Head of Data - Data Science ML Engineering
Head of Data - Data Science ML Engineering

Head of Data - Data Science ML Engineering

London Full-Time 54000 - 84000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead and scale Data Science and ML teams, driving AI strategy and delivery.
  • Company: Join Compare the Market, a leader in making financial decisions easier for everyone.
  • Benefits: Enjoy hybrid work options, autonomy, and opportunities for personal growth.
  • Why this job: Make a real impact in AI while fostering a high-performance team culture.
  • Qualifications: Strong academic background in quantitative fields and proven leadership in data teams required.
  • Other info: Diversity and inclusion are key; all backgrounds are encouraged to apply.

The predicted salary is between 54000 - 84000 £ per year.

Location: Hybrid (London / Peterborough / Hybrid)
Function: Data & AI
Reports to: Director of Data & AI Solutions
Why this role matters
We’re building the future of how people make financial decisions — and AI is at the core. Our purpose is to make great financial decision making a breeze for everyone, and that purpose drives us every day. It’s why we’re on a mission to create an automated quoting engine, with the simplest of experiences, wrapped in a brand everyone loves! We change lives by making it simple to switch and save money and that’s why good things happen when you meerkat.

As Head of Data – Data Science & MLE, you’ll lead our advanced analytics and machine learning teams, shaping strategy, driving delivery, and building the next generation of intelligent products. From dynamic pricing to agentic AI and LLMs, this is a pivotal role in bringing our AI strategy to life.
This is more than a technical leadership role. You’ll bring academic depth, delivery discipline, and contagious energy to a team with high potential. You’ll help build pace and structure into a high-trust culture — enabling smart people to do their best work with focus, clarity, and accountability.

What you’ll be doing
• Lead and scale our Data Science and Machine Learning Engineering teams, setting a clear direction for AI and advanced analytics at Compare the Market.
• Oversee the development and deployment of classic machine learning solutions and modern AI applications, supporting a range of use cases across personalisation, optimisation, automation, and user experience.
• Drive sprint planning, delivery focus, and accountability across your teams, working closely with Product and Engineering counterparts.
• Instill a strong experimentation mindset, including uplift modelling, A/B testing, and causal inference.
• Ensure robust MLOps practices are in place for deployment, monitoring, and retraining.
• Champion collaboration with Analytics Engineering and Data Platform teams to build clean, reproducible, production-ready datasets.
• Embed responsible AI practices — promoting transparency, fairness, and model governance in everything we do.
• Foster a high-performance team culture — coaching, motivating, and setting a pace that helps brilliant individuals thrive.
What we’re looking for
Must Have
• Strong academic background in a quantitative discipline (e.g. computer science, mathematics, physics, statistics, or related fields).
• Proven experience managing data teams with mixed skill sets, including data scientists, machine learning engineers, and analytics professionals.
• Leadership track record in fast-paced, delivery-driven environments, with clear planning, prioritisation, and execution skills.
• Deep technical understanding of statistical modelling, ML methods, and experimentation design.
• Experience deploying machine learning in production, ideally in a modern cloud environment with MLOps tools and frameworks.
• Skilled in balancing hands-on credibility with strategic oversight — able to bring both vision and structure.
• Charismatic, structured, and energising — able to bring clarity, urgency, and cohesion to a technically diverse team.
• Strong communication and stakeholder management — comfortable engaging across technical, commercial, and executive layers.
Nice to Have
• Experience in regulated industries such as insurance, banking, or financial services
• Familiarity with ML development platforms and tooling, including model registries, feature stores, and frameworks for generative AI (e.g. OpenAI, LangGraph, Vertex AI)
• Understanding of CI/CD pipelines for machine learning and infrastructure-as-code tools (e.g. Terraform, CloudFormation)
• Exposure to advanced techniques such as large language models (LLMs), retrieval-augmented generation (RAG), and prompt engineering
• Demonstrated commitment to responsible AI, including experience with model explainability, fairness, or governance frameworks

Why Join Us?
You’ll lead talented teams working on meaningful AI problems, backed by strong foundations in data and infrastructure. We’ll give you autonomy to shape how we deliver, space to coach others, and the opportunity to influence how AI scales at Compare the Market.

