Senior eCommerce Marketplace Executive

Armagh | Full-Time

Competitive Salary + Excellent Benefits

Whytematter are delighted to be partnering with an award-winning, leading manufacturer of healthy food products to recruit a Senior eCommerce Marketplace Executive .

Recognised as one of The Sunday Times Best Places to Work 2026 , our client is a well-established, innovative business with a strong focus on health, sustainability and continuous growth. This is an exciting opportunity to take ownership of marketplace performance, helping to drive online sales across Amazon and other leading eCommerce platforms.

If you're commercially minded, data-driven and passionate about eCommerce, this could be the perfect next step in your career.

The Role

Reporting into the wider eCommerce team, you'll be responsible for managing and growing the company's presence across Amazon and other online marketplaces. Using sales data, advertising performance and customer insights, you'll continuously optimise marketplace performance to increase visibility, conversion and profitability.

Key Responsibilities

• Manage the day-to-day operation of the company's marketplace accounts.

• Create, update and optimise product listings, including titles, descriptions, imagery, keywords and enhanced brand content.

• Develop marketplace strategies to increase sales, improve profitability and achieve commercial targets.

• Monitor product rankings, traffic, conversion rates, sales performance and competitor activity to identify growth opportunities.

• Plan and execute seasonal promotions, product launches and marketplace campaigns.

• Manage Amazon Sponsored Products and other paid marketplace advertising campaigns.

• Monitor stock levels, demand forecasts and fulfilment requirements to minimise stock shortages and excess inventory.

• Ensure marketplace accounts remain compliant by monitoring reviews, customer feedback and platform policies.

• Produce regular performance reports, providing commercial insights and recommendations for improvement.

• Support the launch of new products, marketplaces and international territories.

About You

We're looking for someone with a strong background in marketplace management who enjoys analysing data, identifying opportunities and driving online growth.

Essential Criteria

• Previous experience managing online marketplaces, ideally including Amazon and eBay.

• Experience optimising product listings and managing paid marketplace advertising.

• Strong understanding of marketplace analytics, reporting tools and Google Analytics 4.

• Advanced Excel or Google Sheets skills with the ability to analyse sales, advertising, stock and profitability.

• Experience managing product data, catalogues, SKUs and marketplace integrations.

• Knowledge of fulfilment models including Fulfilment by Amazon (FBA), merchant fulfilment and third-party logistics.

• Experience with inventory management, demand planning and stock forecasting.

• Ability to interpret performance data and turn insights into actionable recommendations.

• Excellent organisational, communication and problem-solving skills.

Desirable Skills

• Experience using WooCommerce, Shopify or a similar eCommerce platform.

• Knowledge of Conversion Rate Optimisation (CRO), A/B testing and customer journey optimisation.

• Passion for identifying new opportunities to improve marketplace performance and customer experience.

What's on Offer

• Competitive salary and benefits package.

• 4½-day working week , with a 1pm finish every Friday .

• Flexible working hours.

• 28 days annual leave, increasing with length of service.

• Company sick pay.

• Performance bonus.

• Company pension.

• Ongoing learning and development opportunities.

• Long service awards.

• Free on-site parking.

• The opportunity to join one of the UK's Best Places to Work within a supportive and forward-thinking team.

Why Apply?

This is a fantastic opportunity to join a growing business with an established global presence, where you'll have real ownership of marketplace performance and the chance to influence online growth. Working alongside an experienced digital team, you'll play a key role in developing and expanding the company's eCommerce strategy while continuing to build your own career in a collaborative and innovative environment.

Ready to take the next step in your eCommerce career? We'd love to hear from you. Apply today through Whytematter Recruitment at your earliest convenience so as not to miss this opportunity.