ruby English-speaking jobs in Düsseldorf

Execute KJUS sales strategy across ski, golf, and lifestyle categories in Central and Southern Germany, focusing on wholesale and B2B channels. Drive sales growth, manage budgets, and strengthen brand presence.

TKMS MARIDAN seeks an Electrician / Electrical Engineer to join a team of specialists providing subsea solutions including AUV, UXO survey, and seismic services.

KLA, a global leader in semiconductor manufacturing technologies, seeks a Materials Handling Manager to join its team.

Designs and develops high-end C++ components for medical desktop applications, focusing on performance, stability, and scalability. Architects, implements, and reviews complex multithreading and parallelization concepts. Analyzes, refactors, and optimizes existing codebase, identifying bottlenecks and improving product quality.

The Research Infrastructure Specialist (Postdoc) for Trusted Research Environments will translate TRE governance, research, and data-access requirements into technical specifications. The role involves coordinating between researchers, IT specialists, data curators, legal/data protection experts, and user communities. Responsibilities include designing, testing, and documenting secure TRE workflows and supporting the operational implementation of legal requirements in TRE processes.

EIIET Berlin seeks a motivated administrative and sales assistant to support daily office operations, student inquiries, admissions, and sales activities.

Customer Data Steward (m/f/d) will develop and support new data processes, create data validation rules, and lead cleansing efforts. The role involves maintaining customer data, metadata, and governing data sharing while ensuring compliance with data quality, privacy, and legal standards.

Configure and enhance Workday's Core HCM module, partnering with stakeholders to translate business needs into system design improvements. Provide support to SumUppers using Workday and build reliable reports and dashboards.

Senior Electronics Engineer needed for challenging projects requiring analytical skills, firmware understanding, and experience with motor control systems, power electronics, and communication protocols. Must have experience with schematic design, PCB layouts, and testing.

Leads strategic value-add services for a human risk management platform. Develops and operationalizes a consulting methodology focused on driving behavior change and measurable risk reduction. Builds and manages a consulting function, acting as a subject matter expert and advocate for human risk management.

Administers cosmetic medical procedures to cruise ship guests. Must possess clinical knowledge to administer procedures safely and effectively. Explains procedures and products to guests. Works with the Medi-Spa Sales Consultant on sales, marketing, and promotion. Provides excellent customer service and promotes other spa services. Follows OneSpaWorld's medi-spa protocols and sanitation policies. Completes medical records for each guest.

Commercial Engineer for Europe office. Responsible for generating new sales, maintaining current customers, and supporting other sales personnel. Requires knowledge of food, cosmetic, or pharmaceutical industries and fluency in Spanish and English.

The NUCLEATE Excellence Cluster at the University of Würzburg seeks PhD or Postdoctoral Researchers in nucleic acid sciences and technologies. Applicants for a PhD position must hold a Masters degree, while postdoctoral applicants require a doctoral degree in a relevant field.

Technical Project Manager for a European defense tech company developing AI-enabled autonomous defense systems. Manage multidisciplinary development programs spanning ML, computer vision, embedded systems, and uncrewed platforms. Coordinate engineering teams across Europe, plan work packages, and organize field trials.

Build an AI implementation agency with ORYN. Deep experience building and deploying AI systems, including LLMs, is required. Proven delivery and end-to-end ownership are essential. Equity in the agency is offered.

ATIA Ltd seeks reseller companies to find clients needing IT systems, web applications, or ISO standard services. Partners receive 20-30% of project value or set their own price on a base price provided by ATIA.

Creates engaging video and motion assets for paid social campaigns using AI-powered tools and traditional design techniques. Produces UGC-style ads, short-form videos, and motion graphics for various formats and placements.

The U.S. Consulate General in Frankfurt seeks a Heating, Ventilation, and Air Conditioning (HVAC) Technician to perform skilled maintenance and repair work at the journeyman level, adhering to International Building Code (IBC) standards.

As an Automation Engineer, you will monitor, troubleshoot, and repair automated systems to ensure efficient order fulfillment. You will analyze data, develop improvement strategies, and collaborate with teams to maintain and optimize equipment.

Provides project assistance for real estate design tasks and supports the Head of Real Estate. Manages design aspects, including test fits, interior fit-outs, and furnishings for GUS brands worldwide. Creates 2D and 3D visualizations and project materials.