ruby English-speaking jobs in Düsseldorf

Senior Product Designer will own the design of TradeAware, a software solution for EU Deforestation Regulation compliance. Responsibilities include end-to-end design, problem framing, user research, and collaboration with engineers and product teams.

Experienced Managing Director to lead German operations for a European electronics supplier. Full P&L responsibility, driving strategic growth, commercial excellence, and operational efficiency. Proven track record in electronics, semiconductor, or industrial manufacturing sectors. Strong financial acumen and leadership skills. Fluency in German and English required.

Provides comprehensive administrative support across the employee lifecycle. Maintains employee files, supports onboarding and offboarding, and assists with audits. Acts as a point of contact for employee inquiries regarding time tracking and updates employment information in the HR system. Drafts reference letters and collaborates with HR Business Partners and the Payroll Specialist.

This working student position supports the global Max Success Plan team, focusing on business administration, internal and external communications. Responsibilities include creating communications assets, organizing customer events, and orchestrating meetings.

Working student supports the Warehouse department with data analysis, process simplification, and Lean Management tool utilization.

Business Functional Analyst with expertise in banking data structures, DWH, and deposit systems (Tagesgeld focus) needed for data analysis, requirement engineering, and integration support.

Electrical engineering student will develop and extend measurement frameworks and simulation models in LabVIEW and/or Python. Must have basic RF understanding and programming experience. Internship starts October 2026.

Team Assistant needed for a mini-job (4 hours/week) in Berlin-Friedrichshain. Tasks include maintaining office spaces, handling mail and shipments, supporting team events, and onboarding/offboarding. Requires fluency in English and German, organizational skills, and comfort with basic office tools.

Supports the scalability qualification of Care and Styling making and filling operations. Leads, develops, and executes hands-on experimentation to ensure technical readiness for product launches. Collaborates with cross-functional teams to execute projects and propose solutions.

This part-time position is responsible for loading, unloading, shipping, receiving, scanning, sorting, and stocking packages. May utilize heavy machinery. Requires ability to lift up to 70 lbs. and flexible shift availability. Warehouse experience is preferred.

ALPADIA seeks Airport Representatives for summer 2026 weekends at Frankfurt FRA Airport. Responsibilities include welcoming students, ensuring safe check-in, and liaising with various parties to resolve issues. Applicants should be organized, reliable, and possess strong problem-solving skills.

Deliver parcels and letters using company vehicles, including electric vehicles. Must have a valid Class B driver's license and be able to communicate in German.

The Leibniz Institute for the Analysis of Biodiversity Change seeks a Curatorial Assistant for a fixed-term position (August 1, 2026 - June 30, 2028) in Bonn. The role involves laboratory work in DNA and cell culture labs, biobank sample management, and cell culture laboratory oversight.

A rapidly growing digital banking business seeks a VP Product Marketing to shape its expansion in the German market. This role involves defining customer propositions, developing go-to-market strategies, and influencing product roadmaps based on customer and market insights.

Senior Scientific Affairs Manager provides scientific and application support to internal and external customers, delivering evidence-based expertise across Scientific Management and Scientific Marketing. The role supports business growth initiatives and Sales and Marketing activities throughout the product lifecycle. Responsibilities include scientific support for the Sales team, input into product positioning, development of scientific messaging, and representation of the company in customer meetings. The role also involves defining and implementing the annual evaluation matrix for complex development projects, planning and coordinating evaluations of assays and instruments, and representing company needs in industry associations.

PA Engineer needed for product assurance activities throughout development and production. Experience with European space industry standards (ESA-ECSS, NASA) and Space Quality Standards required. 3+ years PA/QA Engineering experience in the European space/aerospace industries. Master's degree in engineering or technical sciences beneficial. Excellent English skills required.

Designs, develops, and implements integration methods for systems and equipment. Coordinates stakeholders and executes testing campaigns to ensure successful integration of diagnostics and automation systems. Supports project and integration teams with laboratory activities, including maintenance, troubleshooting, and system installations.

Senior Research Engineer to design, develop, and maintain AI-powered Natural Language Understanding (NLU) systems for automotive and mobility markets. Develop LLM based data generation and refinement methods. Design and implement defect analysis and resolution methods for a complex AI-powered voice assistant system.

Provides administrative, reporting, and project support to the Head of Treasury. Manages calendars, meetings, travel, and prepares committee documents. Supports cross-functional projects and optimizes workflows. Ensures compliance with control processes and documentation. Creates presentations and correspondence in German and English. Organizes events and cultivates international relationships.

Head of Medical Safety GCSP provides medical leadership across Global Clinical Safety & Pharmacovigilance. Manages and mentors a team of six (Sr) Safety Physicians and (Sr) Safety Scientists. Ensures high-quality clinical safety contributions to development programs and life-cycle management of marketed products.