Senior Marketing Science Lead: Growth & Measurement

Journey Further; Greater London; Hybrid; GBP 55,000 - 65,000; Full time

Benefits offered by this job

Pension 4% match

Private medical insurance

Enhanced parental pay

25 days leave + Xmas shutdown

Home working allowance

Job summary

Journey Further is seeking a Senior Manager, Marketing Science to lead client measurement and translate complex models into actionable recommendations on media spend.

You will design experiments (MMM, MTA, incrementality), interpret outputs, and bring data from platforms and experiments into one framework to drive growth. You’ll mentor analysts and collaborate with cross-functional teams to shape tools and IP.

Qualifications

• Significant experience in marketing analytics and media effectiveness.
• Deep, hands-on experience with MMM, MTA, forecasting and propensity models.
• Designed and analysed experiments personally; comfortable with causal inference methods.
• Strong SQL and at least one of R or Python; ability to explain complex stats simply.
• Experience leading analysts and communicating insights to senior marketing leaders.
• Experience building measurement tools, products or IP; familiarity with Meridian/Robyn and cloud data warehouses.

Responsibilities

• Lead measurement for clients and shape a measurement strategy aligned to business goals.
• Design and run incrementality tests (MMM/MTA, geo tests, holdouts) to separate effect.
• Interpret outputs and translate results into actionable client recommendations.
• Integrate platform data, experiments, and MMM into a single measurement framework.
• Build forecasts and scenario analyses to advise budget allocation.
• Present insights clearly to senior stakeholders and influence decision making.
• Line manage a small team of analysts and coach their development.
• Collaborate with paid media teams to plan tests and optimize spend.
• Contribute to proprietary measurement tools and IP; work with open-source MMM frameworks.

Skills

SQL

R

Python

Marketing analytics

MMM

MTA

Forecasting

Causal inference

Experiment design

Communication

Leadership

BigQuery

Tools

BigQuery

Job description

Journey Further is seeking a Senior Manager, Marketing Science to lead client measurement and translate complex models into actionable recommendations on media spend.

You will design experiments (MMM, MTA, incrementality), interpret outputs, and bring data from platforms and experiments into one framework to drive growth. You’ll mentor analysts and collaborate with cross-functional teams to shape tools and IP.