Design and implement backend services, APIs, and integration components
Build and evolve the BFF / SAP façade between frontend and backend systems
Integrate and orchestrate data flows across SAP Commerce, ePIM, ERP, CMS, and other enterprise platforms
Define and implement robust API contracts, clean data mappings, and reliable error handling within assigned scope
Analyze and resolve complex technical issues across system boundaries
Support backlog refinement by translating business requirements into clear backend implementation tasks
Promote maintainable code, sound engineering practices, and high technical quality through example, reviews, and guidance
Collaborate closely with Solution Architects, Frontend engineers, Platform / DevOps engineers, QA, the Product Owner, and implementation partners
Define and support end-to-end testing strategies across unit, functional, and integration testing, and support business-led UAT readiness and defect resolution
Document technical designs, architectural decisions, and system changes, and support release governance and readiness processes before production rollout
Collaborate with vendors and external service providers, validate changes, and monitor performance against agreed technical KPIs
Provide 2nd and 3rd level support for backend and integration topics in line with ITIL-based support processes

Graduate degree in Computer Science, Software Engineering, Mathematics, Statistics & Modeling, or a comparable field
8+ years of professional experience in backend engineering and system integration
Proven experience in complex IT environments with a focus on backend engineering, enterprise integration, and API development
Solid hands-on experience with Java / Spring or comparable enterprise backend technologies
Strong understanding of REST APIs, JSON/XML, service orchestration, and error handling
Experience integrating enterprise platforms such as eCommerce, PIM, ERP, CMS, or similar systems
Experience with SAP Commerce Cloud and BFF / aggregation layer patterns is a strong advantage

Senior Integration Engineer, Backend – E Commerce

Key skills