Senior Frontend Engineer, Expenses

About Airwallex Airwallex is the AI-native financial operating system for a real-time, intelligent economy. More than 676,000 businesses, including McLaren Racing, Qantas, SHEIN, and TikTok, use us, directly or through our platform partners, to run their financial operations or build and monetize financial products of their own. We started in Melbourne in 2015 to build the infrastructure global commerce runs on. We're the regulated backbone behind global payments: not by accident, but by design. A decade plus, 85+ licenses, and a financial infrastructure spanning North America, Europe, the Middle East, and Asia-Pacific. We're co-headquartered in San Francisco and Singapore, with more than 2,300 people across 27 offices. We hire builders with founder-level energy, people who move fast with good judgment, dig in with real curiosity, and make calls from first principles rather than waiting to be told what to do. Read our operating principles to see it in full. 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 hybrid role is based in San Francisco. Responsibilities: Implement and maintain frontend features using React and TypeScript, 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 GraphQL 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 deliver a smooth, high-quality user experience. 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: 6+ years of professional frontend software development experience. Bachelor’s degree in Computer Science, Engineering, or a related technical field. Solid understanding of JavaScript/TypeScript, React, HTML/CSS, and modern web development best practices. Familiarity with API integration patterns and frontend performance optimisation