We are seeking a seasoned and strategic Senior Key Account Manager Team to lead and grow our Japanese cross-border seller portfolio across Southeast Asia. This role is pivotal in driving sustainable transaction growth and revenue by building trusted partnerships with high-potential sellers, crafting tailored strategies, and aligning with cross-functional teams to execute initiatives that deliver real business results. As a senior member of the team, you will be expected to take full ownership of seller performance — identifying growth opportunities, diagnosing barriers, and guiding sellers through clear, actionable plans that align both with their capabilities and our broader platform objectives.