Backend Developer - ERP

Hamburg

Full-time

Permanent employee

Your mission

We are seeking an experienced and motivated SAP S/4HANA Backend Developer to join our dynamic IT team. In this role, you'll be responsible for designing, developing, and maintaining robust and scalable solutions on the SAP S/4HANA platform. You will leverage modern ABAP programming paradigms, HANA-native capabilities, and the latest development models to build high-performance applications that support our core business processes.

Key responsibilities:

Design & Development: Design, build, test, and deploy custom backend solutions using ABAP on HANA, including Object-Oriented ABAP, Core Data Services (CDS) views, and ABAP Managed Database Procedures (AMDP).
API & Service Creation: Develop and maintain OData services to support SAP Fiori applications and other integrations using the ABAP RESTful Application Programming Model (RAP) and other relevant frameworks.
Enhancements & Customizations: Implement custom logic and extensions using BAdIs, user exits, and the enhancement framework to meet specific business requirements.
Performance Optimization: Analyze and optimize application performance by leveraging SAP HANA's in-memory capabilities and ensuring efficient data modeling.
Collaboration & Support: Work closely with functional consultants, Fiori/UI5 developers, and business stakeholders to translate requirements into technical specifications. Provide technical support, troubleshooting, and debugging for complex backend issues.
Code Quality: Conduct code reviews, adhere to development best practices, and maintain comprehensive technical documentation.

Your profile

Required:

Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field.
3+ years of hands-on experience in ABAP development, with demonstrated project experience on the SAP S/4HANA platform.
Strong proficiency in Object-Oriented ABAP.
Proven experience developing with Core Data Services (CDS) views and AMDPs.
Experience in creating and extending OData services.
Solid understanding of the SAP S/4HANA architecture and data model.
Excellent analytical, problem-solving, and communication skills.

Preferred:

Hands-on experience with the ABAP RESTful Application Programming Model (RAP).
Knowledge of the SAP Business Technology Platform (BTP) and its services.
Familiarity with SAP Fiori/UI5 development concepts.
Experience working in an Agile/Scrum development environment.
Functional knowledge in one or more SAP modules (e.g., FI, CO, SD, MM, EWM).
Relevant SAP certifications are a plus.

Why us?

At Zellerfeld, we’re revolutionizing the footwear industry with cutting-edge 3D printing technology, and we want you to be part of this transformation. Our team is made up of engineers, designers, entrepreneurs, and innovators who thrive in a collaborative environment where every voice matters. We value contrarian thinking, humility, and continuous self-improvement, fostering a culture of innovation without rigid hierarchies. Diversity and inclusion are at our core—we focus on skills and passion, not labels. By joining us, you’ll help shape the future of sustainable, ethical footwear and make a lasting impact on the industry. Let’s build the future together!

About us

Zellerfeld is revolutionizing the footwear industry with the world’s first 3D-printing technology for fully customizable shoes. Our goal is simple: printed shoes on every foot. We’re a passionate team of engineers, designers, and innovators, questioning the status quo and disrupting traditional manufacturing processes. Backed by founders, influencers, and celebrities who believe in our vision, we’re committed to making a lasting, positive impact—not just on the footwear industry, but on the world.