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Data Scientist

Posted on Oct. 21, 2025

København, Denmark
0 - 0 USD (yearly)

Full Time

We go beyond the obvious, using intelligence, passion and creativity to inspire new thinking and shape the world we live in.

To start a career that is out of the ordinary, please apply...

Job Details

Location: Copenhagen

About Kantar and LIFT ROI
Kantar is the world’s leading data, insights, and consulting company; we shape the brands of tomorrow by better understanding people everywhere. LIFT ROI is a Kantar product that delivers an always-on Platform as a Service, using state-of-the-art Bayesian statistics and machine learning to build Marketing Mix Models (MMM), including simulation and optimisation functionality, to help our clients understand the drivers of sales and plan better outcomes.

About the Role
We are looking for a skilled and motivated Data Scientist to join our Global AI team. In this role, you will help develop and enhance our machine learning engine that delivers Bayesian inference models for MMM and other AI-powered products. Your work will directly influence how global brands measure and optimise their marketing investments.

The global LIFT ROI AI team currently includes five members in Copenhagen, one in South Africa, and nine in India. We collaborate closely with colleagues in Product, Tech, Modeling, and Customer Success. Most of our work focuses on projects lasting several weeks to months that result in production-ready code and deployment, while we also support ad hoc needs such as code reviews, debugging, and urgent product requests.

As a Data Scientist on the AI team, you will:

Design and implement new framework features to improve model accuracy, flexibility, and scalability

Streamline the path from R&D to production without compromising quality

Contribute to a collaborative, high-quality engineering culture through reviews, issue resolution, and knowledge sharing

Partner with cross-functional teams through clear communication, training, and timely delivery of solutions

About you

You thrive in a global team with frequent online collaboration, alignment, and training

You enjoy working on projects that span several weeks or months, while setting aside time for occasional ad hoc tasks

You are a self-starter and clear communicator, comfortable presenting the team’s work to stakeholders

You actively contribute to discussions and feel confident sharing your opinions and concerns

You value craftsmanship and take pride in producing robust, maintainable code

Qualifications

A master’s degree in machine learning, data science, mathematics, physics, computer science, statistics, engineering, or a related field — or relevant experience outside academia

Proficiency in one or more programming languages for data science or systems development (e.g., R, Python); you will primarily work in R

Hands-on experience in data analysis and statistical or machine learning modelling

Ability to translate analytical results into clear, actionable insights for non-technical stakeholders

Preferred Skills

Knowledge of Bayesian and/or regression modeling, optimization, or statistical workflows

Understanding of coding best practices (e.g., clean code, testing, version control, documentation)

What We Offer

Competitive salary

Flexible work hours and up to two days per week working from home

A collaborative, quality-driven engineering culture

An opportunity to shape the technical foundation of an AI platform used by global brands

Clear growth paths and chances to take on more responsibility as you gain experience

A modern office with a view of Copenhagen’s iconic City Hall Square

Location

Copenhagen, RaadhuspladsenDenmark

Kantar Rewards Statement

At Kantar we have an integrated way of rewarding our people based around a simple, clear and consistent set of principles. Our approach helps to ensure we are market competitive and also to support a pay for performance culture, where your reward and career progression opportunities are linked to what you deliver.

We go beyond the obvious, using intelligence, passion and creativity to inspire new thinking and shape the world we live in. Apply for a career that’s out of the ordinary and join us.

We want to create an equality of opportunity in a fair and supportive working environment where people feel included, accepted and are allowed to flourish in a space where their mental health and well being is taken into consideration.

We want to create a more diverse community to expand our talent pool, be locally representative, drive diversity of thinking and better commercial outcomes.

Kantar is the world’s leading data, insights and consulting company. We understand more about how people think, feel, shop, share, vote and view than anyone else. Combining our expertise in human understanding with advanced technologies, Kantar’s 30,000 people help the world’s leading organisations succeed and grow.

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