ruby English-speaking jobs in Düsseldorf

Postdoctoral researcher to advance in situ µCT experiments at PETRA III, focusing on fatigue of magnesium-based implants. Responsibilities include improving tensile testing setups, enhancing tomographic reconstruction methods, and implementing multimodal measurement workflows. PhD in Physics/Computer Science or similar required, with hands-on experience in experimental control and programming skills.

Senior Data Engineer will architect data flow solutions, design data layers, and develop ontologies to translate domain logic into queryable graph models. Responsibilities include implementing scalable data pipelines, integrating LLM-driven workflows, and defining data integrity standards. Requires 5+ years of experience building production-grade data products, proficiency in Python, SQL, and cloud infrastructure, and experience with graph databases and semantic modeling.

Purchasing & Facility Coordinator needed for a dynamic company. Responsibilities include managing purchase orders, contracts, and supplier relationships, coordinating facility services, and supporting office operations. Requires a background in purchasing, procurement, or a related field, at least 3 years of experience, and fluency in German and English.

The Interface and Integration Engineer for Research Facilities will coordinate technical and scheduling matters between scientific departments, construction project participants, and project management for the NUSTAR experimental program at GSI/FAIR. Responsibilities include coordinating installation planning and execution of NUSTAR components, supporting experimental and technical infrastructure planning, and managing interfaces between NUSTAR equipment and the Super-FRS facility.

IT Specialist for System Integration will plan, install, and configure IT systems and networks. Responsibilities include server and client administration, troubleshooting, user support, and system monitoring. Requires a completed IT specialist training or comparable qualification and knowledge of operating systems, network technologies, and IT security.

Hardware Project Manager for the Power System and Cooling area. Design, development, and characterization of new system elements. Execution and evaluation of qualification tests.

Brand Management graduate role with responsibility for product and commercial innovations, marketing elements, and brand strategy. Develop marketing concepts and tactics based on consumer, shopper, and customer insights.

Cloud Engineer needed for operation, monitoring, and development of Azure-based cloud services. Building, maintaining, and optimizing CI/CD pipelines. Enhancing cloud architecture, collaborating on technical issues, and supporting customers with cloud deployments. Requires a degree in computer science or related field, experience with Microsoft Azure, CI/CD pipelines, container technologies, and SAP-related integration scenarios.

Senior Legal Counsel to advise Delivery Hero on global employment law challenges related to platform work. Lead platform worker classification risk management, monitor litigation, and support the development of delivery solutions.

Contract Installation Manager to oversee Army's Transition Assistance Program (TAP) operations in Vilseck, Germany. Manage staff, ensure program delivery, and maintain compliance with contractual obligations. Master's degree preferred, two years experience in career counseling or related field required.

NTU International seeks IT Experts to support digitalization of business and regulatory environments for the GIZ Global Gateway Investment Climate Reform Facility. Experts will advise on e-government systems, digital investment tools, and ICT-related reforms.

Support the chief engineer office in budgeting and program control for the Eurodrone project. Update scheduling in the Unified Planning Tool (UP) and support execution of annual budgets.

Junior Software Developer will work in a team to implement IT projects, optimize IT processes, and develop travel-specific IT systems. Responsibilities include analyzing the status quo, designing KPIs, implementing optimizations, and supporting personnel development measures. Requires a university degree in a relevant field and proficiency in at least one programming or scripting language. Strong analytical, problem-solving, and communication skills are essential.

The Pre-Sales Industry Expert – Life Sciences helps customers understand how Critical Manufacturing MES supports regulated and high-mix manufacturing environments. You will analyze customer processes, propose solution approaches, and deliver tailored product demonstrations. You will also support opportunity qualification, respond to technical questionnaires, and collaborate with Sales, Product, and Delivery teams.

Deliver groceries to customers efficiently by e-scooter or e-bike. Meet and exceed delivery targets while providing exceptional customer service. Earn at least €13.90 per hour plus tips.

Leads, manages, and decides on all global customs & export control topics, ensuring compliance with regulations and tax laws. Directs legal changes and emerging trends in global trade legislation. Operates import-export activities, tariff classifications, and AEO certification. Implements global customs procedures and coordinates corrective actions. Manages audits, trains, and maintains customs & export control knowledge across the organization.

Build and own Vesoma's supply chain from prototyping to mass production. Identify, assess, and qualify suppliers for robot components, manage relationships, and drive cost optimization. Partner with engineering and manufacturing to align sourcing with production timelines and BOM evolution.

As a Sales Development Representative, you will identify and engage potential customers, build and optimize outbound campaigns, and collaborate with the Sales team on lead generation activities. You will analyze market trends, develop messaging strategies, and manage outreach, CRM, and automation tools.

As a Technical Sales Engineer, you will act as a bridge between engineering, product management, sales, and customers, translating complex technical topics into clear, value-driven messages. You will support local sales teams with technical proposals and negotiations, share knowledge through training and communication, and engage with key customers.

Senior HR Business Partner will partner with regional leadership to develop and implement HR solutions for organization effectiveness, talent development, and employee engagement. This role will contribute to HR strategy, manage programs, and serve as an internal consultant on HR issues.