Senior Data Analyst

5 days ago


Reading, United Kingdom Kantar Full time

Senior Data Analyst – Fraud Detection Kantar’s Profiles division is the world’s largest audience network, with access to 170 m+ consumers in over 100 markets. As a global leader in insights, we rely on high‑quality data to deliver trusted market research. Job Details Kantar is seeking a highly motivated and experienced Senior Data Analyst to enhance the quality and consistency of our 50+ survey panels across 40+ countries. Your mission is to assess panellist quality, detect fraudulent activity, and ensure data integrity. What You’ll Do Analyze panellist behaviour and survey data to assess quality and detect fraud. Identify patterns and trends across markets, time, and customer segments. Prototype new ideas and develop statistical models to improve decision‑making. Collaborate with developers to implement scalable, production‑ready analytics solutions. Improve monitoring and measurement of fraud detection systems. Contribute to the full data science lifecycle from hypothesis generation to production‑ready analytics. Communicate insights clearly to technical and non‑technical stakeholders. Work with cross‑functional teams to drive better data quality and commercial outcomes. What You’ll Bring 5+ years of experience in analytics, data mining, and reporting. Hands‑on experience in fraud detection, anomaly detection, or similar quality‑focused domains. Strong proficiency in Python, SQL, and statistical techniques. Experience with cloud platforms (AWS, Redshift, Azure) and git version control. Model automation and Kafka experience. Intermediate‑level statistics (Probability, hypothesis testing, frequentist and Bayesian statistics). Proven ability to present insights using PowerBI and Excel. Strong problem‑solving skills and a collaborative mindset. Experience in consumer marketplaces (programmatic media, travel, financial services) is a plus. Our Tech Stack AWS Redshift Postgres Grafana PowerBI Location United Kingdom – Right to work in the UK required. Why Join Us? Join a global leader in data and insights. 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. Equal Opportunity Kantar is an equal opportunity employer. We celebrate diversity and inclusion and support all employees regardless of background or identity. #J-18808-Ljbffr


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