Senior Marketing Data Scientist

This is a hybrid role. You'll be expected to join us at one of our main hubs (London or Cardiff) approximately twice a month for key team meetings, workshops, and planning sessions., As a Senior Marketing Data Scientist at Confused.com, you will be a crucial driver of business impact, bridging the gap between complex data and strategic marketing decisions. In this role, we are looking for a strategic analytical leader who will quantify the effectiveness of our marketing strategy. You will partner closely with Marketing, Finance, and leadership to optimize our multi-million pound marketing budget and shape the future of our growth. This isn't just a maintenance role; it's a strategic challenge. Our analytics function is on a mission to evolve from a reactive reporting team into a proactive, value-generating engine, and this role is fundamental to that shift.

Reporting to our Head of Analytics, you will join our central Data Science sub‑team, a high‑impact group of specialists that functions as an internal centre of excellence. While your primary focus will be on marketing, your causal inference expertise is so critical that your projects will span the entire business, supporting key decisions in our Partnerships and Comparison teams as well. This provides a unique and broad view of our entire operations.

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• What is the true incremental impact of our TV advertising on car insurance sales?
  
• How should we reallocate our budget between different marketing channels to maximize ROI?
  
• What is the true impact of our promotional offers on customer acquisition and retention?
  
• Which customer segments are most responsive to our marketing efforts and why?
  

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• Take ownership of a critical, high‑value, and high‑visibility process that determines our ad spend.
  
• Design, build, and maintain advanced Marketing Mix Models to inform strategic budget allocation.
  
• Apply causal inference techniques to measure the incremental impact of specific marketing campaigns and initiatives.
  
• Partner with senior stakeholders to translate complex model outputs into clear, actionable recommendations for leadership.
  
• Champion and build greater team autonomy by designing robust, source‑controlled data pipelines for marketing data products.
  
• Mentor and up‑skill our wider analytics team, in the principles of experimental design and causal inference, helping to level‑up the entire team.
  

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• You have expert‑level SQL and Python skills for large‑scale data analysis and model development.
  
• You have proven experience developing and deploying Marketing Mix Models in a commercial environment.
  
• You have a deep understanding of causal inference methodologies (e.g., DiD, PSM/IPW) and advanced experimental design (A/B/n testing).
  
• Strong statistical foundation, ideally including Bayesian methods.
  
• A passion for building production‑quality, source‑controlled data products, with data engineering skills to help the team own more of its data pipelines.
  
• Exceptional stakeholder management and influence, with a demonstrated ability to translate complex quantitative concepts for senior, non‑technical audiences.
  
• An ambassador for data, who can advocate for data‑driven decisions across multi‑disciplinary teams.
  
• A growth mindset and a passion for mentoring, with a desire to help raise the entire team's technical standard.
  
• In 2002, we became the first insurance comparison site. Our purpose? To make the process of sorting your insurance, utilities or personal finances as easy as possible.
  

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• 10% discretionary yearly bonus and yearly pay reviews (based on RVU and personal performance)
  
• A fully remote working approach with the option to "work from anywhere" for up to 22 working days per year.
  
• Employer matching pension contributions up to 7.5%
  
• A one‑off £300 "Work from Home" budget to help contribute towards a great work environment at home
  
• Excellent maternity, paternity, shared parental and adoption leave policy, for those key moments in your life
  
• 25 days holiday (increasing to 30 days) + 2 days "My Time" per year
  
• Private medical cover, critical illness cover, dental plans and employee assistance programme
  
• Free gym access
  
• Employee discounts programme
  
• A healthy learning and training budget to support your development
  
• Electric vehicle and cycle to work schemes
  
• Regular events – from team socials to company‑wide events with insightful external speakers, we want to make sure our colleagues continue to feel connected
  

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