Senior Marketplaces Manager | Sheffield | Full Time – Office based | £30,000 - £45,000 DOE + performance bonus potential Our client is a leading UK manufacturer and supplier of premium-quality forestry, arborist, and garden machinery parts, offering exceptional value without compromising on quality. From chainsaw chains and chipper blades to oils and stump grinder teeth, their products are trusted by thousands of homeowners, professionals, and small businesses across the UK and Europe. As they continue to scale, they are now looking for a Senior Marketplaces Manager to take full ownership of their Amazon and eBay stores – helping them drive aggressive growth, increase sales, and expand their product range across platforms in the UK, throughout Europe, and beyond. Are you the right person for the job? Comprehensive experience managing Amazon and eBay accounts, ideally for a product-based or manufacturing business Proven record of driving marketplace sales growth and profitability at scale In-depth knowledge of Amazon Seller Central, eBay Seller Hub, marketplace algorithms, and ad platforms Strong experience using Helium10, keyword tools, and performance dashboards Confident with Excel, data analysis, and feed management software (e.g. Linnworks, ChannelAdvisor, etc.) Commercial thinker who thrives on identifying new product ...