Senior Data Scientist, MMM

Clearly Jobs Ltd.; Sheffield; Hybrid; GBP 70,000 - 90,000; Full time

Benefits offered by this job

Fully remote UK

38 days annual leave

Job summary

Clearly Jobs Ltd. is hiring a Senior Data Scientist to own the organisation’s marketing measurement and MMM framework. You will shape how acquisition budgets are allocated, design experiments, and deliver insights to optimize spend across channels.

The role requires strong stats, SQL, Python, and experience with modern data platforms, with fully remote working within the UK and a focus on growth and data-driven decision making.

Qualifications

• Strong commercial experience in Marketing Mix Modelling or marketing measurement.
• Experience with incrementality testing and geo experiments.
• Excellent statistical knowledge including causal inference and experimental design.
• Advanced SQL and Python for analysis and modelling.
• Experience with Snowflake, dbt, and cloud analytics platforms.
• Understanding of digital marketing, attribution methodologies, and privacy-related measurement challenges.
• Ability to communicate complex findings to diverse stakeholders.
• LTV modelling experience is a plus.
• Comfort using AI tools in analytics workflows.

Responsibilities

• Own Marketing Mix Modelling framework to evaluate channel performance and costs.
• Design and measure incrementality experiments and geo-based tests.
• Improve attribution and signal quality under evolving privacy rules.
• Build and maintain Customer Lifetime Value models to guide bidding and forecasting.
• Translate complex statistics into actionable recommendations for marketing teams.
• Collaborate with performance marketing to optimise budget allocation.
• Apply AI tools to accelerate analysis and insight generation.
• Contribute to experimentation standards across the data function.

Skills

Marketing Mix Modelling

Incrementality testing

Geo experiments

Marketing measurement

Causal inference

Hypothesis testing

Regression analysis

Experimental design

SQL

Python

Snowflake

dbt

Cloud analytics

Digital marketing

Attribution methods

LTV modelling

AI tools

Communication

Tools

Snowflake

dbt

Cloud analytics

Job description

Senior Data Scientist, MMM

£70,000 - £90,000

Fully Remote

This is an opportunity to take ownership of marketing measurement within a growing, data-driven consumer marketplace. With significant investment planned across acquisition channels, you'll play a pivotal role in understanding what genuinely drives growth and where marketing spend can deliver the greatest commercial impact.

THE COMPANY

They are a fast-growing online marketplace operating within the travel and experiences sector, connecting customers with unique experiences through a network of independent partners. The business has built a strong brand, operates with a purpose-led mindset, and combines commercial growth with a commitment to supporting local communities and sustainable business practices. Their data team is lean, highly collaborative, and empowers individuals to own meaningful work. You will have direct exposure to senior stakeholders and the opportunity to influence business decisions through data science, experimentation, and modelling.

THE ROLE

As a Senior Data Scientist, you will own the organisation's marketing measurement capability and help shape how acquisition budgets are allocated.

Specifically, you can expect to be involved in the following:

• Owning and developing the Marketing Mix Modelling (MMM) framework to evaluate channel performance, saturation points, and marginal acquisition costs
• Designing and measuring incrementality experiments including conversion lift studies, holdout testing, and geo-based experiments
• Improving marketing attribution and conversion signal quality in an evolving privacy landscape
• Building and owning Customer Lifetime Value (LTV) models to support bidding strategies, forecasting, and long-term growth decisions
• Translating complex statistical outputs into commercially actionable recommendations for marketing stakeholders
• Working closely with performance marketing teams to optimise budget allocation and acquisition efficiency
• Using AI-powered tools and workflows to accelerate analysis, experimentation, and insight generation
• Contributing to experimentation standards and best practices across the wider data function

SKILLS AND EXPERIENCE

The successful Senior Data Scientist will have the following skills and experience:

• Strong commercial experience in Marketing Mix Modelling, incrementality testing, geo experiments, or marketing measurement
• Excellent statistical knowledge including causal inference, hypothesis testing, regression analysis, power calculations, and experimental design
• Advanced SQL and Python skills for analysis and modelling
• Experience working with modern data platforms such as Snowflake, dbt, and cloud-based analytics environments
• Understanding of digital marketing, attribution methodologies, paid media platforms, and privacy-related measurement challenges
• Ability to communicate complex findings clearly to both technical and non-technical audiences
• Experience building or supporting Customer Lifetime Value modelling is highly desirable
• Confidence leveraging AI tools as part of a modern analytics workflow

BENEFITS

The successful Senior Data Scientist will receive the following benefits:

• Salary between £70,000 - £90,000 - depending on experience
• Fully remote working within the UK
• 38 days annual leave including public holidays