Senior Enterprise TAM - Payments Tech Partner

Checkout Ltd; Greater London; Hybrid; GBP 75,000 - 110,000; Full time

Job summary

Checkout.com in London is seeking a Technical Account Manager (TAM) to lead the technical relationship with our largest enterprise merchants. You’ll own technical health, unlock product capabilities, and collaborate with our Account Management team to ensure peak payment performance.

You will monitor performance, diagnose issues, and guide merchants through integrations and migrations. The role requires strong communication, problem solving, and occasional travel to client sites; a background in

Qualifications

• 3 years of experience in a customer-facing technical role with internal and external stakeholders up to senior level.
• Strong problem-solving skills and ability to drive issues to resolution.
• Comfortable with APIs and how front-end and back-end systems work together.
• Strong data literacy to analyse data and extract insights.
• Experience with data querying and logging tools such as Datadog and BigQuery.
• Comfortable using AI tools and agents to improve efficiency.
• Excellent communication skills with technical and non-technical stakeholders.
• Willingness to travel occasionally to client sites.
• Experience in payments or SaaS is a plus.

Responsibilities

• Customer Partnership: be the primary technical contact for merchants in your portfolio.
• Payment Performance: monitor acceptance, declines, and authentication to fix issues.
• Technical Consultancy: diagnose and resolve integration/configuration problems with cross-team collaboration.
• Product Adoption: lead rollout of new products and technical migrations.
• Account Growth: identify opportunities and showcase new features through demos and training.
• Cross-functional Collaboration: translate merchant requirements into clear actions with Product and Engineering.

Skills

Customer-facing

Problem solving

API concepts

Data literacy

AI tooling

Communication

Payments SaaS experience

Travel willingness

Tools

Datadog

BigQuery

Job description

Checkout.com in London is seeking a Technical Account Manager (TAM) to lead the technical relationship with our largest enterprise merchants. You’ll own technical health, unlock product capabilities, and collaborate with our Account Management team to ensure peak payment performance.

You will monitor performance, diagnose issues, and guide merchants through integrations and migrations. The role requires strong communication, problem solving, and occasional travel to client sites; a background in