ruby English-speaking jobs in Düsseldorf

The Chief of Staff will partner with the CEO and leadership team on strategic initiatives, leading cross-functional projects in operations, hiring, partnerships, fundraising, and execution. This role requires strong problem-solving, ownership, and the ability to translate complex priorities into actionable plans.

Experienced Physiotherapists with a B2 German certification are sought for full-time positions in Germany. Assess, diagnose, and develop personalized treatment plans for patients. Provide physiotherapy treatments and collaborate with healthcare professionals.

Senior Auditor (m/f/d) supports the Internal Audit unit in enhancing and protecting organizational value. Conducts risk-based audits at group companies globally, analyzes business processes, identifies risks, and develops audit programs. Documents work steps, prepares audit results, and communicates findings to senior management.

As a Communications Intern, you will support the Cross Tech team by writing, editing, and creating graphic content. You will also assist with the organization and implementation of internal and external events.

Master's thesis focusing on process analysis and optimization in elastomer injection molding. Analyze existing processes, characterize elastomer materials, and conduct experimental series to identify process improvements.

Manage all aspects of large-scale events for a key pharmaceutical client, from initial briefing to successful delivery. Collaborate with internal and external teams, ensuring adherence to client standards and processes. Monitor timelines and budgets, and operate effectively under pressure.

Support advanced material testing methods for high-voltage battery components. Apply modern analysis methods such as computed tomography, digital volume correlation, and data analysis. Contribute to the design and setup of a CT-compatible test apparatus. Assist with sensor integration and mechatronic aspects of the test setup. Support experiment-simulation correlation for improved material understanding.

Supervise a team of operatives and drivers in a busy freight processing environment. Plan and execute actions to achieve service level targets. Ensure team adherence to safe, secure, and compliant working practices.

Nachhilfeunterricht seeks a passionate Programming Tutor to deliver personalized online lessons to students of all levels.

PhD student position available in functional host-microbiome research. The successful candidate will perform interventional gnotobiotic mouse experiments, analyze gene expression and microbiome data, and characterize HKDC1-dependent processes.

Lead Procurement and Supplier Management for the Packaging category within Direct Procurement. Engage with stakeholders to define requirements for suppliers and ensure procurement target achievement. Develop and execute category strategies, cost optimization initiatives, and long-term sourcing decisions.

Research Assistant (m/f/d) for a fixed-term, part-time position (67% of full-time) at the Institute of Chemistry - Computational Chemistry of Nanomaterials. The position is for 36 months and focuses on electronic structure calculations for material design within the DFG project DISCOFOX.

Tentamus Pharma Company seeks a commercially driven Head of Project Management to lead a cross-site organization. This role is responsible for the commercial performance, revenue recognition, and profitability of project-based business. The ideal candidate will have 8+ years of project management experience within CRO, biotech, or laboratory services and a strong commercial mindset.

As an Associate Account Manager, you will manage relationships with brands, develop growth strategies, and drive operational excellence in the EU fresh and perishable grocery sector. You will analyze data, recommend improvements, and collaborate with stakeholders to optimize brand performance on Amazon.

Provide support to the Kia Europe Sales Team, assisting with projects, data analysis, and strategic initiatives. Support the monitoring and reporting of National Sales Company sales and incentive programs performance. Interact with business units to coordinate and consolidate market-specific data. Develop data visualizations and analysis, transforming complex sales data into clear reports and dashboards. Support the execution of Sales Department events and meetings.

Market Strategy Senior Manager (m/f/d) will analyze market trends, technology roadmaps, and competitive landscapes to develop and implement segment strategies. Requires a Master's degree in a science or engineering field, 10+ years experience in power electronics, and strong analytical and communication skills.

The ifo Institute seeks a Postdoctoral Researcher / Economist to join the Center for Migration and Development Economics. The successful candidate will conduct research on the economics of migration and integration, contribute to policy-relevant solutions, and guide doctoral candidates. Applicants must have a PhD in economics or a related field and proven research experience in internationally recognized journals.

Hatch seeks Electrical Graduates to support global projects. Successful candidates will have a Bachelor or Masters degree in Electrical Engineering, strong communication skills, and the ability to work independently and collaboratively.

Lead the Construction and Engineering facultative practice, placing complex risks globally and driving business strategy. Extensive experience in facultative reinsurance broking and a proven track record of placing large-value risks are required.

Designs, implements, and monitors occupational health and safety policies across sites, ensuring regulatory compliance. Conducts risk assessments, safety audits, and incident investigations. Provides safety training and tracks safety KPIs. Requires knowledge of German and EU occupational safety regulations and standards, including DGUV, Brandschutz, and Arbeitsschutz frameworks.