ruby English-speaking jobs in Düsseldorf

The Chair of Political Communication seeks a Graduate Research and Teaching Assistant / Research Associate and Doctoral Student for a three-year EU-funded project on combating misinformation. Responsibilities include conducting research, drafting publications, conducting interviews, and collaborating with project partners.

Cook for a rapidly expanding Chinese noodle restaurant concept. Prepare and cook dishes according to established recipes and standards. Maintain food safety and quality. Minimum 1 year of cooking experience required. Familiarity with Chinese cooking techniques preferred.

SAP Inhouse Consultant SD/LE required for full end-to-end functional and technical ownership of Order-to-Cash and logistics processes. Analyze, design, and improve business processes in SAP SD and LE. Consult with business departments on end-to-end processes and implement requirements using SAP standard, customizing, and enhancements. Support, monitor, and resolve issues of interfaces and integrations. Collaborate with Basis, infrastructure, and middleware teams. Participate in international rollouts, implementations, and go-lives. Provide 2nd and 3rd level support for business-critical processes.

Experienced software development team lead develops technical concepts and supports agile teams. Analyzes requirements, leads and coaches development teams, conducts code and architecture reviews, and collaborates with stakeholders. Requires a degree in Computer Science or related field, leadership experience in software development, and strong interpersonal and technical skills.

Identifies and evaluates market trends for IaaS and PaaS services. Creates managed services portfolio roadmaps and designs new global managed cloud services. Manages end-to-end service offers and supports sales and presales teams.

Sales Manager EMEA Chemicals (m/w/d) is responsible for sales and promotion of chemical products/intermediates across EMEA. The role involves acquiring and retaining customers, developing sales strategies, and introducing new products. Requires a Master's degree, experience in specialty chemical sales, and strong communication and analytical skills. Fluency in French and English is essential.

Student assistant to support media engagement activities, including news monitoring, research, and outreach. Assist with organizing communications materials, conducting research, and preparing background information. Must be a university student enrolled in a communications, journalism, or related field.

Sales Manager responsible for managing the MultiVacc sales process, collaborating with sales teams, and acting as the central point of contact for customers. Requires several years of experience in agriculture or livestock sales, relevant professional background, and strong German and English communication skills.

Freelance Brand Expert to promote and create makeup magic in store. Responsible for achieving sales targets through exceptional makeup artistry and customer service. Reflects the brand values and customer base.

Early Childhood Educator (f/m/d) needed for a multicultural nursery/daycare. Plan and implement daily routines, childcare activities, and educational projects. Excellent English (C1/C2) and interpersonal skills required.

Senior Developer will design, build, and maintain the core of a SaaS product that supports macOS users. Responsibilities include system design, API development, integrations with external platforms, and ensuring reliable data flows.

Manage global key accounts and implement customer projects. Provide back office support, process orders and contracts, and monitor delivery times. Support sales force with analyses and evaluations.

As a Test & Validation Technician, you will plan and execute tests on lithium-ion cells, modules, and battery systems. You will document test results and contribute to the continuous improvement of products. You will also support the operation and development of the battery laboratory infrastructure.

This role is a hands-on, business-facing HR leadership position supporting manufacturing scale-up, cross-border operations, and M&A activities across Europe. The HR Manager will partner with Europe leadership, ensuring alignment between global HR frameworks and local execution.

The Environmental Health & Safety (EHS) Manager develops, implements, and maintains a comprehensive EHS strategy for MSA M&C locations in Aach and Ratingen. This role involves leading risk assessments, delivering EHS training, overseeing waste management, and supporting sustainability initiatives. The EHS Manager ensures compliance with local, regional, and global standards. Responsibilities include promoting a strong safety culture, participating in global EHS improvement projects, and managing EHS data. The ideal candidate has a minimum of 3 years' experience in EHS, a Bachelor's degree in a related field, and completed training as a «Health & Safety Officer (Fachkraft für Arbeitssicherheit)».

Tuning Technical Engineer will support the KYB Technical Center Team in Aschheim. Responsibilities include participation in tuning sessions, component preparation, shock absorber assembly/disassembly, testing, technical communication, and documentation support. Requires a technical degree, knowledge of hydraulic simulation and AutoCAD 2D, fluency in German and English, and automotive enthusiasm.

Lead Application Engineer will provide expert technical guidance to customers on synthesis, low-power verification, and logical equivalence checking. This role collaborates with R&D to refine tools and ensure solutions meet evolving customer requirements.

This DFG-funded project seeks to constrain the timescales and duration of fluid-mediated rock transformation processes. The successful candidate will apply solution isotope geochemical methods, including radiogenic isotope analysis and stable Li and Mg isotope systems, to establish absolute timing of metamorphic processes.

Senior Operations Research Scientist will design and implement optimization systems for a global food delivery marketplace. Responsibilities include developing robust optimization models, collaborating with Data Scientists, and validating models through simulations. Requires expertise in commercial and open-source solvers, Python programming, and software development best practices.

Leads Engineering Testing & Laboratory team for Device & Combination Product Development. Plans, coordinates, and executes Engineering Confidence- and Design Verification Testing for Parenteralia / Pharmaceutical Application Systems. Represents ETAG as single point of contact for assigned projects. Drives test method development and validation. Leads Non-conformity Investigations and provides documentation for regulatory submissions.