ruby English-speaking jobs in Düsseldorf

Mechanical Project Manager needed to own projects from conception to completion. Responsibilities include managing schedules, budgets, and scope while ensuring safety and policy adherence. Requires 5+ years of experience and a relevant 3rd level degree.

Junior Purchasing Manager handles operational purchasing, supplier research across global regions, and RFQ preparation. This role supports negotiations and monitors market developments for hospitality and commercial equipment.

Account Executive for Enterprise B2B SaaS. Own the full sales cycle to CMOs and Heads of CRM globally. Build pipeline, sell consultatively using live data, and close complex, multi-stakeholder deals. Requires 2-5 years in B2B SaaS sales.

Director Technology & IT Transformation leads the company-wide technology agenda, owning the roadmap, transformation, and data/AI priorities. This role directs the IT organization of 25 employees, improving project delivery and setting technology strategy.

Lead the Machine Analytics & Simulation department for a high-tech machine manufacturer. Develop and apply simulation and measurement methods to understand complex machinery behavior. Requires mechanical engineering background and expertise in FE/FEM and dynamics.

PLM Windchill Specialist needed to own the end-to-end PLM lifecycle, including configuration, maintenance, and upgrades. Requires 5-7 years in PLM, strong Windchill knowledge, and experience with BOM and Change Management.

Game Analyst needed to turn LiveOps and monetization questions into measurable actions. Responsibilities include analyzing event cycles, evaluating game economies, and co-owning A/B tests. Requires 2+ years in F2P product/game analytics with strong SQL skills.

Up to seven postdoctoral fellowships are available for transformation research at Leuphana University of Lüneburg. Fellows will develop grant proposals aligned with three conceptual streams. A PhD is required.

Proactive Office Administrator and Marketing Support needed to execute daily operations for the Germany office. Responsibilities include administrative tasks, invoice processing, travel coordination, and supporting marketing initiatives. Requires 1-3 years of experience and fluency in German and English.

VAT Manager focusing on Pan EU Indirect Tax Planning and Advisory, emphasizing German and EU VAT regulations. Requires fluent German, strong analytical skills, and experience in large corporate tax departments.

Coordinate complex proposal, bid, and tender processes for an international company. Structure, edit, and consolidate multidisciplinary input into professional, client-focused submissions while managing timelines and documentation.

Medical Writer develops scientifically rigorous promotional materials for pharmaceutical and healthcare brands. This role requires translating complex medical information into clear content while ensuring compliance with industry regulations. Fluency in English and German is required.

Junior Procurement Specialist supports procurement operations, inventory management, and purchasing processes. Responsibilities include purchase order tracking, supplier coordination, and maintaining procurement records. Requires procurement experience and B2 German proficiency.

Workshop Service Technician responsible for Pre-Delivery Inspections, heavy repairs, and factory modifications on earthmoving equipment. Requires 3+ years of heavy equipment repair experience and expertise in diesel engines, hydraulics, and electrical systems.

Senior Manager, RWE/EPI Internal Medicine supports real-world evidence and epidemiologic studies across drug development. Responsibilities include designing, conducting, and reporting global research, authoring protocols, and delivering insights from observational data.

Inside Sales & Contact Center Agent for a Japanese airline. Provide customer service and sales support via phone and email, managing reservations and bookings. Requires fluent German and business-level English.

AI Enablement Engineer to prototype and improve AI assistants, applications, and automations for business use cases. Requires 2 years in Prompt Engineering or similar AI role, experience with LLM workflows, and fluency in German and English.

Join the Amazon warehouse team to select, pack, and ship customer orders. Duties include inventory handling and operating equipment. Candidates must be 18+, proficient in German and/or English.

The German Cancer Research Center (DKFZ) is one of Europe's largest cancer research centers. “Research for a life without cancer" is the mission of our world-class scientists and all our team members. We investigate how cancer develops, identify cancer risk factors and search for new cancer prevention strategies.

Ensure product quality for UAS and EuroDrone programs by guaranteeing compliance with standards like EN 9100, DO-178C, and DO-254 throughout the engineering lifecycle.