E-commerce Account Manager (Marketplaces)

About Numan Founded in 2018, we’ve already grown to be a 300+ team distributed across the globe, united by a singular mission: empowering people to take control of their health. Numan is transforming health: we’ve built a cutting-edge platform that integrates diagnostics, medication, supplements, digital programmes, and doctor consultations. Giving people the tools they need to maximise life. To deliver on our transformative mission, we are guided by our 5 company values: • Patients first. • Learn fast. • Own the quality. • Succeed together. • Care deeply. Backed by top-tier investors, Numan is already having a positive impact on hundreds of thousands of patients here in the UK, and we want you to help us deliver this mission! The Role We are seeking a data-driven, hands-on Marketplace Specialist to take full ownership of the growth, daily management, and advertising performance of our supplements business across Amazon and third-party platforms . This is not a general digital marketing or social media role. We need a specialist who is deeply familiar with the nuances of Amazon's ecosystem and can independently build, manage, and optimize high-performing PPC campaigns . You will play a pivotal role in scaling our UK Amazon business while collaborating with the team to expand into new channels and international marketplaces . The Team You will work closely with your manager and the wider Growth team to manage and aggressively optimize our presence across platforms such as Amazon . You'll be: Owning Amazon PPC & Performance Marketing: Independently designing, launching, and managing performance marketing campaigns directly inside Amazon Advertising . Executing Granular Optimizations: Running daily optimizations including advanced keyword research, negative keyword pruning, bid management, and match-type architecture . Managing Day-to-Day Operations: Overseeing sales trends, pricing strategies, inventory health, and buy-box monitoring across Seller Central and Vendor Central . Optimising Listings for Conversion: Improving product listings, imagery, keywords, and A+ content to maximize both search visibility and conversion rates . Analysing Data & Competitors: Deep-diving into marketplace data and competitor activity to extract actionable insights and identify new growth opportunities . Tracking & Reporting KPIs: Utilizing advanced spreadsheet skills to track key performance indicators (KPIs) and build regular, data-driven performance reports . Ensuring Compliance & Brand Alignment: Keeping product listings accurate, highly compliant with strict marketplace policies, and aligned with Numan’s brand standards . Cross-Functional Collaboration: Partnering with Growth, Brand, and Operations teams to streamline supply chain and support broader marketplace initiatives . We're looking for someone who has: Proven Amazon PPC Mastery (Non-Negotiable): Direct, hands-on experience running, scaling, and optimizing Amazon Advertising campaigns by yourself . Platform Expertise: Strong operational proficiency inside both Amazon Seller Cen tral and Vendor Central . You must know how to navigate these platforms seamlessly from day one . Advanced Excel/Analytical Skills: High comfort level manipulating large data sets, VLOOKUPs, pivot tables, and turning raw advertising data into clear strategic actions . An Entrepreneurial Mindset: A proactive, self-starting approach with the organizational skills to manage a marketplace portfolio independently . Attention to Detail: Meticulous standards when it comes to listings accuracy, content optimization, and compliance . Excellent Communication: The ability to clearly articulate campaign performance and collaborate effectively across internal teams . 🚫 Note to Applicants: Daily, hands-on experience inside Amazon Seller is a strict requirement for this role. General agency account management or broad social media advertising experience without direct Amazon execution will not be considered. It's a bonus if you have: Experience with international marketplace entry, including navigating regional operational or regulatory differences . Familiarity with alternative emerging marketplaces like TikTok Shop . Experience working with specialized external eCommerce analytics or marketplace management software . Our benefits include... 📈 - Share options. 🏖 - 25 days holiday, plus bank holidays (increasing to 30 the longer you stay with Numan). 🩺 - Health insurance with Vitality . 🚘 - Electric car salary sacrifice scheme with Octopus . 🧸 - Enhanced maternity and parental leave. 🐥 - Nursery benefit provided by YellowNest . 💼 - Employee assistance programme (access to therapy, financial planning and discounts). ⚖️ - Generous pension (includes both employee and employer contributions). 💻 - Flexible working options, including a dog-friendly office in Farringdon. 📚 - Personal training and development budget via Learnerbly. 👟 - Wellhub membership, giving you access to over 2,000 locations in the UK. 🚲 - Cycle to work scheme. 🚆 - Season ticket loan. % - Discount on Numan products for your friends and family. 🤲 - Paid volunteering days. 📅 - An additional 2 weeks off once you reach your 5th anniversary with Numan. Diversity at Numan At Numan, people are at the heart of who we are. We recognise and value the unique perspectives and experiences that individuals from all backgrounds bring. We promote innovation and creativity, enabling us to tackle things from various viewpoints and are committed to equal opportunities and continuously strive to create a workplace where everyone feels respected, heard, and valued. Embracing diversity isn't just our goal; it's our strength, driving us towards a more inclusive future.