Senior Data Scientist

Kantar Group Limited; London; On-site; GBP 60,000 - 90,000; Full time

Job summary

A leading global data, insights, and consulting firm seeks a Senior Data Scientist to shape strategic initiatives through data-driven decision making. This role entails designing advanced machine learning models and collaborating with cross-functional teams to enhance business strategies and outcomes.

Benefits

Inclusive workplace culture

Flexible work arrangements

Qualifications

• Proficiency in Python and SQL.
• Solid understanding of machine learning algorithms.
• Hands-on experience with cloud platforms like AWS or Azure.

Responsibilities

• Develop and optimise machine learning models.
• Analyse complex datasets and derive actionable insights.
• Collaborate with teams to integrate data solutions.

Skills

Python

SQL

Machine Learning

Data Analysis

Cloud Platforms

Job description

time left to apply End Date: August 31, 2025 (30+ days left to apply)

job requisition id R095023

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.

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

About the job

As a Senior Data Scientist, you will play a pivotal role in driving data-driven decision-making and shaping strategic initiatives. Your expertise will directly impact the organisation’s ability to understand client behaviour, refine predictive models, and deliver actionable insights that influence key business outcomes.

You will take on the responsibility of developing and optimising machine learning models, analysing complex datasets, and collaborating closely with cross-functional teams to integrate data solutions into broader business strategies! Embedded within a dynamic Data Science team, you will not only contribute technical expertise but also foster innovation and knowledge-sharing, making you an integral part of the company's success. This role offers the opportunity to make a tangible difference and leave a lasting impact on the organisation’s growth!

Job Goals

Design and implement advanced machine learning models to solve complex business problems.

Optimise the performance of existing models and address weaknesses through detailed analysis.

Collaborate with cross-functional teams to integrate analytics solutions into business operations.

Analyse large datasets to uncover patterns, trends, and insights that drive strategic decisions.

Assist API integrations to ensure seamless functionality and data flow between systems.

Communicate technical findings effectively to stakeholders through visualisations and clear reports.

Establish and monitor key performance indicators to measure the impact of data-driven initiatives.

Ideal Skills & Capabilities

Proficiency in a programming language such as Python, with experience in using Git for version control.

Strong SQL skills and familiarity with databases like Redshift, Postgres, or Microsoft SQL Server.

Solid understanding of machine learning algorithms, concepts, and applications, including regression, K-means, decision trees, neural networks, as well as exposure to generative AI and large language models (LLMs).

Hands-on experience with cloud platforms such as AWS or Azure.

We’re not able to offer visa sponsorship or help with relocation support for this role. Please make sure you’ve got the right to work in the country where this role is located before applying.

What part of Kantar might I be joining?

You’ll be joining our Profiles division, home to specialists in survey design, sampling and data science. With the world’s largest audience network (over 170 million people), we’re trusted by many of the worlds leading brands to provide amazing insights from real people.

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 if we combine the expertise of our people with the latest AI technology, we can really help brands discover some amazing insights.

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 works for them. 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.

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.

Country

United Kingdom

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

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

About the job

As a Senior Data Scientist, you will play a pivotal role in driving data-driven decision-making and shaping strategic initiatives. Your expertise will directly impact the organisation’s ability to understand client behaviour, refine predictive models, and deliver actionable insights that influence key business outcomes.

You will take on the responsibility of developing and optimising machine learning models, analysing complex datasets, and collaborating closely with cross-functional teams to integrate data solutions into broader business strategies! Embedded within a dynamic Data Science team, you will not only contribute technical expertise but also foster innovation and knowledge-sharing, making you an integral part of the company's success. This role offers the opportunity to make a tangible difference and leave a lasting impact on the organisation’s growth!

Job Goals

• Design and implement advanced machine learning models to solve complex business problems.

• Optimise the performance of existing models and address weaknesses through detailed analysis.

• Collaborate with cross-functional teams to integrate analytics solutions into business operations.

• Analyse large datasets to uncover patterns, trends, and insights that drive strategic decisions.

• Assist API integrations to ensure seamless functionality and data flow between systems.

• Communicate technical findings effectively to stakeholders through visualisations and clear reports.

• Establish and monitor key performance indicators to measure the impact of data-driven initiatives.

Ideal Skills & Capabilities

• Proficiency in a programming language such as Python, with experience in using Git for version control.

• Strong SQL skills and familiarity with databases like Redshift, Postgres, or Microsoft SQL Server.

• Solid understanding of machine learning algorithms, concepts, and applications, including regression, K-means, decision trees, neural networks, as well as exposure to generative AI and large language models (LLMs).

• Hands-on experience with cloud platforms such as AWS or Azure.

We’re not able to offer visa sponsorship or help with relocation support for this role. Please make sure you’ve got the right to work in the country where this role is located before applying.

What part of Kantar might I be joining?

You’ll be joining our Profiles division, home to specialists in survey design, sampling and data science. With the world’s largest audience network (over 170 million people), we’re trusted by many of the worlds leading brands to provide amazing insights from real people.

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 if we combine the expertise of our people with the latest AI technology, we can really help brands discover some amazing insights.

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 works for them. 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.

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.

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.

time left to apply End Date: August 31, 2025 (30+ days left to apply)

About Us

KANTAR

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 25000 people help the world’s leading organisations succeed and grow.

Privacy

For information about how Kantar processes your personal data in the job application process, please click here to read our candidate privacy notice.