SAP Technical Consultant – S/4HANA & ABAP (m/f)

ARHS Group, part of Accenture, is looking for an experienced SAP Technical Consultant to join one of our client teams in Luxembourg within a public sector environment.

In this role, you will contribute to the modernization and continuous improvement of an SAP S/4HANA environment, developing and integrating technical solutions using ABAP, SAP Fiori, and modern SAP technologies. You will work on transformation projects, application enhancements, and expert support activities, with a strong focus on SAP standards, Clean Core principles, performance, security, and maintainability.

THE WORK:

• Analyze technical and functional requirements, assess SAP incidents, and collaborate with functional consultants to define appropriate solutions.

• Design, develop, and maintain ABAP and ABAP Objects solutions within SAP S/4HANA.

• Develop and enhance SAP Fiori applications using SAPUI5, Fiori Elements, and the ABAP RESTful Application Programming Model (RAP).

• Build and maintain CDS Views, OData services, APIs, BAPIs, BAdIs, and SAP integration interfaces.

• Develop and support integrations using IDoc, RFC, Web Services, and other integration technologies.

• Prepare technical specifications, estimate development efforts, and maintain technical documentation.

• Perform unit testing, debugging, code quality checks, and performance optimization.

• Apply SAP development best practices, Clean Core principles, security standards, and authorization requirements.

• Support transports, deployments, Level 3 incident resolution, and post-production activities.

• Collaborate with functional, technical, security, and architecture teams, ensuring knowledge transfer and continuous improvement.

Onsite at client site: This role requires an onsite presence with our clients and partners to support project delivery and strengthen collaboration.

Our roles require in-person time to encourage collaboration, learning, and relationship-building with clients, colleagues, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs.

HERE’S WHAT YOU’LL NEED:

• Minimum 3 years of professional experience in SAP S/4HANA technical development.

• Advanced experience with ABAP, ABAP Objects, performance optimization, and SAP development best practices.

• Strong knowledge of SAPUI5, Fiori Elements, extensions, and SAP Fiori UX principles.

• Experience with ABAP RAP, Business Objects (BO), Behavior Definitions (BDEF), and OData V4.

• Strong knowledge of CDS Views, Virtual Data Models (VDM), Data Control Language (DCL), annotations, and SAP HANA code pushdown.

• Experience with APIs, BAPIs, BAdIs, IDoc, RFC, Web Services, and file-based integrations.

• Experience with unit testing, ABAP Test Cockpit (ATC), Git, code quality practices, and technical documentation.

• Good understanding of requirements management, testing, transports, and deployment processes.

• Knowledge of SAP authorizations (PFCG/DCL), least-privilege principles, and secure development practices.

• Strong experience in Level 3 incident analysis, debugging, tracing, and performance optimization.

• Ability to collaborate effectively with functional and technical teams.

BONUS POINTS IF YOU HAVE:

• Experience with Adobe Forms, Smart Forms, or equivalent technologies.

• Knowledge of SAP BTP, Business Application Studio (BAS), Cloud Connector, and SAP integration principles.

• Familiarity with SAP Analytics Cloud (SAC), SAP Datasphere, or cloud integrations.