Data Scientist, Marketing

LEGO; Greater London; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A leading toy manufacturer seeks a Data Scientist for their Marketing Effectiveness team in London. The role involves delivering actionable insights through MMM models and collaborating with team members to ensure data-driven decision-making. Required skills include Python, R, and experience in marketing analytics. The position offers a hybrid work model and various employee benefits, fostering a creative and inclusive culture.

Benefits

Family Care Leave

Life and disability insurance

Wellbeing resources

Colleague discount

Bonus scheme

Hybrid workplace policy

Qualifications

• Experience in Marketing Effectiveness and Marketing Mix Modelling.
• Ability to quantify the impact of marketing channels on performance KPIs.
• Familiarity with agile frameworks and communicating complex ideas simply.

Responsibilities

• Deliver MMM models focusing on actionable insights.
• Collaborate with partners to ensure data-science work adds value.
• Support migration to Databricks and continuous improvement.

Skills

Python

R

PySpark

Pandas

SQL

Databricks

GitHub

AWS

Terraform

Power BI

Job description

Data Scientist, Marketing

Location: London • Full Time • Posted Today • Job Requisition ID: 0000030010

Bring your outstanding technical, collaboration and communication skills to the table and be part of taking our Data Science & AI team to the next level! We are looking for an enthusiastic Data Scientist to join our Marketing Effectiveness product team. The team is focused on building solutions to help Marketeers at the LEGO Group spend the marketing budget in the most effective way. This person will be working alongside other data scientists, data engineers and software engineers to build end‑to‑end solutions. Solutions developed in the team include automated data pipeline, a modelling platform to run econometrics models, optimisation tools. The team is also responsible for the delivery of MMM projects for some areas of the business.

Core Responsibilities

• Deliver MMM models for specific areas of the business, with a focus on impact and actionable insights (data preparation, modelling, post‑delivery support).
• Interpreting and delivering clear insights and recommendations to partners – mostly marketeers – using the most appropriate tools.
• Collaborating with partners and the product manager to ensure that data‑science work is delivering real value and impact.
• Collaborating with the other data scientists and data engineers in the team in an effective and constructive way.
• Support the team migrate our solutions from legacy platforms to Databricks.
• Support the team with the continuous improvement of the solutions developed within the team.
• Staying up to date with all the latest ground‑breaking technologies such as computer science fundamentals and programming.

Play your part in our team succeeding

• You are familiar with or willing to learn a diverse range of technologies:
  • Programming languages – Python, R
  • Data processing libraries – PySpark, Pandas, SQL, etc.
  • Data platforms – Databricks, RStudio
  • Engineering tools – GitHub, AWS, Terraform, DBT
  • Data visualisation – Power BI
• You have experience in Marketing Effectiveness and Marketing Mix Modelling.
• You have experience in quantifying the impact of paid and unpaid channels on a performance KPI.
• Ideally you have experience in some of the following areas: experimentation, Geo Lift, causal impact, propensity modelling.
• You are familiar working in a product‑led / agile framework.
• You can clearly communicate with other team members, data scientists, data engineers and product manager.
• You can communicate with partners and translate technical content to business audiences.
• You are eager to learn, both through your day‑to‑day job and through self‑driven initiatives.
• You are willing to travel occasionally (less than 20% overall). Fluent in English both written and spoken.

Here is what you can expect

• Family Care Leave – We offer enhanced paid leave options for those important times.
• Insurances – All colleagues are covered by life and disability insurance which provides protection and peace of mind.
• Wellbeing – We want our people to feel well and thrive. We offer resources and benefits to nurture physical and mental wellbeing along with opportunities to build community and inspire creativity.
• Colleague Discount – We know you’ll love to build, so from day 1 you will qualify for our generous colleague discount.
• Bonus – We do our best work to succeed together. When goals are reached and if eligible, you’ll be rewarded through our bonus scheme.
• Workplace – When you join the team you’ll be assigned a primary workplace location (one of our offices, stores or factories). Our hybrid work policy means an average of 3 days per week in the office. The hiring team will discuss the policy and role eligibility with you during the recruitment process.

Children are our role models. Their curiosity, creativity and imagination inspire everything we do. We strive to create a diverse, dynamic and inclusive culture of play at the LEGO Group, where everyone feels safe, valued and belongs.

The LEGO Group is highly committed to equal employment opportunity and equal pay and seeks to encourage applicants from all backgrounds (eg. sex, gender identity or expression, race / ethnicity, national origin, sexual orientation, disability, age and religion) to apply for roles in our team.

The LEGO Group is fully committed to Children’s Rights and Child Wellbeing across the globe. Candidates offered positions with high engagement with children are required to take part in Child Safeguarding Background Screening, as a condition of the offer.

Just imagine building your dream career. Then make it real. Join the LEGO team today.