Tesco UK • Welwyn Garden City AL7 1GA

Seller Success Manager - Marketplace

About this role

Marketplace is a key pillar of Tesco’s strategy to become ‘Easily the Most Convenient’ grocer, giving customers access to a broader range of third‑party products alongside their core grocery shop on Tesco.com. As Marketplace continues to scale, we are looking for a Seller Success Manager to take ownership of the performance of our Core accounts.

In this role, you’ll partner with a large portfolio of sellers to unlock growth at scale; helping them deliver standout customer propositions and thrive on Tesco Marketplace. You’ll combine commercial and relationship management expertise to deliver shared growth and financial targets, while shaping a best-in-class seller experience. It’s a high impact opportunity with real ownership, strong cross‑functional collaboration, and regular exposure to senior stakeholders.

  • Partnering with a broad portfolio of sellers to unlock and maximise shared growth opportunities through scalable engagement
  • Acting as the voice of the seller internally, sharing insights and feedback to help shape priorities, policies and product enhancements
  • Building strong, trusted relationships with sellers, establishing effective and scalable ways of working and governance to resolve issues, prioritise opportunities and optimise outcomes, supporting long-term retention
  • Delivering a seamless end-to-end seller and customer experience by reducing friction and improving how sellers interact with us
  • Using data and insights to understand seller needs, customer trends, market dynamics and competitor activity, prioritising actions that drive the greatest impact
  • Leveraging promotional plans, seasonal moments and key events to support and accelerate seller growth
  • Communicating confidently with stakeholders, using data and insight to inform and influence decision making
  • Working closely with the Marketplace Strategic team to support the delivery of range strategies at scale
  • Collaborating cross-functionally with Product, Operations, Pricing, Media and Marketing teams to unlock growth opportunities and address challenges
  • Strong understanding of online marketplace models, commercial drivers and key growth levers
  • Effective stakeholder management and influencing skills, with the ability to manage a broad, cross-category seller portfolio in a fast-paced environment
  • Strong written and verbal communication skills, including the ability to present with confidence and influence at all levels, alongside effective cross-functional collaboration
  • Proven programme and initiative management capability, delivering outcomes through collaboration across multiple teams
  • Strong analytical capability, using data and insights to prioritise actions, manage performance and support growth
  • Able to balance strategic thinking with a pragmatic, hands-on approach in a dynamic environment
  • High level of proficiency in Excel and data analysis, with the ability to translate data into clear, actionable insights
  • Demonstrated ability to build and grow external partnerships, supporting engagement and long-term retention
  • Experience working within a commercial retail or eCommerce environment, ideally within a third-party (3P) or marketplace model

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.