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Join to apply for the Software Engineer (Backend), Expenses role at Airwallex

Join to apply for the Software Engineer (Backend), Expenses role at Airwallex

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.

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.

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 Expenses team builds innovative solutions that simplify the entire expense management process for our customers. From real-time expense tracking and automated receipt capture to seamless approvals and integrations, we deliver tools that give businesses greater control and efficiency over global spending.

What You'll Do

As a Software Engineer (Backend), you'll take end-to-end ownership of backend services that power our expenses product. You'll be responsible for designing, building, and maintaining high-performance systems that are secure, scalable, and easy to evolve.

This role is based in San Francisco.

Responsibilities

• Contribute to the design and implementation of backend services, writing clean, maintainable, and well-tested code.
• Collaborate with your team in technical discussions, code reviews, and design sessions.
• Build and maintain robust REST APIs following best practices in API development.
• Support the reliability and scalability of our systems by writing thoughtful code and contributing to monitoring and observability.
• Participate in Agile processes and work closely with cross-functional teams.
  
  

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's degree in Computer Science, Software Engineering, or a related field.
• 3–5 years of professional software development experience.
• Strong foundation in computer science fundamentals and object-oriented programming (OOP).
• Hands-on experience developing RESTful APIs and working with modern backend technologies.
• Proficiency with at least one modern programming language (e.g., Java, Kotlin, Go, Python, etc.).
• Experience working with cloud platforms (e.g., AWS, GCP).
• Familiar with continuous integration practices and writing testable code.
  
  

Preferred Qualifications

• Experience with Spring Boot or another modern backend framework.
• Exposure to cloud infrastructure tools such as Kubernetes or similar.
• Some familiarity with observability tools (e.g., Grafana, Prometheus, or Splunk).
• Interest or experience in the financial domain.
  
  

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.

Compensation Range: $120K - $200K

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

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