Role overview

As a Senior Specialist Technical Account Manager at Checkout.com, you will serve as the primary technical point of contact for a select portfolio of the company’s largest and most strategic enterprise merchants. Working alongside the Account Management team, you will manage the technical relationship while ensuring customers achieve optimal payment performance and system health. Checkout.com powers digital payments for over one billion global shoppers across more than 10 billion transactions yearly, partnering with companies like eBay, Spotify, Klarna, Uber, and Sony.

Key responsibilities

Serve as the trusted technical point of contact for assigned merchants, building relationships with their technical and product teams and leading the technical aspects of quarterly business reviews.
Monitor payment acceptance rates, decline patterns, and authentication results across your portfolio to identify factors affecting merchant approvals and implement improvements.
Investigate and resolve root-cause issues related to decline spikes, integration errors, and configuration problems using log monitoring and data querying tools.
Lead the implementation of new products, payment methods, and technical migrations as merchants expand their use of Checkout.com’s platform.
Identify growth opportunities within merchants’ roadmaps and collaborate with Account Management to position new products and solutions through demonstrations, workshops, and technical training.
Collaborate with internal Product and Engineering teams to translate merchant requirements into actionable items that improve customer outcomes.
Work with issuers and card schemes to identify and resolve systemic technical issues affecting your portfolio.

Requirements

Minimum three years of experience in a customer-facing technical role, managing both internal and external stakeholders at senior levels.
Strong problem-solving abilities with demonstrated capacity to independently investigate complex technical issues and drive them to resolution.
Solid understanding of core technical concepts including APIs and the interaction between front-end and back-end systems, with ability to explain these concepts clearly to merchants.
Proven data literacy including experience with query tools and ability to analyse data, extract insights, and translate them into improvements.
Hands-on experience with data querying and logging tools such as Datadog and BigQuery.
Comfortable incorporating AI tools and agents into daily work to investigate issues, automate tasks, and increase impact.
Excellent communication skills capable of engaging both technical and non-technical stakeholders, with willingness to travel occasionally to client sites.

What makes this role worth considering

This position offers the opportunity to work with some of the world’s most ambitious businesses on technically complex and meaningful challenges from day one. You’ll operate within a hybrid working model offering three days per week in the London office, supporting both collaboration and flexibility. Checkout.com’s culture emphasizes real ownership, fewer blockers, and recognition for impact, with a global team across 20 offices on six continents dedicated to shaping the future of fintech.