ruby English-speaking jobs in Düsseldorf

Certifying B1/B2 Aircraft Technician performs aeronautical maintenance, gives technical instructions, and certifies work. Requires vocational training, AML (EASA Part-66), and experience with specific aircraft types.

This role serves as the central contact for processing facility work orders and service requests. Duties include database management, customer service liaison, and providing German-to-English translation. Requires C1 English and German proficiency.

Experienced Responsible Person needed for a growing international specialty pharmaceutical and wholesale organization. Oversee all GDP compliance, quality assurance, and regulatory adherence for German wholesale distribution operations. Must be eligible to act as RP under German requirements.

Researcher needed in Experimental Particle and Astroparticle Physics. Focus on developing microstructured silicon detectors for high energy physics. Tasks include system design, detector commissioning, and scientific documentation. Requires a Physics degree and experience with silicon detectors.

Legal Associate for Global Subsidiary Management. Analyze documents and regulations for international clients, ensuring compliance. Support corporate filings, draft agreements, and manage client portfolios. Requires 2+ years' experience and fluency in German and English.

Drive sales of high-value capital equipment within the Enabling Technologies portfolio. Manage existing accounts and identify new business opportunities. Lead complex sales cycles, build business cases, and negotiate contracts.

Amazon Warehouse Worker role involving unloading, lifting, transporting, scanning, and sorting products. Requires ability to use technology and speak basic German or English. Shifts available across various times.

Drive the Enterprise Security agenda selling Host based Network segmentation and Application Access products. Requires direct sales experience, C-level engagement, and knowledge of Zero Trust and Micro-Segmentation. Must be fluent in German and English.

Senior Director, Launch Lead Neuroscience EMEA owns the regional launch strategy and commercialization roadmap for a potential first-in-class therapy. This role advises leadership and drives cross-functional alignment across EMEA.

Research Assistant needed in chemistry, physics, civil engineering, mineralogy, or materials science. Responsibilities include project implementation, sample preparation, and material analysis using techniques like ToF-SIMS and XRD.

Design and evolve architecture for large-scale distributed systems using AI foundational platforms like LangChain. Define agent interfaces, RAG strategies, and select optimal technology stacks. Requires 8-10 years in distributed systems.

Investigate novel approaches to improve Geo-Foundation Models for Earth Observation regression tasks. Focus on developing flexible temporal modeling strategies and improved pretraining methods. Requires strong Python/deep learning skills.

Evaluate search results and AI-generated content for quality and relevance. Conduct online research to support rating decisions. Requires excellent German and English communication, strong analytical skills, and residency in Germany.

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.

Business Analyst – Patient Engagement role requires analyzing business and product requirements to derive functional specifications. Candidates need experience in Requirements Engineering or Business Analysis, with a strong technical understanding.

From August 2026 our secondary school in Dreieich (near Frankfurt) is looking for a Mathematics Teacher (in part-time or full-time)

Senior Reporting Specialist to implement individual customer reporting requirements. Oversee client-specific reporting projects, analyze needs, and develop tailored solutions. Requires experience in investment management or fund administration, strong stakeholder management, and proficiency in German and English.

The Tax Product Manager defines and executes the product roadmap for tax services delivered to cross border institutional investors. Responsibilities include monitoring tax changes, defining tax servicing standards, executing the tax strategy, and managing client and competitor market research. The role requires expertise in German tax regulations, fluency in German and English, and experience in financial services tax.

Working Student to build Mixed Reality prototypes for vascular surgery using Godot and C++. Develop features for immersive clinical applications and collaborate with engineers and surgeons. Requires a background in Game Dev, CS, or similar.

System Engineer for AI Data Center Solutions. Design modern network solutions, prepare technical documentation (BOMs, layouts), and provide technical support across EMEA. Requires an Engineering degree and 2-5 years in Telecom or Data Center design.