Senior Manager, Technical Strategic Account Management Commercial London

Checkout.com is where the world checks out. Our global network powers billions of transactions every year, making money move without making a fuss. We spent years perfecting a service most people will never notice. Because when digital payments just work, businesses grow, customers stay, and no one stops to think about why.

With 19 offices spanning six continents, we feel at home everywhere – but London is our HQ. Wherever our people work their magic, they're fast-moving, performance-obsessed, and driven by being better every day. Ideal. Because a role here isn’t just another job; it’s a career-defining opportunity to build the future of fintech.

The Role

As a Technical Strategic Account Manager (TAM) at Checkout.com, you are the technical heartbeat of our most strategic merchant relationships. You’re more than a problem-solver; you are a payment performance consultant, an incident commander, and a trusted partner who ensures our largest merchants thrive on our platform. Your technical expertise and strategic guidance will directly impact their success and drive the growth of our business.

What You’ll Be Doing

• Strategic Growth & Performance
  • Become a true expert on your merchants' business, diving deep into their payment data to uncover actionable insights and opportunities.
  • Act as a payment performance consultant, identifying and driving initiatives that boost authorization rates, increase revenue, and lead to the adoption of new Checkout.com products.
  • Serve as a strategic advisor during business reviews, translating technical performance into a compelling commercial story for your merchants.
• Technical Ownership & Delivery
  • Serve as the primary technical authority for your merchants, mastering their API integrations and infrastructure.
  • Lead the response to critical incidents with a calm, decisive approach, coordinating internal teams to ensure swift resolution and clear communication.
  • Project-manage key technical initiatives, from complex migrations to new product launches, ensuring seamless, on-time delivery.
• Merchant Advocacy & Enablement
  • Act as the voice of the merchant internally, translating their needs and feedback into clear insights that help shape our product roadmap.
  • Empower your merchants by delivering expert training, workshops, and demos to ensure they are leveraging the full power of our platform.

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. You can confidently read API documentation, troubleshoot integration issues, and guide developers through complex workflows.
• Exceptional communication skills, with the ability to build trust and convey complex technical subjects to both C-level executives and engineering teams.
• A natural problem-solver with a tenacious attitude; you’re comfortable navigating ambiguity and leading clients through high-pressure technical incidents.

What makes you stand out:

• Solid understanding of the end-to-end payment lifecycle, from authorization to settlement.
• Deep knowledge of core payment concepts like SCA, Tokenization, MIT/CIT, AFT/OCT, and the technical drivers of authorization rate optimization.
• Direct experience with payments ecosystem, including knowledge of key local payment methods and acquiring capabilities.
• Fluency in other languages is an advantage.

Bring all of you to work

We create the conditions for high performers to thrive – through real ownership, fewer blockers, and work that makes a difference from day one. Here, you’ll move fast, take on meaningful challenges, and be recognized for the impact you deliver. It’s a place where ambition gets met with opportunity – and where your growth is in your hands.

We work as one team, and we back each other to succeed. So whatever your background or identity, if you’re ready to grow and make a difference, you’ll be right at home here.

It’s important we set you up for success and make our process as accessible as possible. So let us know in your application, or tell your recruiter directly, if you need anything to make your experience or working environment more comfortable.

Life at Checkout.com

We understand that work is just one part of your life. Our hybrid working model offers flexibility, with three days per week in the office to support collaboration and connection.