Senior Data Scientist

Senior Data Scientist

Worldpay London, United Kingdom

Posted 27 days ago – Permanent – Competitive

Are you ready to write your next chapter?

Make your mark at one of the biggest names in payments. We're looking for a Senior Data Scientist to join our ever evolving Authorization Management Performance team and help us unleash the potential of every business.

As a Senior Data Scientist, you will lead efforts to forecast trends and automate processes using complex, unstructured data. You'll design predictive models and algorithms to drive payment optimisation and strategic decision‑making. Working with a diverse and cross‑border team, you’ll be responsible for developing, interpreting, and implementing concepts for uplifting authorisation approvals and controls.

• Primary Focus – Predictive & Prescriptive – building models to forecast future trends using large complex unstructured data.
• Build predictive and prescriptive models using machine learning and big data models.
• Implement algorithms to automate analysis process methods.
• Deliver automated insights and visual summaries for stakeholders.
• Explore open‑ended business challenges and design experiments.
• Translate data into new/enhanced capability and functionality requirements.
• Output should show Payment Optimisation insights with solution recommendations to key stakeholders and decision makers.

• Own the responsibility for identifying and resolving the biggest authorization issues: from identifying issues through dashboards and data interrogation, to owning the resolution (including enlisting support from other teams where needed) and tracking the impact delivered.
• Collaborate internally to submit issues for resolution, tracking success, and working to refine the operating model between teams for greatest success.
• Use analytics and insights to identify areas for improvement, bottlenecks and opportunities on authorization issue investigation.
• Establish robust impact tracking to demonstrate authorization enhancement programme achievements, which can be shared to senior leadership.
• Facilitate the exchange of feature requests between the authorization teams and tooling team to support the continuous development of authorisation monitoring tooling (Executive & Operational dashboards, Root Cause Analysis, Near‑time alerting, etc.).
• Support the development of a knowledge codification library for the broader Authorization team, and cross‑team learning and alignment calls in partnership with key internal stakeholders.

• Bachelor's degree in computer science or equivalent proficiency in programming languages, ML libraries, and big data platforms.
• Strong knowledge of the Payments industry & IT technologies.
• Desirable but not essential – Broad knowledge of Worldpay products and related services; in-depth knowledge of products and services for which team(s) provide support.
• Excellent verbal and written communication skills to technical and non‑technical audiences of various levels in the organization, e.g., executive, management, individual contributors.
• Experience in authorisation investigation and resolution.
• Excellent problem‑solving, and time management skills.
• Willingly shares knowledge and expertise to other resources.
• Ability to work independently and collaboratively.
• Deep understanding of the payments industry and authorisation pathways (e.g., gateways, platforms, acquirers, networks, issuers, etc.).
• Experience with Authorization investigation & resolution, strong analytical skills to understand investigation approaches of team & get involved on most complex matters.
• Strong leadership & communication skills, and strong project management skills.
• Understanding (but not detailed expertise) of requirements for engineering ticket submissions, converting business requirements to product stories, PI process, etc.
• Some flexibility of hours is required.

• Strong existing connections within the Worldpay business (e.g., Product, Commercial or Operational) & ability to drive new cross‑business collaboration.
• Knowledge and experience with differing…