Testing Manager

dunnhumby is the global leader in Customer Data Science, partnering with the world’s most ambitious retailers and brands to put the customer at the heart of every decision. We combine deep insight, advanced technology, and close collaboration to help our clients grow, innovate, and deliver measurable value for their customers.

dunnhumby employs nearly 2,500 experts in offices throughout Europe, Asia, Africa, and the Americas working for transformative, iconic brands such as Tesco, Coca-Cola, Nestlé, Unilever and Metro.

About dunnhumby

dunnhumby is the global leader in Customer Data Science, powering growth for some of the world’s leading retailers and brands. We put the customer at the heart of everything we do, using data, insight and science to create impactful, measurable change.

Within ourRetail Media capability, we’re continuing to evolve and scale our media platforms to deliver relevant, personalised experiences for customers and meaningful value for retailers and suppliers.

Tesco Media is the ultimate media partner to brands. Built on unrivalled customer insight, it’s a media owner with soul, scale, and storytelling power. Tesco Media helps brands and agencies connect meaningfully with customers, drive creative effectiveness, and grow at the point of purchase.

Through Tesco, the UK’s largest grocery retailer with over 24 million Clubcard households - representing nearly every home in the UK - Tesco Media offers brands an unparalleled view into the motivations and behaviours of the nation. It is perfectly positioned to solve business’s greatest marketing challenges, unlocking growth by enabling brands to connect with customers in meaningful ways online, in-store and via its offsite partners, all while enhancing the shopping experience for its customers.

The role

TheUAT Manager plays a critical role in ensuring retail media platforms and technology changes are fit for purpose before going live. Acting as a bridge between business stakeholders and delivery teams, this role owns the planning, coordination and governance of User Acceptance Testing (UAT) across complex programmes and initiatives.

This is a hands‑on role with high visibility, working across multiple workstreams, partners and teams to ensure quality, readiness and confidence at release.

What you’ll be doing

• Define and own the UAT strategy, framework, standards and governance across programmes and projects
• Plan and manage UAT phases including scope, timelines, environments, resourcing and dependencies
• Partner with business stakeholders to define acceptance criteria and validate test scenarios
• Coordinate UAT activity across multiple delivery teams, vendors and workstreams
• Manage UAT execution, defect triage, prioritisation, retesting and final sign‑off
• Provide clear reporting on progress, risks, issues and quality metrics to senior stakeholders
• Ensure robust entry and exit criteria are applied before release
• Drive continuous improvement in UAT processes, tooling and ways of working
• Support change readiness, training validation and adoption where required

What we’re looking for

• Proven experience managingbusiness‑led UAT for large‑scale, complex systems
• Strong knowledge of the SDLC, acrossAgile, Waterfall and Hybrid environments
• Excellent stakeholder management and communication skills, including senior audiences
• Ability to translate business requirements into effective, executable test approaches
• Strong defect management and quality assurance mindset
• Experience using test management tools and platforms
• Confident decision‑maker with a pragmatic approach to risk

What you can expect from us

We won’t just meet your expectations. We’ll defy them. So you’ll enjoy the comprehensive rewards package you’d 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’ll 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.

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