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

Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development. Arηs Group was acquired by Accenture in July 2024. 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. — Published by Arhs Group. Apply on the employer's own posting.