Join to apply for the Lead Data Scientist role at Kantar.

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.

About The Job

As a Lead Data Scientist, you will play a pivotal role in driving excellence for business optimisation. You will harness advanced analytical techniques and machine learning expertise to extract valuable insights from complex datasets and embed sophisticated data science techniques inside critical applications such as pricing, yield, and more.

The selected candidate will guide a team of data scientists in collaborating with cross‑functional stakeholders, identifying business opportunities, recommending data‑driven strategies, and shaping key decisions. You will deliver impactful solutions, optimise processes, and enhance products, while promoting a culture of continuous learning and empowering the team to push the boundaries of data science.

Job Goals

• Collaborate with Data Engineering and other Data Science teams to launch and deliver key business optimisation projects within set timelines (examples include: Pricing, Yield, Forecasting Capacity, Media Optimisation etc).
• Engage with diverse stakeholders across departments to understand business priorities and align data science initiatives accordingly.
• Lead and mentor a team of data scientists to ensure successful completion of critical projects, meeting or exceeding expected outcomes.
• Champion the adoption of new technologies, tools, and methodologies to enhance data processes and promote continuous improvement.
• Establish and maintain robust visualisation and monitoring systems to track performance metrics and alert on key changes.
• Promote best practices and compliance with Data Privacy and Data Security standards throughout all team activities.
• Document all projects comprehensively, ensuring knowledge is shared and accessible for ongoing and future work.

Ideal Skills & Capabilities

• Advanced Analytics Mastery: Expertise in data mining, predictive modelling, forecasting, optimisation and machine learning, delivering actionable insights and business optimisation solutions.
• Technical Excellence: Deep proficiency in Python (possibly R for prototyping), SQL, and specialist tools such as Pandas, NumPy, Spark, and Dask; hands‑on experience with cloud platforms (Azure ML, AWS) and ML Ops for robust model deployment and automation. CI/CD pipeline experience is advantageous.
• Ethical and Secure Data Stewardship: Extensive knowledge of data privacy, security compliance, and best practices for responsible data handling throughout the project lifecycle.
• Leadership and Delivery: Demonstrated ability to lead and mentor high‑performing data science teams, managing complex projects from conception to impactful delivery in commercial environments.
• Innovative Approach: Enthusiasm for exploring the latest technologies and integrating emerging best practices, ensuring continuous improvement and growth for both the team and the organisation.

What We Offer

As a Lead Data Scientist, you will work with a diverse and dedicated team of data scientists, data engineers, and other professionals. You will be part of a team that shapes the future of panel market research and drives results for brands everywhere. Flexible working arrangements support your health and wellbeing.

Access to learning and development opportunities, mentoring and coaching, and career progression paths. A culture that values diversity, inclusion, and innovation, encouraging you to unleash your potential at Kantar.

Note: The majority of our roles are hybrid, working three days a week in our office. We’re not able to offer visa sponsorship or relocation support. Please ensure you have the right to work in the country before applying.

What part of Kantar might you be joining?

You’ll be joining our Data division, home to specialists in survey design, sampling and data science.

Privacy and Legal Statement

At Kantar, the diversity of our employees provides a richer environment for our employees and broader depth and breadth of thinking for our clients. Kantar is committed to inclusion and diversity; therefore, we welcome applications from all sections of society and do not discriminate based on age, race, religion, gender, pregnancy, sexual orientation, gender identity, disability, marital status, or any other legally protected characteristics.

PRIVACY DISCLOSURE: Please note that by applying to this opportunity you consent to the personal data you provide to us to be processed and retained by The Kantar Group Limited ("Kantar"). Your details will be kept on our Internal ATS (Applicant Tracking System) for as long as is necessary for the purposes of recruitment, which may include your details being shared with the hiring manager.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Market Research

Location

Reading, England, United Kingdom