[Core System Modernization Promotion Lead] Supporting Japan's Largest Print EC's Core System | Accounting, Data Infrastructure, Large-Scale Data Management | Petabyte-Scale Data | Core SaaS Connection | Collaboration with Department/Division Managers | Hybrid Work (1 day/week in office)English summary from Japanese

This role focuses on the operation, improvement, and expansion of the core system's data infrastructure, including data marts. You will be responsible for strengthening the connection with accounting and business systems, potentially leading the technical aspects of core SaaS/ERP implementation. The position involves designing the overall architecture for core systems handling petabyte-scale data and high-load workloads, and conducting design reviews for non-functional requirements.