Ecommerce & Marketplaces Manager (Portsmouth)

Ecommerce & Marketplaces Manager

Are you an eCommerce all-rounder who thrives on driving digital growth across D2C, Amazon, TikTok Shop and multi-retail channels?

Do you have a commercial mindset, a flair for writing compelling product copy, and a sharp eye for performance data?

Are you ready to take full ownership of online performance in a fast-paced, brand-led business?

MacGregor Black is proud to be partnering with an ambitious and growing consumer goods company on the search for an Ecommerce & Marketplaces Manager . Based in Portsmouth , this hybrid role offers the opportunity to shape and scale an exciting omnichannel digital commerce strategy across direct-to-consumer, pureplay marketplaces, and high-growth platforms like TikTok Shop.

Key Responsibilities:

• Lead the day-to-day trading, performance, and optimisation of the brand’s Shopify website , Amazon (Vendor & Seller Central) accounts, and TikTok Shop presence.
• Develop and execute ecommerce growth strategies across D2C , Amazon , TikTok , and key omnichannel retail partners like Very and JD Williams .
• Write engaging, on-brand product descriptions and marketing copy for multiple channels, ensuring consistency in tone and customer relevance.
• Plan, brief, and manage promotional calendars in line with trading goals across all platforms.
• Own key performance reporting across all digital channels—delivering actionable insights, commercial recommendations, and regular performance presentations to stakeholders.
• Collaborate closely with digital marketing, brand, supply chain and customer service teams to ensure a seamless online customer journey from discovery to post-purchase.
• Monitor and manage Amazon advertising and promotional activity to ensure spend efficiency and ROI.
• Work with third-party agencies and internal stakeholders to optimise performance through content, conversion rate optimisation, and customer retention initiatives.
• Stay ahead of marketplace trends, platform algorithm changes, and emerging tools to continuously evolve the online strategy.

What We're Looking For:

• Proven experience managing eCommerce and marketplace platforms— Amazon Vendor/Seller Central, Shopify, TikTok Shop ideally.
• Strong commercial acumen with a track record of growing online sales and managing multiple revenue channels.
• Excellent written skills—able to craft persuasive product copy and digital content that drives conversion.
• Highly analytical with experience in performance reporting, data visualisation, and confident presenting to leadership teams.
• Comfortable working across multiple systems and managing a fast-moving digital trading calendar.
• A hands-on, proactive mindset with strong stakeholder management and the ability to influence cross-functionally.
• Previous experience in consumer goods, FMCG or a fast-paced branded environment is highly desirable.

Why Apply?

• Shape the ecommerce and marketplaces strategy for a growing, consumer-first brand.
• Varied and high-impact role across some of the fastest-growing digital platforms.
• Hybrid working from a Portsmouth HQ with a collaborative and ambitious team.
• Competitive salary and strong benefits package.

Please contact Daniel Hookway for more information.