A business and resource planning developer designs, develops, and maintains business resource planning systems. They analyze business processes, identify gaps, and develop solutions to enhance efficiency. They work on ERP systems like SAP, Oracle, or Microsoft Dynamics, customizing and configuring them to meet business needs. They also handle data migration, system upgrades, and troubleshoot issues. Additionally, they provide training to end-users, ensuring they can effectively use the system. They liaise with various business departments, understanding their needs, and translating them into technical requirements. Their goal is to optimize business operations through effective resource planning and management.