As a Senior SAP Developer at Oerlikon, you will be responsible for designing, building, and optimizing custom developments on SAP ECC, S/4HANA, and BTP to support end-to-end business processes. You will closely partner with functional streams (PTP, D2S/OTC, FICO, PLM) and Technology (Basis/Integration) to deliver robust, secure, and performant solutions aligned with architectural and coding standards. **Key Responsibilities:**
Design, develop, test, and deploy high-quality ABAP solutions within SAP ECC and S/4HANA and end-to-end cloud applications using SAP Business Application Studio (BAS). - Build and optimize CDS Views, AMDPs, BOPF/RAP objects, and OData services for Fiori/UI5 applications. - Enhance and extend standard SAP functionality using User Exits, BADIs, Enhancement Framework, and Custom Objects. - Develop SmartForms, Adobe Forms, ALV reports, Interfaces (IDoc, RFC, REST/JSON). - Conduct performance analysis and tuning of ABAP programs. - Application Development: Design and develop end-to-end cloud applications using SAP Business Application Studio (BAS). - Backend Engineering: Build robust OData services and business logic using the SAP Cloud Application Programming (CAP) Model (Node.js, Java, or Python). - Data Modeling: Create and manage data models using Core Data Services (CDS) and deploy them to SAP HANA Cloud. - Frontend Development: Develop responsive user interfaces using SAPUI5, Fiori Elements, and Fiori Freestyle techniques. - Integration: Implement integrations between BTP applications and backend systems (S/4HANA, ECC) using SAP Destination Service and SAP Cloud Connector. - DevOps & Deployment: Manage application lifecycles using MTA (Multi-Target Applications) archives, Cloud Foundry, and CI/CD pipelines. - Partner with functional consultants (PTP, D2S/OTC, FICO, PLM) and Technology (Basis, Integration). **Qualifications Required:**
Bachelor's in Applied Computer Science, Information Technology, or similar. - Excellent language skills in English are required. - 8+ years of SAP ABAP with at least 3+ years on S/4HANA. - Professional experience in international projects. - Ideally, experience in planning/execution of migration and rollout projects. - Experience with coordinating external partners.