Enterprise Technical Account Manager – Payments & APIs

Academic Key; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Airwallex is seeking a Technical Account Manager to serve a portfolio of enterprise and high-growth customers across Europe. You’ll be the trusted technical advisor for API integrations, troubleshooting and driving adoption and retention. Based in London, the role follows a 3 days in-office policy.

You’ll combine deep technical knowledge of APIs and payments with strong stakeholder management, guiding cross-functional teams from engineers to commercial leaders to deliver value and scale globally.

Qualifications

• 5+ years in a technical customer-facing role (e.g. 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, and the ability to quickly grasp complex technical architectures.
• Proven, hands-on experience designing, implementing and supporting integrations for payment or similar financial product stacks.

Responsibilities

• Act as the technical owner for a portfolio of customers integrating and scaling on Airwallex’s platforms (APIs, SDKs and system integrations).
• 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 with the commercial owner, surfacing insights on performance, risks and opportunities.
• Own technical escalations for your accounts, providing calm, structured leadership through incidents and ensuring clear, executive-ready communication throughout.
• Partner closely with Account Executives and Account Managers to identify and shape expansion opportunities, contributing technical insight into account plans and commercial proposals.
• Use product usage data, commercial metrics and client health indicators to monitor account health, prioritise initiatives, and recommend strategies that improve outcomes for both customers and Airwallex.
• Stay current on the European payments and fintech landscape and translate that knowledge into practical guidance for customers.
• Communicate complex technical concepts clearly to both technical and non-technical stakeholders.

Skills

APIs

SDKs

Webhooks

System integrations

Enterprise customer management

Post-sale relationship management

Tools

API tooling

Job description

Airwallex is seeking a Technical Account Manager to serve a portfolio of enterprise and high-growth customers across Europe. You’ll be the trusted technical advisor for API integrations, troubleshooting and driving adoption and retention. Based in London, the role follows a 3 days in-office policy.

You’ll combine deep technical knowledge of APIs and payments with strong stakeholder management, guiding cross-functional teams from engineers to commercial leaders to deliver value and scale globally.