ruby English-speaking jobs in Düsseldorf

Placement Analyst Internship in Debt Capital Markets. Support transaction origination, prepare pitch books, and collect market information. Requires enrollment in a top university, English fluency, and strong analytical skills for a 6-month term starting January 2027.

Structural Analysis Engineer supporting Boeing aircraft interiors like Seats and Galleys. Responsibilities include lifecycle integrity, collaborating with manufacturers, and driving cross-functional problem-solving. Requires an Engineering degree.

Drive the global partner ecosystem for Bosch Business Innovations. Manage partner identification, engagement, and ongoing relationships with venture builders, investors, and more. Steer partnership initiatives and coordinate venture-building activities.

ICDP Science Coordinator develops education events and advances outreach to the public, media, and scientific community. Responsibilities include planning training courses and managing social media for ICDP. Requires a Master's in Earth or Natural Sciences.

IT Support Technician role requiring 24+ months of experience. Must have advanced knowledge of hardware, software, networking, and Microsoft OS. Fluency in German (B2) and English is required.

Join Kali Energy as a Co-Founder to lead business, finance, and commercial strategy for industrial thermal energy storage. Own fundraising, go-to-market strategy, and operations in this early-stage startup.

Own operational performance of core TikTok Shops, managing pricing, campaigns, ads, and stock. Analyze data to drive growth and profitability within the Seller Center.

Junior Data Engineer & MarTech Specialist supports mobile app marketing systems. Tasks include maintaining MMP setup, structuring data pipelines, and troubleshooting tracking issues across ad platforms. Requires data/analytics background and English fluency.

Nuclear Materials Specialist role involves writing prompts and evaluating AI responses against policy. Requires experience in nuclear forensics, radiochemical/mass-spectrometric analysis, and technical writing.

Research Software Engineer for Imaging and Spatial Omics Data to develop and extend metadata platforms and integrate imaging platforms with genomic data within the ODCF infrastructure. Requires software development experience, proficiency in Kotlin or Java, and interest in life sciences.

Assist in managing Money Market, FX, and Rate transactions for ICBC Frankfurt Branch. Requires 8+ years of trading experience, a relevant Bachelor's degree, and proficiency in Bloomberg and Refinitiv.

Working student in the Open Source Program Office supporting strategic and operational topics. Tasks include organizing community events, researching open source trends, and preparing reports. Requires excellent German and English skills.

Senior Project Sales Manager to expand B2B operations in dietary supplements and health products. Responsibilities include building strategic client relationships, acquiring key accounts, and managing white-label projects from inquiry to close. Requires 3-5 years of B2B sales experience.

Lead and mentor a team of e-bike mechanics at a fast-growing e-mobility startup. Oversee refurbishment and repair operations, ensuring high quality, efficiency, and adherence to safety protocols. Requires 5+ years of e-bike mechanics experience and team management skills.

Performs operations, maintenance, and repairs on heating, hot water, ventilation, and AC systems. Requires vocational training or 5 years of experience, German driver's license class B, and B2 German proficiency.

Head of Operations & Service for Dosimetry. Define and execute global operations strategy covering manufacturing, supply chain, and customer service across multiple regions. Requires expertise in operations, leadership, and fluency in English and German.

Manage retail campaign operations from concept to shelf, overseeing POS displays and the reorder journey. Responsibilities include inventory planning, logistics coordination, and process optimization. Requires retail and sales promotion experience.

Sourcing Manager to lead strategic procurement for offshore logistics, transport & installation, and foundations. Manage end-to-end processes, develop strategies, and negotiate key contracts with global suppliers. Requires 5+ years in high-value CAPEX procurement.

Senior Electrical Engineer develops and implements power and control electronic boards for complex medical devices. Focus includes electrical safety, circuit design, and meeting regulatory requirements like CE and FDA. Requires 7+ years in electrical device development.

Develop European XFEL's first sustainability strategy, establish reporting frameworks, and coordinate data analysis. This role requires a degree in a related field and experience in sustainability management.