Haystack
← Back to Jobs
Temporary/Casual
Technology
S-

Lead Data Scientist - Python - SC & NPPV3 Cleared

SR2 - Socially Responsible RecruitmentLondon🇬🇧United KingdomPosted 12 Oct 2026

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
Hybrid
Location
London, United Kingdom
SQLAWSPythonRedshift

Job Description

Lead Data Scientist - Python - SC & NPPV3 Cleared

We're looking for an experienced Lead Data Scientist to take ownership of data matching and entity resolution approaches within a complex public sector data transformation programme.

This is a hands-on leadership opportunity focused on developing reliable, explainable and scalable approaches to analysing and linking large datasets.

Key responsibilities:

  • Lead the development of entity resolution, record linkage and data matching methodologies.
  • Design deterministic, probabilistic and fuzzy matching approaches.
  • Analyse data quality, inconsistencies and matching confidence.
  • Develop and evaluate algorithms using Python, SQL and statistical techniques.
  • Define performance measures including precision, recall and false-positive rates.
  • Work closely with data engineers to transition solutions from proof of concept into production.
  • Provide technical leadership and collaborate with senior stakeholders.

Essential experience:

  • Active SC & NPPV3 clearance
  • Strong background as a Senior or Lead Data Scientist.
  • Proven experience in entity resolution, fuzzy matching, record linkage or deduplication.
  • Advanced Python, SQL and statistical analysis skills.
  • Experience processing large, complex and imperfect datasets.
  • Strong understanding of data quality, model evaluation and explainability.
  • Experience delivering production-ready data science solutions.

AWS, Redshift, Glue and government programme experience would be advantageous.

Similar jobs