Senior SAP HCM & fiori technical expert - Freelance

Taux journalier (TJM): TJM HT max 700 € (hors éventuels frais de mission, à discuter avec le client)

Senior SAP HCM & Fiori Technical Expert

Location: Brussels, Belgium

Work arrangement: On-site presence up to 5 days per week

Languages: French (C-level), English (B2 minimum)

Mission

We are looking for an experienced SAP HCM & Fiori Technical Expert to support the development, maintenance and continuous improvement of HR applications.

The consultant will play a key role in SAP Employee and Manager Self-Services (ESS/MSS), Time Management, Time Registration and Payroll solutions, ensuring high-quality technical delivery and seamless integration with existing systems.

Key Responsibilities

• Analyse functional requirements and translate them into technical specifications and solutions.

• Develop, customise and maintain SAP HR and Fiori applications.

• Manage and enhance Employee and Manager Self-Service (ESS/MSS) applications.

• Support SAP Time Management, including negative, positive and quota calculations.

• Maintain and improve SAP Time Registration and Payroll functionalities.

• Design, develop and maintain interfaces with external and legacy applications.

• Deliver technical developments, change requests and bug fixes from end to end.

• Coordinate new SAP Fiori application releases, including scope, delivery, testing and user adoption.

• Contribute to technical architecture, platform improvements and application governance.

• Work closely with functional analysts, HR stakeholders and technical teams.

Required Profile

• Higher education degree.

• More than 15 years of relevant professional experience.

• Minimum 5 years of experience in SAPUI5 / Fiori development.

• Minimum 3 years of experience in SAP HR Time Management (negative, positive and quota calculations) and Time Registration.

• Strong expertise in SAP ESS/MSS Fiori applications.

• Good knowledge of SAP Payroll and payroll posting processes.

• Strong ABAP development skills, including ABAP OO.

• Experience with ABAP Workbench, RAP, CDS, AMDP, IDoc, ALV Grid and ABAP Web Dynpro.

• Experience with SAP integrations, Web Services, OData, SOAP, XML, JSON and REST.

• Knowledge of SAP S/4HANA and CDS/VDM concepts is an advantage.

Languages

• Dutch or French at native or C-level proficiency.

• The other national language at minimum B2 level.

• English at minimum B2 level.