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 partnership with an industry-leading training provider.

Enhanced Leave

25 days annual leave plus bank holidays.
Don’t want to work on your birthday? We don’t either! Enjoy your day off on us!
Enhanced maternity and paternity pay, depending on length of service.
Up to 10 days compassionate leave.
Buy back up to 3 days each year.
Unlock 2 days volunteer leave after 12 months

Wellbeing Support

Access face-to-face and virtual appointments with our in-house GP.