Senior SAP ABAP Developer (ECC to S/4HANA Transformation)

About the Position

Join ZEISS during one of the largest SAP transformation programs in our environment. You will contribute to the transition from a long-established SAP ECC landscape towards SAP S/4HANA using a brownfield transformation approach. Your work will focus on technical modernization, custom code adaptation, integration topics, system enhancements, and preparing the landscape for future innovations.

This is a pragmatic, hands-on role

alongside transformation work, a meaningful part of the position involves daily support, maintenance, documentation, recurring administrative activities, and the reliable execution of routine technical tasks.

​Your Responsibilities

• Development, enhancement, and support of SAP solutions within SAP ECC and SAP S/4HANA environments.
• Analyze, adapt, and optimize custom developments during and after the ECC to S/4HANA transformation journey.
• Design and implement sustainable technical solutions aligned with ZEISS architecture standards.
• Support global rollout and transformation activities across ZEISS locations.
• Ensure system integrity, compliance, and documentation throughout the application lifecycle.
• Collaborate with business process experts, SAP consultants, and international development teams.
• Contribute to modernization initiatives using current SAP technologies where they provide business value.
• Mentor and support team members in technical topics and development best practices.
• Member of our European Corporate IT SAP Team.

Your Profile

Must Have

• 6+ years of professional SAP ABAP development experience.
• Strong expertise in Classical ABAP and ABAP Objects.
• Experience with Enhancements, BADIs, User Exits, Implicit/Explicit Enhancements, and SAP development frameworks.
• Strong knowledge of interfaces and integration technologies such as RFC, IDoc, OData, SOAP, and REST-based services.
• Experience with CDS Views and modern ABAP development concepts.
• Experience in support, service delivery, and incident resolution.
• Advanced English language skills.
• German language skills at minimum B2 level.

Highly Desirable

• Experience in SAP S/4HANA transformation, brownfield migration, conversion, upgrade, or system transformation projects.
• Experience with Fiori development and Fiori Elements.
• Knowledge of SAP RAP (RESTful ABAP Programming Model).
• Experience with custom code remediation and S/4HANA readiness activities.
• Knowledge of Clean Core and SAP extensibility concepts.

Nice to Have

• Experience with SAP BTP and CAP.
• Experience with Adobe Forms (online and offline).
• Experience with Key User Extensibility and 3-Tier Extensibility concepts.
• Understanding of ITIL processes.
• Experience with project management methodologies.
• Interest in emerging SAP technologies and continuous learning.

What we offer

Competitive compensation and a wide range of benefits, including:

• 40-60% Hybrid Work Option
• Continuous development with access to numerous training courses, including technical skills, soft skills and language skills
• Dynamic and interdisciplinary team
• Individual development perspectives and a challenging role with end-to-end responsibility
• Ability to directly deliver solutions into real, innovative products

Your ZEISS Recruiting Team

Fedor Fanni