Everyone Is Welcome
We’re committed to building a diverse and inclusive Data Science team where everyone feels they belong. If this role excites you but you don’t meet every single requirement, we still encourage you to apply. We care about what you can do—not just where you’ve been.

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Head of Data - Data Science ML Engineering employer: Compare the Market

At Compare the Market, we pride ourselves on being an exceptional employer, offering a dynamic hybrid work environment in London and Peterborough that fosters innovation and collaboration. Our commitment to employee growth is evident through our supportive culture, where talented individuals are empowered to lead and shape the future of AI in financial decision-making. With a focus on diversity and inclusion, we create a workplace where every voice is valued, making it an exciting place to build a meaningful career.
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Contact Detail:

Compare the Market Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Head of Data - Data Science ML Engineering

✨Tip Number 1

Familiarise yourself with the latest trends in AI and machine learning, especially in the context of financial services. Being able to discuss recent advancements or case studies during your interview can demonstrate your passion and knowledge in the field.

✨Tip Number 2

Network with professionals in the data science and AI community, particularly those who have experience in regulated industries like insurance or banking. This can provide you with insights into the challenges and opportunities in the sector, which you can leverage in your discussions with us.

✨Tip Number 3

Prepare to showcase your leadership style and how you've successfully managed diverse teams in fast-paced environments. Think of specific examples where you've driven delivery and fostered a high-performance culture, as this aligns closely with what we’re looking for.

✨Tip Number 4

Brush up on your technical skills related to MLOps and cloud environments. Being able to discuss your hands-on experience with deployment and monitoring of machine learning models will set you apart from other candidates.

We think you need these skills to ace Head of Data - Data Science ML Engineering

Strong academic background in quantitative disciplines
Proven experience managing data teams
Leadership in fast-paced environments
Statistical modelling expertise
Machine learning methods knowledge
Experimentation design skills
Experience deploying machine learning in production
Familiarity with MLOps tools and frameworks
Strategic oversight and hands-on credibility
Strong communication skills
Stakeholder management abilities
Understanding of regulated industries
Familiarity with ML development platforms
Knowledge of CI/CD pipelines for machine learning
Exposure to large language models and advanced techniques
Commitment to responsible AI practices

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights relevant experience in data science and machine learning engineering. Focus on leadership roles, technical skills, and any specific projects that align with the job description.

Craft a Compelling Cover Letter: In your cover letter, express your passion for AI and financial decision-making. Discuss how your background and vision align with the company's mission and how you can contribute to their goals.

Showcase Your Leadership Experience: Emphasise your experience managing diverse teams and driving delivery in fast-paced environments. Provide examples of how you've fostered a high-performance culture and instilled an experimentation mindset.

Highlight Technical Proficiency: Detail your technical expertise in statistical modelling, ML methods, and MLOps practices. Mention any familiarity with cloud environments and tools that are relevant to the role, such as CI/CD pipelines and model governance.

How to prepare for a job interview at Compare the Market

✨Showcase Your Technical Expertise

As a candidate for the Head of Data role, it's crucial to demonstrate your deep understanding of statistical modelling and machine learning methods. Be prepared to discuss specific projects where you've successfully deployed ML solutions in production, especially in cloud environments.

✨Highlight Leadership Experience

This role requires strong leadership skills, so share examples of how you've managed diverse data teams. Discuss your approach to fostering a high-performance culture and how you've motivated team members to achieve their best work.

✨Emphasise Collaboration Skills

Collaboration is key in this position. Be ready to talk about how you've worked with cross-functional teams, particularly with Product and Engineering counterparts. Highlight any experiences where you’ve championed collaboration to drive successful outcomes.

✨Demonstrate a Commitment to Responsible AI

Given the emphasis on responsible AI practices, prepare to discuss your understanding of model governance, fairness, and transparency. Share any relevant experiences where you've implemented these principles in your previous roles.

Head of Data - Data Science ML Engineering
Compare the Market
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