Ecommerce Manager Japan – THG Nutrition | Myprotien

Overview

As Ecommerce Manager Japan, you will own Japan’s ecommerce performance and customer journey to deliver best-in-class online execution. You will shape the growth strategy, optimize merchandising and UX, and collaborate with marketing and product teams to drive revenue. You’ll work with local and global teams to adapt strategies to the Japanese market and localisation needs. This role offers a hands-on, cross-functional leadership opportunity in a fast-moving international business with a clear growth trajectory.

Pay / Benefits

• 25 days annual leave
• enhanced maternity and paternity pay
• state-of-the-art on-site gym
• up to 50% staff discount on THG brands
• on-site staff shop
• refer a friend bonus up to 1000

Responsibilities

• 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
• Manage day-to-day trading performance across the Japanese ecommerce platform
• Optimize product merchandising, site navigation, and landing pages
• Build promotional calendars aligned with seasonal campaigns and product launches
• Partner 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
• 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
• 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
• 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

Key requirements

• 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

• cross-functional collaboration
• stakeholder management
• data-driven decision-making
• Google Analytics
• Shopify
• Adobe Analytics

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