Category Management Senior Client Lead in London

dunnhumby is the global leader in Customer Data Science empowering businesses everywhere to compete and thrive in the modern data-driven economy. We always put the Customer First. Our mission is to enable businesses to grow and reimagine themselves by becoming advocates and champions for their Customers. With deep heritage and expertise in retail, one of the world's most competitive markets with a deluge of multi-dimensional data, dunnhumby today enables businesses all over the world across industries to be Customer First.

About the role: We are looking for a Senior Client Consultant to join our Range and Category Management. In this role, you will take the lead in delivering high-impact recommendations to the Tesco UK commercial team, directly influencing their product ranging decisions. You will act as a strategic partner to Tesco, identifying commercial opportunities and applying our data science tools to drive performance.

You will work at the intersection of data, retail strategy, and customer behaviour, translating complex insights into clear actionable decisions that shape Tesco's future ranges. This is a hands-on, high-visibility role where you will be expected to challenge thinking, guide stakeholders, and deliver results. We are looking for commercially sharp, data-driven individuals who are ready to take ownership and drive change. This is a chance to work with one of the UK's biggest retailers and help redefine how customer data and AI power decision-making in modern retail.

Location: This role is based in London (Hammersmith) with regular travel to Welwyn Garden City (at least once per week).

What you will be doing:

• Own and lead range reviews across multiple grocery categories, presenting clear data-backed recommendations to Tesco's buying teams.
• Guide and influence stakeholders through the full range process from insight generation to decision-making, ensuring recommendations are understood and applied.
• Interrogate data and dashboards to validate outputs, troubleshoot issues, and ensure quality and accuracy.
• Align with buyer strategies, overlaying commercial context onto your recommendations to ensure relevance and impact.
• Educate and upskill stakeholders on new tools and methodologies, helping embed data-led thinking across the business.
• Stay ahead of the curve, keeping up to date with tool enhancements and feeding into continuous improvement loops.
• Mentor and support junior team members, providing guidance and oversight throughout the delivery process.

What you will need:

• Strong communication and influencing skills, confident presenting to senior stakeholders and translating complex data into compelling narratives.
• Solid grounding in category management and/or experience in FMCG retail or consulting.
• Proven ability to manage clients or internal stakeholders, building trust and credibility quickly.
• A collaborative mindset but with the confidence to challenge and lead when needed.
• Comfortable working with data, able to interpret questions and apply insights to drive decisions.
• Resilience and adaptability in a fast-paced environment with strong prioritisation skills.
• A proactive, curious mindset, always looking for ways to improve and add value.

Why join us: You will be part of a passionate, forward-thinking team that is transforming how Tesco makes ranging decisions. Working alongside world-class data scientists and consultants, you will have the opportunity to shape strategy at scale and see the real-world impact of your work. This role is ideal for a Category Manager or FMCG insights professional looking to deepen their expertise in customer data science and take the next step in their consulting career.

What you will bring:

• 4 years experience in retail, FMCG, or supplier-side roles.
• Demonstrated ability to turn data into actionable recommendations.
• Strong presentation and storytelling skills.
• A team-first attitude with a willingness to support others and share knowledge.

What you can expect from us: We won't just meet your expectations. We will defy them. So you will enjoy the comprehensive rewards package you would expect from a leading technology company, but also a degree of personal flexibility you might not expect. Plus thoughtful perks like flexible working hours and your birthday off. You will also benefit from an investment in cutting-edge technology that reflects our global ambition, but with a nimble small-business feel that gives you the freedom to play, experiment, and learn.

And we don't just talk about diversity and inclusion. We live it every day with thriving networks including dh Gender Equality Network, dh Proud, dh Family, dh One, dh Enabled, and dh Thrive as the living proof. We want everyone to have the opportunity to shine and perform at your best throughout our recruitment process. Please let us know how we can make this process work best for you.

Our approach to Flexible Working: At dunnhumby, we value and respect difference and are committed to building an inclusive culture by creating an environment where you can balance a successful career with your commitments and interests outside of work. We believe that you will do your best at work if you have a work/life balance. Some roles lend themselves to flexible options more than others, so if this is important to you, please raise this with your recruiter as we are open to discussing agile working opportunities during the hiring process.