Senior Software Engineer – SAP Integrations

THE ROLE & THE TEAMAs a Senior Software Engineer specialising in SAP Integrations, you will be a core member of our in-house ERP Engineering team, responsible for designing, building, and operating modern integration solutions across our SAP S/4

HANA landscape. You will work exclusively with modern cloud integration and API-led connectivity — no legacy point-to-point middleware. You will own integration solutions end-to-end: from design and development through to production operation, monitoring, and continuous improvement. You will collaborate closely with Product Management, platform teams, and external stakeholders to deliver integrations that are performant, scalable, and compliant.

ERP Engineering is part of the Zalando Technology Foundation, which builds and operates Zalando's core business platform. Our team owns the ERP landscape, integrating SAP S/4

HANA tightly with internal platforms and external partners. We work at pace, value technical excellence, and take full ownership of what we ship.

Design, build, and operate scalable cloud-native integration solutions on SAP BTP Integration Suite — connecting SAP systems (S/4

HANA, Success Factors, Ariba) and third-party platforms (Salesforce, Workday, Service Now) using API-led connectivity, pre‑built iFlows, and event‑driven patterns via SAP Event Mesh.

Own production health end-to-end — monitoring, alerting, SLOs, incident response — while ensuring all integrations meet GDPR, security, and compliance requirements.

Collaborate closely with Product Management and stakeholders to clarify requirements, share knowledge across the team, and ship high‑quality, maintainable integration flows in small, safe iterations.

Expose and consume OData and REST APIs from SAP backends.

Secure, throttle, and monitor APIs centrally using SAP API Management.

Leverage SAP Graph as a unified semantic layer to simplify multi‑system data access.

Design and implement real‑time, event‑driven integrations using SAP Event Mesh and Advanced Event Mesh.

Migrate batch‑based integrations to event‑driven patterns where appropriate.

Architect reliable event flows with guaranteed delivery, deduplication, and error handling.

Build integrations with non‑SAP SaaS applications using pre‑built adapters and Open Connectors.

Handle data model mapping across heterogeneous systems without custom code where possible.

Own the production health of your integrations — monitoring, alerting, SLOs, and incident response.

Conduct and participate in code and design reviews.

Ensure integrations meet GDPR, security, and compliance requirements.

Work autonomously and act as a trusted, reliable team member.

Share knowledge and support colleagues through pairing and hands‑on guidance.

Collaborate with Product Management and stakeholders to clarify requirements and surface trade‑offs early.

• Hands‑on experience with SAP BTP Integration Suite
• Proficiency with SAP Business Accelerator Hub — deploying and configuring pre‑built integration content
• Strong experience with SAP API Management — API policies, security, throttling, monitoring
• Experience designing and implementing event‑driven architectures using SAP Event Mesh or Advanced Event Mesh
• Solid understanding of OData, REST, SOAP, and messaging protocols (AMQP, Kafka, or equivalent)
• Experience integrating SAP systems (S/4
  
  HANA, Success Factors, Ariba) with third‑party SaaS platforms
• Knowledge of GDPR and security best practices in integration design

• Experience with SAP Graph
• Familiarity with SAP S/4
  
  HANA data models and standard APIs
• Experience migrating from…