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Senior Data Scientist – Anti-Fraud & Quality Intelligence

Kantar
Reading
1 week ago
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Overview

Senior Data Scientist – Anti-Fraud & Quality Intelligence at Kantar. This role focuses on enhancing the quality and consistency of survey panels across multiple markets by detecting and preventing fraudulent activity and improving data quality.

What You’ll Do
  • Develop and deploy machine learning models to detect fraudulent panellists and improve panel quality.
  • Contribute to the full data science lifecycle: hypothesis generation, model development, deployment, and monitoring.
  • Analyse new data sources to identify opportunities for model enhancement and decision-making improvements.
  • Design and implement feedback loops to drive better data quality and commercial outcomes.
  • Apply supervised and unsupervised learning techniques to build scalable, production-ready solutions.
  • Collaborate with developers to ensure robust, high-availability of model predictions in a microservices architecture.
  • Create and maintain data pipelines and monitoring tools.
  • Communicate technical insights to non-technical stakeholders, including senior commercial leaders.
What You’ll Bring
  • 5+ years of experience in data science.
  • Experience with supervised learning, unsupervised anomaly detection, or similar quality assurance domains.
  • Strong proficiency with Python or a similar language.
  • Proven experience of automating model training pipelines using cloud services.
  • Working experience/knowledge of CI/CD pipelines, IaC and Git version control.
  • Excellent problem-solving skills and a collaborative mindset.
  • A strong sense of ownership over data science products.
  • Experience in industries with large consumer marketplaces (e.g. programmatic media, travel, financial services) is a plus.
  • Knowledge or experience with Kafka is a plus.
Our Tech Stack
  • AWS (Sagemaker, S3, Lambda), PostgreSQL, Grafana, Kafka, Redshift.
  • Note: The company is transitioning towards Azure for new development.
Why Join Us?

At Kantar, you’ll be part of a global leader in data, insights, and consulting. You’ll work on meaningful challenges, contribute to cutting-edge solutions, and help shape the future of market research. We offer a collaborative environment, opportunities for growth, and the chance to make a real impact.

Additional Information

Candidates must have the right to work in the UK.

We value diversity and encourage applicants from all backgrounds to apply.


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