SlipstreamJobs tracks this role from the company's public career site. Apply directly on the employer's site.
Airwallex is a unified payments and financial platform serving over 250,000 businesses globally, including Brex, Navan, Qantas, and SHEIN. The company offers integrated solutions for business accounts, payments, spend management, treasury, and embedded finance at scale. Valued at $11 billion and backed by leading investors including Sequoia, Visa, and Mastercard, Airwallex operates across 27 offices with over 2,300 employees.
The Enterprise Business team partners with sophisticated, high-potential businesses to help them leverage Airwallex's products for global scaling. As a Senior Technical Account Manager, you will 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.
Key responsibilities include:
- Acting as the technical owner for a customer portfolio integrating and scaling on Airwallex's platforms (APIs, SDKs, system integrations), with deep understanding of complex technical architectures
- Building hands-on expertise in payment, treasury, issuing, and embedded finance products, advising customers on best-practice integration patterns and optimization opportunities
- Diagnosing and resolving complex technical and operational challenges, coordinating across Commercial, Engineering, Product, and Compliance teams
- Serving as a strategic technical partner for enterprise clients, understanding their roadmaps and aligning Airwallex solutions to their goals
- Planning and leading regular business and technical reviews (QBRs) with commercial owners, surfacing insights on performance, risks, and opportunities
- Owning technical escalations, providing calm leadership through incidents with executive-ready communication
- Partnering with Account Executives and Account Managers to identify expansion opportunities (upsell and cross-sell)
- Using product usage data, commercial metrics, and client health indicators to monitor account health and recommend improvement strategies
- Staying current on the European payments and fintech landscape, including regulations like PSD2, translating knowledge into practical customer guidance
- Communicating complex technical concepts clearly to both technical and non-technical stakeholders across cultures
The role is based in London with a 3-day in-office policy.
REQUIREMENTS:
Minimum Qualifications:
- 5+ years in a technical customer-facing role (Technical Account Manager, Solutions Consultant, Technical CSM, Implementation Manager) within payments, fintech, SaaS, or financial services
- Strong technical foundation with solid understanding of APIs, SDKs, webhooks, and system integrations; ability to quickly grasp complex technical architectures
- Proven, hands-on experience designing, implementing, and supporting integrations for payment or similar financial product stacks
- Demonstrated track record of diagnosing and solving complex technical and operational issues through cross-functional teams
- Experience acting as a trusted technical advisor to enterprise customers, including managing post-sale relationships, leading structured reviews (QBRs), and handling high-stakes escalations
- Evidence of commercial mindset—comfortable partnering with sales and account management teams to identify and shape upsell and cross-sell opportunities
- Fluency in English with excellent written and verbal communication skills; ability to explain technical concepts to engineers and senior non-technical stakeholders
- Self-starter who thrives in fast-paced, high-growth environments; able to manage multiple complex accounts and willing to travel within Europe as required
Preferred Qualifications:
- Deep domain knowledge of European payments, fintech, or financial services landscape, including familiarity with PSD2, SEPA, and major local payment methods
- Proficiency in at least one additional major European language (German, French, Spanish, or Dutch) to support client engagement across the region
- Experience using data and analytics (dashboards, logs, basic querying) to monitor product usage, understand client behavior, and inform recommendations
- Background working closely with or within Product, Engineering, Compliance, and Operations teams, with track record of influencing roadmaps based on customer needs
- Prior experience in a scale-up or similar high-growth environment with comfort navigating ambiguity and contributing to building new processes and best practices
