Senior Data Scientist – Anti-Fraud & Quality Intelligence

Senior Data Scientist – Anti-Fraud & Quality Intelligence

Join to apply for theSenior Data Scientist – Anti-Fraud & Quality Intelligencerole atKantar

Senior Data Scientist – Anti-Fraud & Quality Intelligence

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Join to apply for theSenior Data Scientist – Anti-Fraud & Quality Intelligencerole atKantar

We’re the world’s leading data, insights, and consulting company; we shape the brands of tomorrow by better understanding people everywhere.

Kantar’s Profiles division is home to the world’s largest audience network.

With access to 170m+ people in over 100 global markets, we offer unrivalled global reach with local relevancy. Validated by industry leading anti-fraud technology, Kantar’s Profiles Audience Network delivers the most meaningful data with consistency, accuracy, and accountability – all at speed and scale.

Job Details

Kantar is seeking a highly skilled and motivated Senior Data Scientist to join our global team. This role is central to enhancing the quality and consistency of our 50+ survey panels across 40+ countries. These panels are composed of opted-in, fully consented consumers who provide valuable insights through online surveys. Your mission: to ensure the integrity of our data by detecting and preventing fraudulent activity, and to continuously improve the quality of our panellist pool.

In recent years, the market research industry has faced increasing threats from online fraud, particularly in incentivised markets. Fraudsters attempt to exploit survey systems for financial gain, and their tactics are constantly evolving. At Kantar, we are committed to staying ahead of these threats by investing in advanced data science solutions and fraud detection technologies.

This is a high-impact role with the opportunity to collaborate directly with Operational, Commercial, and Data Science leaders. You’ll be part of a talented team of analysts, scientists, engineers, and developers, working on mission-critical systems that support our global research operations.

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 systems that run 24x7x365.
• 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, including programming, data mining, and statistical analysis.
• Proven experience in fraud detection, anomaly detection, or similar quality assurance domains.
• Strong proficiency in Python and SQL; experience with R is a plus.
• Solid understanding of statistical techniques and machine learning algorithms.
• Experience with cloud platforms and services (AWS, EC2, S3, Redshift, Azure).
• Familiarity with tools like PowerBI and Excel for stakeholder reporting.
• Experience in industries with large consumer marketplaces (e.g. programmatic media, travel, financial services) is a plus.
• Excellent problem-solving skills and a collaborative mindset.
  
  

Our Tech Stack

• AWS (current environment)
• Redshift
• Postgres
• DBT
• Grafana
• PowerBI
  
  

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.

Country

United Kingdom

Why join Kantar?

We shape the brands of tomorrow by better understanding people everywhere. By understanding people, we can understand what drives their decisions, actions, and aspirations on a global scale. And by amplifying our in-depth expertise of human understanding alongside ground-breaking technology, we can help brands find concrete insights that will help them succeed in our fast-paced, ever shifting world.

And because we know people, we like to make sure our own people are being looked after as well. Equality of opportunity for everyone is our highest priority and we support our colleagues to work in a way that supports their health and wellbeing. While we encourage teams to spend part of their working week in the office, we understand no one size fits all; our approach is flexible to ensure everybody feels included, accepted, and that we can win together. We’re dedicated to creating an inclusive culture and value the diversity of our people, clients, suppliers and communities, and we encourage applications from all backgrounds and sections of society. Even if you feel like you’re not an exact match, we’d love to receive your application and talk to you about this job or others at Kantar.

Seniority level

• Seniority levelMid-Senior level

Employment type

• Employment typeFull-time

Job function

• Job functionEngineering and Information Technology
• IndustriesMarket Research

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