As a Senior Consultant for E-Commerce, Performance Marketing & Retail Media at Havas Media, you will be part of the expert team, focusing on developing clients' businesses on digital marketplaces, particularly Amazon, and their own brand websites. You will be responsible for leading client projects, coordinating strategic planning, operational implementation, and reporting. Your responsibilities will include identifying growth potential for clients in e-commerce and developing action plans. You will also contribute to new business acquisition by researching, analyzing, and developing e-commerce and performance marketing strategies during pitches.