Profil : As a Senior ABAP Developer: • You collaborate with the Business Analyst and the architects to define the solution. • You write technical specifications based on the functional specifications. • You estimate the workload and cost of changes. • You assess the technical impacts of changes on the existing system. • You make the necessary adaptations or developments based on the established specifications. • You ensure service continuity and good maintainability of the solution. • You update the reference documentation. • You develop and execute unit test plans. • You adhere to The Client’s methods, standards, and procedures. Requirements Technical Skills: Your skills: • You have at least 10 years of experience as an ABAP developer (ABAP, ABAP OO). • You have at least 5 years of experience with SAP FIORI. • You have a huge experience with SAP Workflows. • You have previously worked on SAP SD, EWM, MM, FI, CO, PM modules. * You have experience with SAP Web Dynpro. • You have experience with interface middleware. • You have experience with Web Services. • You have experience with Smartforms/Adobe Forms. • You have experience with SAP S/4HANA. • You are fluent in minimum one of the two national languages (Dutch/French) and a passive knowledge of the other one. • You demonstrate good organization and great precision in work. • You show efficiency and flexibility in task execution. • You exhibit listening skills, analytical ability, synthesis, customer orientation, and result orientation. • You have excellent writing and communication skills. • An experience in the energy sector is a plus. Benefits Bruxelles / Hybride Start 06/2026 - End mid 2028