Data Scientist

Data Scientist Duration: Until 31st March 2026 Day rate: Up to £675 Per Day Location: Stratford, London Your recruitment contact is Sartaj via Sartaj.Deol@hays.com. About the organisation Our client is an independent regulatory body in the UK responsible for ensuring the financial markets work well for the consumers and the economy, promoting market integrity and effective competition. Role Responsibilities: • Developing and optimising entity resolution models using Splink • Applying statistical and machine learning approaches to improve matching accuracy • Validating and documenting methodologies to ensure transparency and reproducibility • Collaborating with technical teams to integrate solutions into operational environments to enhance business-wide operations Skills: Minimum: • Proven experience in entity resolution, including probabilistic and deterministic methods • Prior experience in Python and SQL • Demonstratable experience in Splink for record linkage Essential: • Ability to work with incomplete or ambiguous data and design robust matching strategies. • Strong analytical and problem-solving skills. • Familiarity with graph technologies (e.g., Neptune, Neo4j, OpenCypher). • Experience with Agile delivery practices. • Exposure to cloud-based deployments and DevSecOps principles. Disability Confident: our hiring approach We’re proud to be a Disability Confident Employer, and therefore, people or individuals with disabilities and long-term conditions who best meet the minimum criteria for a role will go through to the next stage of the recruitment process. In cases of high application volumes, we may progress applicants whose experience most closely matches the role’s key requirements. What are the next steps? If you are interested in the role, click the apply button and we will get in touch with you to discuss next steps.