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Ecommerce Manager Japan - THG Nutrition | Myprotien

THG
CompanyTHG
CategoryMarketing
LocationUK, Manchester
RemoteOn-site (inferred)
EmploymentNot stated
LevelManager
SalaryNot stated by the employer
Posted16 Jun 2026
Last verified12 Aug 2026
SourceEmployer ATS (greenhouse)
Applications are handled by the employer, not by us.Apply on the employer's site →
Description
About THG   We are THG, a global ecommerce group on a mission to be the global online leader in beauty and sports nutrition.   Our portfolio of leading retailers and brands such as LOOKFANTASTIC, Myprotein, ESPA, Perricone MD, and Cult Beauty form our two core businesses: THG Beauty and THG Nutrition.   From Manchester to New York, we’re powered by a team of over 2500 people who work together, lead by example, and think BIG.    With us, you’ll go further, faster. What are you waiting for?   What You’ll Be Doing: As Ecommerce Manager Japan,  you will take ownership of Japan’s digital trading performance and customer journey, ensuring best-in-class ecommerce execution.  Key Responsibilities: Ecommerce Strategy & Growth Develop and execute the ecommerce growth strategy for the Japan market Drive revenue growth, conversion optimisation, and customer acquisition initiatives Identify new commercial opportunities to increase online sales performance Website Trading & Merchandising Manage day-to-day trading performance across the Japanese ecommerce platform Optimise product merchandising, site navigation, and landing pages Build promotional calendars aligned with seasonal campaigns and product launches Performance Marketing Collaboration Partner closely with paid media, CRM, SEO, and affiliate teams to maximise traffic and ROI Align digital marketing campaigns with ecommerce sales objectives Support customer retention and loyalty strategies Customer Experience Optimisation Continuously improve website UX and customer purchase journey Analyse user behaviour and identify friction points impacting conversion Implement A/B testing and conversion rate optimisation initiatives Data & Performance Analysis Monitor daily, weekly, and monthly ecommerce KPIs Analyse website traffic, customer behaviour, conversion funnel, and campaign performance Produce insights and recommendations to improve commercial performance Market & Localisation Management Ensure all ecommerce content and campaigns are fully localised for Japanese consumers Monitor local market trends, competitor activity, and customer preferences Collaborate with global teams to adapt international strategies for the local market What We’re Looking For Required Experience: 4+ years experience in ecommerce, digital trading, or online retail management Proven track record driving online revenue growth in ecommerce businesses Strong understanding of ecommerce KPIs including conversion rate, AOV, CAC, retention, and ROAS Experience managing website merchandising and digital trading calendars Strong analytical skills with experience using Google Analytics, Shopify, Adobe Analytics, or similar platforms Experience working cross-functionally with marketing, CRM, and product teams Native or fluent Japanese language skills Strong business-level English communication skills Preferred: Experience working in health, fitness, beauty, lifestyle, or FMCG brands Experience in DTC (Direct-to-Consumer) ecommerce brands Understanding of Japanese digital consumer behaviour and local ecommerce trends Experience with CRO, A/B testing, and UX optimisation What You’ll Bring Commercial mindset with strong revenue ownership mentality Data-driven decision-making skills Entrepreneurial attitude with strong problem-solving ability Passion for ecommerce innovation and digital growth Ability to thrive in a fast-moving international environment Strong stakeholder management and leadership skills   What’s in it for me?   Career Development   Access bespoke development programmes that have been designed and developed by our in-house L&D team.   Develop your expertise through our upskilling programme that is delivered in pa