SAP ABAP Developer (E-Invoicing) - Fully Remote - Europe

Freelance/Contract SAP ABAP Developer (E-Invoicing) - Remote - Europe Location Remote Engagement Type On-Demand Contractor Work Arrangement 0-20 hours per week Work assigned based on project demand Flexible, as-needed engagement model Long-term opportunity for the right consultant Position Summary We are seeking an experienced SAP ABAP Developer to provide on-demand development and support services across SAP landscapes. The successful consultant will support enhancement, integration, compliance, and maintenance activities, working closely with functional and technical teams to deliver high-quality SAP solutions. A key focus of this role will be supporting Poland eInvoicing (KSeF) requirements, including integration development, XML processing, compliance validation, and submission management. Key Responsibilities Design, develop, and maintain SAP ABAP objects including Reports, Interfaces, Conversions, Enhancements, Forms, and Workflows (RICEF). Develop and support integrations using IDocs, RFCs, OData services, APIs, and web services. Translate business and functional requirements into scalable technical solutions. Troubleshoot and resolve production issues, performance bottlenecks, and integration failures. Support SAP enhancement and compliance initiatives, including country-specific regulatory requirements. P...