Senior Frontend Engineer, Expenses

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 1,800 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.

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.

About the team

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 Frontend Engineer, you will be responsible for designing and implementing user friendly web interfaces that enhance the usability and functionality of our procurement offerings. This role requires expertise in front‑end technologies, a strong focus on user experience, and the ability to collaborate with cross‑functional teams. Our team is breaking new engineering ground and we have the opportunity to define innovative solutions for a number of challenges, paving the way for other teams to follow in our footsteps.

This role can be based in San Francisco or Melbourne.

Responsibilities:

• Implement and maintain frontend features using React and Type Script, breaking down requirements into actionable tasks, estimating work, and participating in team planning and reviews.

• Contribute to the development of Micro Frontends following a domain‑based design approach, ensuring maintainability and modularity.

• Work with product managers and designers to clarify feature requirements, support iterative delivery, and ensure product quality in production.

• Use Apollo Graph

QL to integrate with backend services via a Backend‑for‑Frontend (BFF) layer, focusing on clean, scalable APIs.

• Collaborate with designers to implement and improve shared UI components and contribute to the team’s design system.

• Participate in team code reviews, help triage bugs, and contribute to improving the team’s engineering standards.

• Engage in ongoing learning via Frontend Guild discussions, tech spikes, and experimentation with new technologies.

• Partner backend engineers, and product teams to…