Senior Technical Account Manager (Fintech)

Location: London, United Kingdom; 3 days in the office. The role includes travel within Europe as required.

Salary: £85,000–£120,000 base salary per year, plus potential equity and bonus.

Company

Airwallex provides an AI-native financial operating system and regulated infrastructure for global payments, treasury, issuing, and embedded finance.

What you will do

• Own the technical relationship for enterprise and high-growth customers integrating APIs, SDKs, webhooks, and system integrations.
• Advise customers on payment, treasury, issuing, and embedded finance products, integration patterns, and optimization opportunities.
• Diagnose complex technical and operational issues and coordinate resolutions with Commercial, Engineering, Product, Compliance, and Operations.
• Lead post-sale technical partnerships, business reviews, QBRs, escalations, and executive-ready communications.
• Partner with Account Executives and Account Managers on adoption, retention, upsell, and cross-sell opportunities.
• Use product usage data, commercial metrics, and client health indicators to prioritize initiatives and improve customer outcomes.

Requirements

• 5+ years in a technical customer-facing role within payments, fintech, SaaS, or financial services.
• Strong understanding of APIs, SDKs, webhooks, system integrations, and complex technical architectures.
• Hands-on experience designing, implementing, and supporting payment or similar financial product integrations.
• Experience advising enterprise customers, leading structured reviews, managing post-sale relationships, and handling high-stakes escalations.
• Commercial mindset with experience partnering with sales and account management teams on expansion opportunities.
• Fluent English required, with the ability to explain technical concepts to engineers and senior non-technical stakeholders.

Nice to have

• Knowledge of European payments, fintech, PSD2, SEPA, and major local payment methods.
• Proficiency in German, French, Spanish, Dutch, or another major European language.
• Experience with dashboards, logs, basic querying, and data-driven customer recommendations.
• Experience working with Product, Engineering, Compliance, and Operations teams or in a high-growth scale-up.

Culture & Benefits

• Collaborative, ambitious, and supportive environment centered on ownership and customer impact.
• Opportunity to work with enterprise customers and cross-functional teams across a global financial infrastructure business.
• Potential equity and bonus in addition to the base salary.
• Benefits vary depending on employment nature and work location.