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Seller Success Manager

OnBuy
Full-time
Remote friendly (Manchester England United Kingdom)
Worldwide

Who are OnBuy?

OnBuy are an online marketplace who are on a mission of being the best choice for every customer, everywhere.

We have recently been named one of the UK's fastest-growing tech companies in the Sunday Times 100 Tech list.

All achievements we are very proud of, but we don't let that go to our head. We are all laser focused on our mission and understand the huge joint effort ahead of us needed to succeed.

Working at OnBuy:

We are a team of driven and motivated people who thrive when working at pace. To succeed at OnBuy you need to take charge and fully own your responsibilities, rolling your sleeves up when needed to 'get it done'. Working at OnBuy you are surrounded by so much opportunity, but you must possess the ability to stay focused and prioritise ruthlessly. Most importantly, you will thrive in an ever-changing environment as we are constantly evolving.

At OnBuy, you're not just a number or another cog in a machine. We are creating something really special, and you have the opportunity to affect meaningful change and have your voice heard. 

We are a close team, who have the opportunity to learn and grow as OnBuy evolves. We work in a flexible way, meaning we can prioritise our health and relationships, but when we are working, we graft.

 
Job Summary

The Seller Success Manager plays a critical role in delivering a world-class seller experience across onboarding, incubation, and long-term growth. This role is responsible for translating objectives into actionable plans that drive seller performance, engagement, and GMV growth. Success means demonstrating the ability to connect operational execution with strategic impact, an essential trait for OnBuy.

The ideal candidate will be a cross-functional collaborator, passionate about enabling sellers to thrive on our platform.

Key Responsibilities

Driving Growth

  •          Lead seller strategies to align with business goals and drive GMV growth.
  •         Collaborate across Product, Marketing, Sales, and Support to deliver a seamless end-to-end seller journey.
  • Oversee (in partnership with Seller Onboarding) the incubation process for new sellers, ensuring readiness for trading and strong customer experience.
  •         Streamline onboarding to reduce friction and accelerate time-to-value.
  •          Conduct regular performance reviews of newly onboarded sellers, guiding them through the incubation lifecycle.

Activation & Trading

  •         Develop and execute activation strategies and trading moments to boost seller engagement and sales.
  •          Promote adoption of platform tools (e.g., Boost) to enhance visibility and performance.
  •          Use internal scoring systems to identify high-potential sellers and implement targeted growth plans.
  •         Collaborate with Marketing to activate deals and promotions with key sellers.

Performance Monitoring & Enablement

  •         Design and implement performance metrics and dashboards (e.g., NPS, real-time seller KPIs).
  •          Monitor customer satisfaction and partner with underperforming sellers to improve responsiveness, shipping, and refund rates.
  •          Optimise the Seller Control Panel (SCP) for intuitive UX and embedded education.
  • Product Collaboration & Feedback Loops
  •         Partner with the Seller Success Product team to co-design features that improve seller outcomes.

         Surface seller feedback and operational issues to inform continuous platform improvements.

Experience & Skills

  • Proven experience in key account management, seller success, or e-commerce operations within a B2C marketplace.
  • Strong leadership and influencing skills.
  • Effective storytelling and communication abilities.
  • Excellent analytical and problem-solving skills.
  • Familiarity with performance metrics and seller scoring systems.
  • Ability to collaborate across departments including Product, Support, Sales, and Marketing.
  • Strong interpersonal skills and stakeholder management.

Benefits

The salary on offer for this role is £30,000 - £40,000 per annum, depending on experience, + Commission

We also offer the following benefits:

  • 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

Plus 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.

Our Commitment

OnBuy is an equal opportunities employer. We are dedicated to creating a fair and transparent workforce, starting with a recruitment process that does not discriminate on the basis of gender, sexual orientation, marital or civil partnership status, pregnancy or maternity, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability, or age.