ruby English-speaking jobs in Düsseldorf

Scientist will lead tissue-clearing and 3D imaging projects, execute clearing, staining, imaging, and analysis workflows, and operate light-sheet microscopy pipelines.

Provide travel support to B2B customers via chat, phone, and email. Manage bookings, analyze customer needs, and handle complex itineraries.

Master thesis on modeling multiuser detection in asynchronous random access systems using spread spectrum techniques. Focus on developing an Approximate Message Passing framework to reduce computational complexity while maintaining near-optimal performance.

Prepares and cooks food according to recipes, quality standards, and presentation standards. Maintains food logs and ensures the quality of food items. Communicates with the Chef and Food & Beverage service staff. Assists with employee hiring, training, and scheduling.

Teamlead HR Operations will manage and oversee all HR operations for IronMaxx Nutrition, a German sports nutrition company.

Intern will support the development of global retail assortments, analyze consumer and market data, and collaborate with international stakeholders to shape customer experiences.

Description Charlotte Tilbury is currently recruiting Freelance Brand Experts to join the team. This position will be part of the Charlotte Tilbury freelance Brand Expert team. As a member of the Charlotte Tilbury Freelance Brand Expert team you will need strong artistry, sales and service talents.

Alvarez & Marsal seeks Senior Associates/Directors with expertise in S&OP, digital transformation, and AI-enabled operations. This role focuses on leading large-scale transformation programs for private equity-backed portfolio companies, driving end-to-end value creation across the value chain.

Plans, develops, and executes fire protection, certification, EMS, and physical fitness training programs. Conducts structural and live-fire exercises, manages training facilities, and coordinates with USAG, military, and Host Nation partners. Delivers instruction, monitors instructors, conducts post-exercise critiques, and maintains training records. Provides technical guidance on fire laws and codes to senior garrison leadership and supports the Fire Chief in personnel and administrative management. Responds to emergency incidents and manages the Fire Alarm Control Center in the absence of the Assistant Chief of Operations.

Production Underwriter manages and expands a portfolio of mid-market property business in Germany. Responsibilities include risk selection, rating and pricing, terms and conditions, capacity commitment, reinsurance placement, policy construction, loss control needs, and ongoing account management.

Deputy Anti-Money Laundering Officer to strengthen Financial Crime and Compliance. Develops and enhances AML policies, conducts investigations, oversees monitoring activities, and ensures regulatory alignment. Requires experience in AML, financial crime, or compliance within financial services.

Lead and scale a petabyte data platform powering AI-driven equity research. Own the full lifecycle of the platform, from ingestion to delivery, and architect AI-native engineering standards. This player-coach role requires 10+ years of software engineering experience, 3-5 years leading data platform teams, and deep Python and SQL skills.

Supports compliant, efficient, and harmonized technology and product development related to reprocessing and sterilization. Guides validation activities according to standards and regulations. Serves as a technical contact person and subject matter expert for reprocessing and sterilization topics. Builds and maintains expertise in applicable regulations and translates them into internal processes. Collaborates with cross-functional teams and communicates validation strategies and outcomes to stakeholders. Supports investigations, change management, and continuous improvement of QMS processes.

Working Student Product Designer will collaborate with cross-functional teams to define problems, conduct research, and create high-fidelity design solutions for Virtual Assembly Line tools. Responsibilities include understanding complex models, designing user-centric solutions, and facilitating user research.

Experienced CFO to lead finance, accounting, controlling, legal, insurance, governance, and compliance for a growing PE-backed industrial company. Responsibilities include financial reporting, budgeting, forecasting, and driving EBITDA, margin, and cash flow performance.

The Principal Sales Engineer provides technical expertise and pre-sales support, positioning N-able technology through consultations, presentations, and product demonstrations. You will develop business value propositions, work with cross-functional teams, and assist sales reps in offering solutions that solve customer business needs.

Associate Research Photographers will collect imagery, property information, and market updates across assigned submarkets. Responsibilities include capturing high-quality property images, collecting building attributes, and submitting findings into a field research app. Applicants must have a full local driving license and good written and spoken communication skills in German and English. A photography portfolio is preferred.

The Helmholtz Centre for Environmental Research (UFZ) seeks a scientific leader to head its Research Unit “Ecosystems of the Future”. The Head will shape the Unit’s scientific vision, manage its budget and personnel, and develop a research strategy aligned with UFZ goals. The successful candidate will have a distinguished scientific track record, strong leadership skills, and experience in international scientific networks.

Head of Audit (m/f/d) will lead the Internal Audit function, ensuring robust governance, risk management, and independent assurance across the organization. This senior role provides direct exposure to Executive Management, the Audit Committee, and the Supervisory Board.

Responsible for mechanical site supervision during wind turbine installation and completion. Ensures safe, high-quality, and on-schedule execution. Provides technical coordination and supervision of external contractors. Reviews turbine-related reports and documentation. Participates in project and site meetings.