Product Owner ( Domain Owner)

About OnBuy

OnBuy are an online marketplace 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. We are laser focused on our mission and understand the huge joint effort needed to succeed.

Working at OnBuy

We are a team of driven and motivated people who thrive at pace. To succeed you need to take charge, 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 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.

About the Role

As a Product Owner, you will own the vision, the now, next, and later roadmap, the delivery, and the success of a specific Domain that defines our buyer or seller experience. Acting as the bridge between company ambition and technical execution, you will translate insights, priorities, and operational needs into a clear, outcome‑driven roadmap that delivers measurable value for our customers and the business.

Key Responsibilities

• Define and own the product vision and roadmap for your domain, aligned to company strategy and business goals.
• Translate goals into clear problem statements, user stories, and measurable outcomes.
• Continuously prioritise and refine the backlog based on data, impact, and value.
• Work closely with engineering, QA, design, data, and activation teams to deliver high‑quality solutions that drive growth and value.
• Lead sprint planning, reviews, and backlog refinement to maintain clarity, alignment, and focus for your squad.
• Balance delivery speed with long‑term scalability, technical health, and operational efficiency.
• Focus on outcomes over outputs, ensuring delivery directly improves experience, performance, and business value.
• Champion the voice of the customer using insights, feedback, and research to inform decision‑making.
• Partner with commercial, operations, and marketing teams to ensure alignment and adoption of new features.
• Communicate product performance, progress, and impact against goals and key metrics clearly and consistently across all levels.
• Define clear goals and key metrics that connect team outputs to customer and business outcomes.
• Use analytics and insight to measure performance, track progress, and identify opportunities for improvement.
• Make evidence‑based decisions combining data, customer feedback, and experimentation.
• Continuously iterate to enhance conversion, engagement, and satisfaction through data‑driven learning.

About You

You are a strategic thinker who simplifies complexity and drives delivery at pace. You combine a commercial mindset with empathy for customers and a collaborative approach. You treat your product like your own business, taking ownership of its growth, performance, and success. You bring:

• Proven experience as a Product Owner or Product Manager in a digital, retail, eCommerce, or SaaS environment.
• Strong understanding of Agile delivery and backlog management.
• Excellent communication and stakeholder management skills, able to influence without authority.
• Familiarity with Agile tools such as Jira and Confluence and BI tools such as Looker Studio or similar.
• The confidence and curiosity to act as the subject matter expert and go‑to contact for your domain.
• A focus on measurable outcomes with a clear ability to link delivery to impact.
• Data‑Driven Decision Making: Ability to use user behaviour data (retention cohorts, activation curves, reward utilisation, LTV uplift).

Benefits

The salary on offer for this role is up to £75,000 per annum, depending on experience.

• 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
• Company equity

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.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Information Technology

Industries

Non‑profit Organizations and Primary and Secondary Education