Ecommerce Media Manager – Japan Market

• Position: Ecommerce Media Manager – Japan Market

• Reporting Manager: Global eCommerce SEA lead

Opella is the self-care challenger with the purest and third-largest portfolio in the Over-The-Counter (OTC) & Vitamins, Minerals & Supplements (VMS) market globally.   

Our mission is to bring health in people's hands by making self-care as simple as it should be. For half a billion consumers worldwide – and counting. 

At the core of this mission is our 100 loved brands, our 11,000-strong global team, our 13 best-in-class manufacturing sites and 4 specialized science and innovation development centers. Headquartered in France, Opella is the proud maker of many of the world's most loved brands, including Allegra, Buscopan, Doliprane, Dulcolax, Enterogermina, Essentiale and Mucosolvan.  

As a globally certified B Corp company, we are active players in the journey towards healthier people and planet. Find out more about our mission at  

Key responsibilities

Strategy and planning

• Define and lead ecommerce media strategy for the Japan market across Amazon (and other retail platforms if relevant) for search and DSP.

• Translate shopper behavior, category & brand insights, and platform trends into tailored media plans

• Identify new growth opportunities and inform investment decisions with data-driven rationale

• Forecast, allocate, and optimize media budgets in alignment with performance KPIs and evolving market dynamics.

Campaign & budget guidance and collaboration

• Support keyword strategy development, including Japanese-language research and seasonal prioritization

• Collaborate with the Hyderabad CoE team to align strategy with execution across all campaign touchpoints

• Provide brand, category, and campaign context to ensure strategic consistency in execution

Stakeholder alignment and knowledge sharing

• Work closely with local teams (sales, marketing) to integrate media plans into the broader commercial agenda

• Ensure continuous alignment with global retail media media teams on strategy, tools, and performance benchmarks

• Support knowledge transfer through regular category updates and best practice sharing with internal partners.

Performance reporting and optimization

• Deliver regular performance reports with actionable insights and clear next steps

• Monitor market activity and competitor trends to inform media adjustments and innovation opportunities

• Recommend and implement continuous optimizations based on campaign performance.

Qualifications and experience

Ecommerce and media expertise

• Proven experience in ecommerce media strategy, planning, and execution, with a strong understanding of Amazon Ads both on search and DSP

• Experience in performance marketing and media budget optimization

Market knowledge and analytical skills

• Strong understanding of the Japan ecommerce ecosystem, shopper behaviors, and retail media dynamics

• Skilled in analyzing data to generate insights and drive decision-making

Communication and collaboration

• Ability to collaborate effectively with remote teams across markets and functions

• Fluency in Japanese and English, both written and spoken is a must

Other considerations

• Familiarity with local advertising regulations and platform-specific compliance in Japan in healthcare will be a plus

• Experience working in an in-house media setup or transitioning from external to internal capabilities is a plus.

Why us? 

At Opella, you will enjoy doing challenging, purposeful work, empowered to develop consumer brands with passion and creativity. This is your chance to grow new skills and be part of a bold, collaborative, and inclusive culture where people can thrive and be at their best every day. 

We Are Challengers. 

We are dedicated to making self-care as simple as it should be. That starts with our culture. We are challengers by nature, and this is how we do things: 

All In Together: We keep each other honest and have each other's backs. 

Courageous: We break boundaries and take thoughtful risks with creativity. 

Outcome-Obsessed: We are personally accountable, driving sustainable impact and results with integrity. 

Radically Simple: We strive to make things simple for us and simple for consumers, as it should be. 

Join us on our mission. Health. In your hands.