Role: Senior Data Scientist
Location: Cannon Street, Central London (3-Days a week)
Salary: £90,000 - £110,000
Our client, a global leader in payment services, is seeking a Senior Data Scientist to drive high-impact analytical and ML initiatives. You’ll work at the centre of their data strategy, shaping solutions that directly influence fraud, risk and customer experience. This is a hands-on role where your models will be deployed, scaled and used daily across a major financial ecosystem.
What you’ll work on
*Identifying high-value Data Science and Machine Learning opportunities across payments, fraud, risk and customer domains
*Scoping problems, designing experiments and building models end-to-end with engineering and product teams
*Leading technical workstreams and guiding junior scientists to ensure high-quality delivery
*Deploying models into production environments and monitoring performance to drive measurable business impact
*Presenting insights and recommendations to senior stakeholders in clear, actionable terms
What you bring
*Strong background in Data Science, Machine Learning or advanced analytics with proven end-to-end delivery
*Ability to shape ambiguous problems, define analytical approaches and own delivery through to impact
*Confident stakeholder engagement skills, including workshops, influencing decisions and simplifying complexity
*Hands-on experience with Python, cloud platforms, modern ML tooling and production-grade model deployment
*Experience working in fast-paced, data-rich environments such as payments, fintech or financial services
Why join
*Work in a global payments organisation where Data Science is a strategic, well-funded priority
*Build and deploy models that directly influence real-world financial outcomes at scale
*Join a modern, growing data function with strong technical ownership and long-term progression