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 2,200 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 https://www.airwallex.com/us/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 Billing Team at Airwallex is at the forefront of transforming how businesses handle pricing, billing, and invoicing. Our mission is to create a seamless, scalable, and transparent billing platform that not only supports Airwallex's growth but also empowers our customers to easily manage their billing needs. Our team is dedicated to developing a next-generation billing platform designed to offer flexible pricing strategies and intuitive invoicing solutions. This platform aims to be a cornerstone for businesses, enabling them to bill and get paid effortlessly. By integrating cutting-edge technology, we ensure that our solutions are easy to adopt and integrate, providing a robust billing experience for all users. The engineering team spans across Shanghai and Singapore, offering the chance to collaborate with cross-functional teams around the world. Engage with various domains such as GTPN, PA, Scale, Issuing, and Spend to automate end-to-end pricing and billing processes. The work here is impactful, contributing to building a platform that empowers businesses globally, making a tangible difference in their operations. WHAT YOU’LL DO We envision a future where our billing platform not only supports Airwallex internally but also serves as an easy-to-integrate product for our customers. By joining our team, you play a crucial role in realizing this vision, working alongside talented professionals to deliver business-critical features and solutions. Together, we will build the next-gen billing solution that empowers businesses worldwide. This role is based in Singapore. RESPONSIBILITIES: 1. Lead a team of engineers, set goals and development targets for the engineers within managed team and support the team with feedback and development plans as they progress; 2. Work closely with Product Managers to analysis the product requirements and then produce the technique solutions & execution plan to deliver the software products; 3. Hands-on design, implement and deliver software functions; 4. Analyze and validate the technique design for the software functions from the team; 5. Review code from team members and ensure the standards; 6. Engage with the Product Manager into building a backlog that continuously contributes to the execution of the roadmap; 7. Contributing to the hiring, training and development of the engineers within the managed team. 8. Assure the collaboration between your team and other teams including local/global engineering teams, infrastructure teams, and product manager 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: 1. Have experience in developing large-scale system control interface; 2. Bachelor's degree in computer science and related majors; 3. Proficient in Java 8, familiar with Java multi-threading, high concurrency, IO / NIO, network communication, etc .; 4. Familiar with commonly used design patterns, with experience in design and development of large-scale distributed, high concurrency, high load, high availability systems; 5. Master various common server technologies, which can optimize service response and data query, ensure various service quality, and solve the problems of high concurrency and high availability; 6. Familiar with Spring / Spring Boot; 7. Familiar with HTTP, TCP / IP protocol and REST specifications; 8. Master Gradle / Maven and other build tools; 9. Familiar with the use of Docker cluster; 10. Familiar with JSON & XML. PREFERRED QUALIFICATIONS: 1. International clearing and settlement / foreign exchange transactions; 2. Cassandra / Redis / NoSQL / Hadoop; 3. Kotlin / Scala / Python / Golang / R; 4. Docker Swarm / Kubernetes; 5. JavaScript / Angular / React / CSS3; 6. Aliyun Cloud / AWS. 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 @airwallex.com http://airwallex.com email addr