Senior Technical Account Manager

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 Enterprise Business team partners with some of the most sophisticated and high-potential businesses in the world, helping them leverage Airwallex’s products to scale globally. We work closely with product, engineering, marketing and operations teams to solve complex problems for our customers and deliver long-term value. You’ll join a collaborative, ambitious and supportive team that thrives on ownership, customer impact and continuous improvement. What you'll do As a Technical Account Manager, you’ll be the trusted technical advisor for a portfolio of enterprise and high‑growth customers across Europe. You’ll sit at the intersection of product, engineering and commercial teams: guiding complex API integrations, troubleshooting issues, and using data to drive adoption, expansion and long‑term retention. You’ll combine deep technical understanding of APIs and payment flows with strong stakeholder management skills – from hands‑on engineers through to senior commercial leaders. This role is based in London, with a 3 days in office policy. Responsibilities: - Act as the technical owner for a portfolio of customers integrating and scaling on Airwallex’s platforms (APIs, SDKs and system integrations), with a solid understanding of complex technical architectures. - Build deep, hands‑on expertise in Airwallex’s payment, treasury, issuing and embedded finance products, advising customers on best‑practice integration patterns and optimisation opportunities. - Diagnose and resolve complex technical and operational challenges across the stack, coordinating with Commercial, Engineering, Product and Compliance teams to drive timely, high‑quality outcomes. - Serve as a strategic technical partner for enterprise clients: understand their roadmap and priorities, align Airwallex solutions to their goals, and proactively manage the post‑sale relationship to drive adoption, growth and retention. - Plan and lead regular business and technical reviews (e.g. QBRs) with the commercial owner, surfacing insights on performance, risks and opportunities – and turning them into clear action plans. - Own technical escalations for your accounts, providing calm, structured leadership through incidents and ensuring clea