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Senior Technical Account Manager

Airwallex· Merchant Services
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Hybrid (UK - London)£85k - £120kFull-timePosted 8mo ago

About the role

Technical Account Manager for a portfolio of enterprise and high-growth customers across Europe, acting as the trusted technical advisor to guide API integrations, troubleshoot issues, and drive adoption, expansion, and retention within Airwallex’s platforms (APIs, SDKs, and system integrations). Hybrid role based in London with 3 days in office.

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 clear, executive-ready communication throughout.
  • Partner closely with Account Executives and Account Managers to identify and shape expansion opportunities (upsell and cross-sell), 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 (including regulations such as PSD2 and local market nuances) and translate that knowledge into practical guidance for customers.
  • Communicate complex technical concepts clearly and confidently to both technical and non-technical stakeholders, adapting your style across cultures and audiences.

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.
  • Demonstrated track record of diagnosing and solving complex technical and operational issues, working through cross-functional teams to drive resolution.
  • Experience acting as a trusted technical advisor to enterprise customers, including managing post-sale relationships, leading structured reviews (e.g. QBRs) and handling high-stakes escalations.
  • Evidence of a 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 and the ability to clearly explain technical concepts to both engineers and senior non-technical stakeholders.
  • Self-starter who thrives in a fast-paced, high-growth environment, able to manage multiple complex accounts and willing to travel within Europe as required.

Skills

Required:API design and integrationTechnical account managementStakeholder management
Nice to have:Payment/Fintech domain knowledge
Last updated Oct 7, 2026. Interested? Apply on the company site.
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About Airwallex

Trusted Global Payments & Financial Platform

Grow your business faster with Airwallex - global business accounts, high speed transfers, multi-currency cards, online payments, embedded finance, and more.

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