You'll have opportunities to learn, grow, and shape your career path in a fast-paced, innovative environment.
• Collaborate With the Best: Work with a team of talented and passionate individuals who are driven by the desire to create something extraordinary.

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 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.

Compensation Range: SGD 160K - SGD 246K