We're seeking a strategic and experienced Marketing Manager to own the onsite marketing roadmap and drive integrated marketing strategy and execution for Amazon Japan's Seller Service Softlines (3P SL) business, representing billions of annual Gross Merchandise Value (GMV) and serving hundreds of thousands of sellers. This role will serve as the strategic Point of Contact (POC) of 3P SL Marketing team and collaborate across other teams to lead the development of a comprehensive year-round marketing calendar with campaigns execution that drives traffic growth to 3P SL ASINs through integrated campaign planning, experimental program launches, and systematic optimization of Amazon's owned marketing channels.

Key job responsibilities
Strategic Planning & Coordination
• Own the 3P SL Marketing roadmap, defining quarterly priorities that maximize traffic to 3P SL ASINs
• Develop integrated year-round marketing calendar coordinating peak events, evergreen programs, and experiments
• Partner with Retail Softline Marketing team to ensure integrated planning and execution for synergized customer experience and total Softline business optimization
• Balance competing priorities across internal and external partners in a rapidly changing environment

Campaign Development, Testing and Scaling
• Design, test, and launch new onsite marketing campaigns to test new marketing concepts, audience targeting, channels, and messaging strategies that drive measurable seller traffic growth
• Establish test-and-learn frameworks to continuously experiment with new marketing approaches and iterate based on performance data
• Scale winning campaigns and marketing concepts across seller segments, creating repeatable playbooks and documented best practices
• Generate compelling case studies and success stories regularly that demonstrate quantified business impact with clear metrics and learnings
• Communicate strategy, findings, and recommendations effectively, both verbally and in writing, to stakeholders and senior management up to senior leadership

Onsite Traffic Optimization
• Own all onsite traffic drivers (email, push notifications, gateway placements, store merchandising, etc.)
• Conduct weekly funnel analysis to identify gaps, provide insights on gaps to topline goals and prioritize optimization opportunities
• Drive customer lifecycle management activities including acquisition and retention to accelerate growth

Work efficiency and channel optimization
• Create and lead new initiatives for driving existing onsite channels to further maximize growth for 3P SL sellers
• Leverage Gen AI tools (e.g., content generation, image creation, campaign optimization) to increase marketing production efficiency by 20% while maintaining quality standards

Analytics & Insights
• Use data and customer research to inform strategy and measure campaign effectiveness
• Analyze customer cohorts and drive initiatives to improve growth in key segments
• Build reporting mechanisms that communicate actionable insights

A day in the life
You'll analyze campaign performance data in the morning, identifying opportunities to optimize onsite traffic drivers like email, push notifications, and gateway placements. You'll collaborate with other teams across Retail and 3P, to coordinate integrated campaigns and quarterly priorities. Your afternoons focus on designing experiments, scaling successful concepts, and leveraging Gen AI tools for efficient content creation. You'll present findings to senior leadership and translate insights into actionable strategies that drive measurable traffic growth for hundreds of thousands of third-party Softlines sellers on Amazon Japan.

About the team
The Japan Seller Service Softline Marketing team is responsible for driving growth and success for 3P SL sellers on Amazon Japan. We work at the intersection of seller success and customer experience, developing innovative marketing strategies that benefit both customers and sellers. Our team values experimentation, data-driven decision making, and cross-functional collaboration.