784 ux stepstone germany English-speaking jobs in North Rhine-Westphalia

Postdoc role combining operando Synchrotron XAS and AI for LOHC (De)hydrogenation catalysts. Research involves catalyst synthesis, reactor design, multimodal characterization, and AI data analysis. Requires a PhD in a relevant science.

Postdoc role in electrochemical promotion of liquid-phase thermocatalysis within the SNU/FZJ Energy Fellow Program. Research involves designing electrochemical systems to promote thermocatalytic reactions. Requires a PhD in a relevant science and strong English skills.

Postdoc research on spatial stabilization of single-site catalysts for hydrogen storage and release. Develop structured porous supports and investigate confinement effects on catalytic function. Requires a PhD in a relevant science and strong English skills.

Postdoc research in LOHC dehydrogenation studying catalyst restructuring and degradation using Correlative In Situ Electron Microscopy and Operando X-ray techniques. Requires a PhD in a relevant science and experience in energy science.

Postdoc research in catalytic pathways via atomic-scale active site design. Focus on synthesizing catalysts, tracking active sites using in situ/operando X-ray methods, and translating insights into improved catalyst performance.

Postdoc research in the SNU/FZJ Energy Fellow Program focusing on atomically precise metal cluster catalysts for LOHC dehydrogenation. The role involves synthesizing and evaluating catalysts for high activity and stability.

Senior ML Engineer to build Retail Media from the ground up. Design, develop, and operate production-grade ML systems for ranking, segmentation, and optimization. Requires experience with production ML systems and retail media or recommender systems.

Senior iOS Developer for AdTech to build next-gen Retail Media experiences. Drive scalable architecture using Swift, SwiftUI, and MVVM. Focus on performance, testing, and CI/CD for millions of users.

Build a new integration platform from scratch using Workato and SAP BTP. Configure platforms, develop integrations, connect SAP and non-SAP systems, and establish deployment and monitoring.

Lead technical direction for next-gen AI software platforms across embedded/edge computing. Drive AI software architecture, model deployment, compiler ecosystems, and hardware/software co-design. Requires deep expertise in AI, compilers, and heterogeneous systems.

Define and evolve enterprise analytics architecture across Microsoft Fabric and Databricks. Architect scalable data models, establish governed metrics layers using DBT, and enforce data governance.

IT Consultant SAP FI/CO to shape finance system transformation towards SAP S/4HANA. Responsibilities include analyzing, designing, and implementing end-to-end FI/CO processes in ECC & S/4HANA.

Build and operate ML/AI solutions in production, bridging data science and software engineering. Develop Python code, manage CI/CD pipelines, and implement model versioning and monitoring using tools like Kubernetes and MLflow.

Senior AI Engineer to build scalable ML and Generative AI systems for digital healthcare. Own end-to-end AI initiatives, developing production-ready pipelines and driving technical roadmaps.

Senior Developer Relations Manager to engage software companies on NVIDIA's AI and computing platforms. This role requires deep technical expertise in agentic AI and GPU-accelerated computing to drive product integration.

Design and optimize scalable, resilient hybrid architectures using Microsoft Azure and on-premise virtualization (VMware/Proxmox). Translate business needs into cloud and infrastructure solutions while ensuring security and cost-effectiveness.

Build shared authentication and authorization capabilities for enterprise software. This hands-on role requires platform engineering, automation, and experience with infrastructure as code, Kubernetes, and identity systems.

Build intelligence for session/memory models, retrieval, and agentic flows. Develop document intelligence, handle speech/image input, and build evaluation harnesses. Requires Go/Python, multi-tenant SaaS, and GenAI/RAG experience.

Design, develop, test, and operate core APIs for Zalando Payments. Build scalable solutions using microservices on AWS, adhering to high fintech standards. Experience with Java/Spring Boot is ideal.

Junior Software Engineer to develop backend services in the Inventory domain for Fulfillment Core. Collaborate on product strategy and build scalable solutions for Zalando's fulfillment process. Proficiency in a Java-based language is required.