Strategic Technical Account Lead — Payments & API Growth

0026 Checkout Technology Ltd; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Checkout.com, headquartered in London, seeks a Technical Strategic Account Manager to act as the technical heartbeat of our most strategic merchant relationships. You will be the payment performance consultant, incident commander, and trusted partner driving merchant success on our platform.

Your role combines technical leadership with strategic guidance to grow authorization rates, adoption of Checkout.com products, and strong business reviews with key customers.

Qualifications

• 4+ years of experience in a senior, client-facing technical role such as Technical Account Management, Solutions Consulting, or Sales Engineering, preferably within a SaaS or API-first company.
• A degree in Computer Science, Information Technology, or a related technical field, or equivalent experience.
• Hands-on expertise with RESTful APIs. Ability to read API documentation, troubleshoot integration issues, and guide developers through complex workflows.
• Exceptional communication skills, building trust and conveying complex technical subjects to both C-level executives and engineering teams.
• A natural problem-solver with a tenacious attitude; comfortable navigating ambiguity and leading clients through high-pressure technical incidents.

Responsibilities

• Strategic Growth & Performance: analyze merchant data to boost authorization rates and revenue.
• Technical Ownership & Delivery: lead API integrations and incident responses with cross-functional teams.
• Merchant Advocacy & Enablement: train merchants with workshops and demos to maximise platform use.

Skills

RESTful APIs

Executive communication

SaaS experience

API-first mindset

Education

Degree in CS/IT or related field

Job description

Checkout.com, headquartered in London, seeks a Technical Strategic Account Manager to act as the technical heartbeat of our most strategic merchant relationships. You will be the payment performance consultant, incident commander, and trusted partner driving merchant success on our platform.

Your role combines technical leadership with strategic guidance to grow authorization rates, adoption of Checkout.com products, and strong business reviews with key customers.