Hybrid Head of CX, Customer Experience – Seller Experience

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About the role

  • Head of CX overseeing and driving the Seller Experience and Growth strategy for OnBuy, a fast-growing eCommerce platform. Involves leadership responsibilities in product ownership and seller engagement across the marketplace.

Responsibilities

  • Own the Seller Experience and Growth strategy across onboarding, trading, performance, and solutions.
  • Lead and coach Product Owners and Seller Experience teams, ensuring clarity of vision, prioritisation, and delivery.
  • Champion data-driven decision-making, design thinking, and behavioural insights as core levers.
  • Embed a culture of seller obsession and outcome-focused execution.
  • Take ownership of the end-to-end Seller Journey, removing friction at every lifecycle stage.
  • Conduct journey mapping, research, and insight to create intuitive, scalable, and trust-building experiences.
  • Translate seller insights into clear propositions, product direction, and delivery priorities.
  • Partner with Technology to ensure platform maturity, reliability, and continuous improvement.
  • Drive seller lifecycle performance across activation, time to first sale, growth, retention, and satisfaction.
  • Collaborate with BI to build dashboards tracking seller performance, GMV contribution, and marketplace dynamics.
  • Identify opportunities in pricing, content, competitiveness, and assortment.
  • Define and implement segmentation strategies to tailor support and experience to seller value and potential.
  • Lead automation and AI workflows to enable scalable, proactive seller support and trading interventions.
  • Build digital-first seller management frameworks with targeted high-touch engagement where it matters.
  • Work cross-functionally to resolve systemic barriers and trading blockers quickly.
  • Create and scale a Voice of Seller program with real-time feedback loops and structured reporting.
  • Convert insights into clear actions, backlog prioritisation, and product decisions.
  • Deliver behavioural and journey-level improvements through evidence-based experimentation and test-and-learn approaches.
  • Act as the strategic champion for sellers across leadership forums.
  • Ensure alignment and coordination of initiatives across all business areas.
  • Bring sharp narrative storytelling and data-led influence to senior decision-making environments.

Requirements

  • Proven experience shaping seller, merchant or partner ecosystems in marketplaces or high growth eCommerce
  • Strong product, CX and proposition thinking
  • Commercial and trading rigour, supported by data literacy and analytical capability
  • Experience driving automation and scalable service models
  • Deep empathy for sellers and passion for intuitive, empowering experiences
  • Ability to influence and inspire cross functional teams and senior leaders
  • High intellectual curiosity, problem solving capability and an outcome obsession

Benefits

  • Company Equity- In return for helping us to grow, we’ll offer you company equity, meaning you own a piece of this business we are all working so hard to build.
  • 25 days annual leave + Bank Holidays
  • 1 extra day off for your Birthday
  • Employee Assistance Programme
  • Perks at Work benefit platform
  • Opportunities for career development and progression

Job title

Head of CX, Customer Experience – Seller Experience

Job type

Experience level

Lead

Salary

£90,000 per year

Degree requirement

No Education Requirement

Location requirements

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