Senior UX Designer – Data Science Tools Job at Welwyn Garden City, UK Full Time

Tesco UK • Welwyn Garden City • Hybrid • Full-Time • Permanent • Working hours 36 • Apply by 21-Jun-2026

We’re looking for a Senior UX Designer to lead user-centred design across internal Data Science tools, helping colleagues work more efficiently and make better decisions through intuitive, scalable experiences.

In this role, you’ll tackle complex challenges, mapping interconnected systems and workflows while translating user, business, and technical needs into seamless end-to-end journeys. You’ll combine strong interaction design with systems thinking and evidence-led decision making to deliver impactful solutions.

You’ll operate in a cross-functional environment, partnering with Product, Engineering, Data Science and Research teams, while also helping to raise UX maturity, embed best practices, and influence product direction. This is an opportunity to take ownership of large-scale experiences from discovery through to delivery, shaping both strategy and execution.

What is in it for you
We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. Click Here to find out more!

• Annual bonus scheme of up to 20% of base salary.
• Holiday starting at 25 days plus a personal day (plus Bank holidays).
• Private medical insurance.
• 26 weeks maternity and adoption leave (12 months service required at the qualifying date) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave.
• Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing.
• This information is a shortened summary, refer to our policies for full details.

You will be responsible for

• Leading end-to-end UX design for enterprise and Data Science tools
• Designing complex workflows, systems, and user journeys, including edge cases
• Running discovery activities such as workshops, journey mapping, and usability testing
• Embedding user-centred design practices into product development processes
• Translating research, business, and technical requirements into clear design solutions
• Partnering with Product, Engineering, Data Science and Business teams to shape direction
• Using insights, analytics, and experimentation to improve experiences and outcomes
• Producing high-quality deliverables including flows, wireframes, and prototypes
• Contributing to and evolving design systems and shared patterns
• Communicating ideas and design decisions to stakeholders at all levels
• Mentoring and supporting others to grow UX capability across teams
• Promoting collaboration, feedback, and continuous improvement within the design function

You will need

• A strong UX portfolio demonstrating clear thinking, rationale, and high-quality interaction design
• Deep understanding of UX principles applied to complex, multi-journey systems
• Experience designing at scale across interconnected products or services
• High standards for usability, accessibility, and interaction design quality
• Confidence using research, data, and experimentation to inform decisions
• Strong communication skills with the ability to clearly articulate design rationale
• Ability to influence and collaborate with cross-functional stakeholders
• Proactive mindset with a collaborative approach to feedback and critique
• Experience working in agile, cross-functional product environments
• Ability to balance user needs, business goals, and technical constraints

About us
You might know us as a supermarket, technology company or even for our award-winning mobile network. Truth is, we’re all of those things, and much more. Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues.

At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you’re just kicking off your career, juggling passions, or navigating big life events, we’re here to support you. We always welcome a conversation about flexible working, so talk to us throughout your application about how we can support.

We’re proud to be an accredited Disability Confident Leader, where everyone’s welcome. That’s why we commit to providing a fully inclusive and accessible recruitment process. If you need support with your application, click here for more information. And if you’re interested in joining our team but don’t tick every box, don’t let that hold you back from applying.