Senior Marketing Data Scientist - Hybrid, ROI-Driven

RVU group; Cardiff; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading technology and analytics firm in Cardiff is seeking a Senior Marketing Data Scientist to drive business impact through data analysis and marketing strategy. This hybrid position emphasizes strategic leadership by optimizing a multi-million pound marketing budget and evolving analytic functions. The ideal candidate must have expert SQL and Python skills and a strong understanding of causal inference methodologies. The company offers a competitive salary and robust benefits to support employee growth and well-being.

Benefits

10% discretionary yearly bonus

Fully remote working option

Employer matching pension contributions up to 7.5%

£300 Work from Home budget

Excellent parental leave policies

25 days holiday, increasing to 30 days

Private medical cover

Employee discounts programme

Learning and training budget

Regular team events

Qualifications

• Expert-level SQL and Python skills for large-scale data analysis.
• Deep understanding of causal inference methodologies and advanced experimental design.
• Proven experience developing and deploying Marketing Mix Models.

Responsibilities

• Take ownership of a critical, high-value process that determines ad spend.
• Design, build, and maintain advanced Marketing Mix Models.
• Apply causal inference techniques to measure incremental impact of marketing campaigns.

Skills

SQL

Python

Causal Inference Methodologies

A/B/n Testing

Stakeholder Management

Data Engineering Skills

Job description

A leading technology and analytics firm in Cardiff is seeking a Senior Marketing Data Scientist to drive business impact through data analysis and marketing strategy. This hybrid position emphasizes strategic leadership by optimizing a multi-million pound marketing budget and evolving analytic functions. The ideal candidate must have expert SQL and Python skills and a strong understanding of causal inference methodologies. The company offers a competitive salary and robust benefits to support employee growth and well-being.