Director, Data Science — Fraud & Payment Optimization

Checkout Ltd; Greater London; Hybrid; GBP 180,000 - 250,000; Full time

Job summary

Checkout.com is seeking a Data Science leader to unite Fraud and Acceptance data science under one strategy. You will guide real-time decisioning at payments scale, coach a distributed team, and drive measurable production impact through advanced ML systems.

You will work with Product and Engineering to align roadmaps, set standards, and deliver business value while maintaining a strong focus on model reliability and performance.

Qualifications

• Proven track record of leading data science teams delivering real-time or high-scale ML systems.
• Strong ability to translate scientific work into product and business outcomes.
• Experience coaching scientists across levels and driving organizational growth.

Responsibilities

• Set and align a unified Data Science strategy across Fraud and Acceptance.
• Own end-to-end model lifecycle from framing to production performance.
• Lead and grow distributed Data Science teams across regions.
• Collaborate with Product and Engineering on architecture for low-latency ML.
• Raise standards for experimentation, explainability and monitoring.
• Partner with leaders to translate complex science into business value.

Skills

Data Science leadership

Machine Learning

Production ML systems

Cross-functional collaboration

Team coaching

Job description

Checkout.com is seeking a Data Science leader to unite Fraud and Acceptance data science under one strategy. You will guide real-time decisioning at payments scale, coach a distributed team, and drive measurable production impact through advanced ML systems.

You will work with Product and Engineering to align roadmaps, set standards, and deliver business value while maintaining a strong focus on model reliability and performance.