Senior Technical Account Manager – Payments (Fintech)

TL;DR

Senior Technical Account Manager – Payments (Fintech): Advising enterprise customers across Europe on payment, treasury, issuing, and embedded finance integrations with an accent on APIs, SDKs, system architecture, and customer adoption. Focus on diagnosing complex incidents, leading technical reviews, shaping expansion opportunities, and translating payments regulations and usage data into scalable customer solutions.

Location: London, UK, with a three-days-in-office policy. The role supports customers across Europe and may require travel within Europe.

Company

Airwallex is a fintech product company providing unified payments and financial infrastructure for global businesses.

What you will do

• Own the technical relationship for enterprise and high-growth customers integrating Airwallex APIs, SDKs, and system integrations.
• Advise customers on payment, treasury, issuing, and embedded finance products and best-practice integration patterns.
• Diagnose technical and operational issues, lead escalations, and coordinate resolutions with Engineering, Product, Compliance, Operations, and Commercial teams.
• Lead business and technical reviews, using product usage data and account health metrics to create action plans.
• Partner with Account Executives and Account Managers on adoption, retention, upsell, and cross-sell opportunities.
• Monitor the European payments and fintech landscape, including PSD2, SEPA, and local payment methods, and communicate guidance to technical and non-technical stakeholders.

Requirements

• 5+ years of experience 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, managing post-sale relationships, leading QBRs, and handling high-stakes escalations.
• Commercial mindset with experience partnering with sales and account management teams on expansion opportunities.
• Fluent English at C1 level or above, excellent communication skills, and willingness to travel within Europe as required.

Nice to have

• Knowledge of European payments, fintech, financial services, PSD2, SEPA, and major local payment methods.
• Proficiency in an additional major European language such as German, French, Spanish, or Dutch.
• Experience with dashboards, logs, basic querying, and data-driven product usage analysis.
• Experience influencing product roadmaps and working in a scale-up or high-growth environment.

Culture & Benefits

• Collaborative, ownership-driven environment focused on customer impact and continuous improvement.
• Opportunity to work with enterprise customers and cross-functional teams across a global fintech platform.
• Fast-paced, high-growth setting with complex, high-visibility problems.
• London-based hybrid work with three days per week in the office.