ruby English-speaking jobs in Düsseldorf

Lead Data Engineer needed to design, build, and evolve scalable data platforms. Guide project teams, translate business needs into data solutions, and optimize data workflows. Requires 7+ years experience in data solutions, platforms, and interfaces, strong data modeling expertise, and experience with cloud-based data platforms. Fluency in German (C1 level) and English is required.

Accountant Treasury prepares cash forecasts, monitors bank balances, and oversees outgoing payments. Responsibilities include processing transactions, monitoring FX risks, and supporting reporting within an international corporate environment.

Experienced UX/UI Designer needed for AI-driven interface design. Responsibilities include building design systems, creating prototypes, and designing intuitive UIs for AI features like conversational interfaces and data dashboards. Requires strong project experience in AI environments and Figma.

The ION Endoluminal Sales Representative supports early adoption of the Ion platform for robotic minimally invasive care in lung biopsy. This role involves building user programs, driving utilization, and becoming a clinical expert in relevant specialties. Fluent English and German are required.

Mechanical Engineer for Helicopter Maintenance Design for Airbus. Responsibilities include conducting Maintainability and Human Factors analyses, ensuring compliance, and developing design solutions. Requires studies in Aerospace or Mechanical Engineering.

Process Engineer will provide technical expertise across vaccine production facilities, optimizing performance in areas such as utilities, fermentation, freeze drying, aseptic filling, and packaging. Responsibilities include leading process improvement initiatives, managing deviations and change controls, and resolving complex process or equipment issues.

The Deployment, Associate configures, tests, and prepares POS and credit card equipment for deployment. Responsibilities include inventory management, order fulfillment, and device refurbishment. Requires strong German skills and attention to detail.

PhD Student role at European XFEL focusing on Fe-bearing materials study using high photon energy X-ray scattering. Involves R&D and developing dynamic compression experiments. Requires relevant Master's degree and interest in large-scale experimental work.

Senior Business Analyst for Grocery & Retail in Germany. Lead analytics strategy, perform deep-dive analysis using SQL, and drive G&R growth through cross-functional collaboration. Requires 4+ years in retail/grocery analytics.

Senior Brand Designer role in a globally respected brand studio. This hands-on position focuses on creating sharp, distinctive brand identities, requiring expertise in symbolism, typography, and art direction. The role involves client presentations and team collaboration.

Teach programming online at your own pace. Deliver personalized lessons to students of all levels. Strong communication and teaching skills required.

Conduct research on satellite-to-vehicle communication solutions based on 6G networks. Develop and implement algorithms for handover mechanisms between terrestrial and non-terrestrial networks. Validate concepts through simulations or prototypes. Contribute research to 3GPP studies and working groups.

Ideate and write at least four long-form YouTube scripts weekly for a business niche channel. This role requires strong research, creative ownership, and the ability to analyze video performance.

Working Student (m/f/d) to support the Marketing team in project management, social media management, and content creation. Responsibilities include managing communications overviews, assisting with marketing campaigns, and overseeing social media content.

Senior Product Development Engineer for Valvetrain components. Create designs, run analysis, and drive project activities from prototype to industrialization. Requires Master's in Mechanical Engineering and fluency in German and English.

Senior Consultant or Project Manager in Process Industry (Pharma & Chemicals). Analyze data, develop strategic recommendations using game theory, and drive client solutions. Requires relevant experience and strong analytical skills.

Drive AI transformation by initiating and implementing concrete AI use cases. Analyze business processes, translate improvements into actionable concepts, and bridge units across strategy and management. Requires 2+ years of experience and fluency in German and English.

Lagerist role involving receiving, preparing, building, wrapping, sorting, and transporting inventory. Duties require lifting up to 15kg and working in various conditions. Candidates must be 18+ and proficient in German and/or English.

Internship in Brand Innovation & Communication for Fabric Care EU. Involves product innovation, project steering, market analysis, and developing communication assets. Requires business studies background, English fluency, and strong analytical skills.

This role owns global sales reporting, transforming complex sales data into insights for management. You will build dashboards in Power BI and Tableau, bridging Sales, Finance, and IT. Requires a degree in a relevant field and experience in Sales Finance or Business Analysis.