ruby English-speaking jobs in Düsseldorf

Leads cross-functional projects, strategic initiatives, and develops high-impact documents for the Chief Commercial Office (CCO). Manages stakeholders, drives agendas, and ensures timely project execution. Requires 3-5 years of experience in top-tier management consulting with relevant project experience and 1-3 years in life sciences, healthcare, or FMCG. Excellent analytical, communication, and leadership skills are essential.

Postdoctoral researcher position focused on microbiome-brain interactions and their role in neural plasticity. The project investigates the effects of gut microbes on hippocampal plasticity in humans, including microbial neurotransmitter production, network connectivity, and associations with cognitive behavior. The position involves analyzing existing human gut microbial data, fMRI data, and behavioral outputs, as well as conducting novel data collection on probiotic intervention.

Freelance lecturer to teach fundamental cyber security knowledge, including software development, databases, operating systems, and data formats. Design courses using provided materials and conduct practical teaching sessions. Requires a university degree in Cyber Security or a related field and practical work experience. Fluency in English (C1 level) is required.

Administrative Specialist (m/f/d) for technical support of HHV-Bau application. Responsibilities include monitoring systems, ensuring availability, testing, developing concepts for modernization, and providing IT support. Requires a Bachelor's degree in a relevant field, 2+ years of experience, and expertise in operating systems, databases, and programming languages.

Evaluate customer experiences for luxury brands in fashion, beauty, jewelry, or automobiles. Complete assignments by visiting stores, shopping online, and providing feedback through questionnaires. Must be 18 years or older, a current customer of premium brands, and not under contract with any retail brands.

Senior Research Scientist (m/f/d) will participate in research project acquisition, design software solutions, and manage research team members. The role involves collaborating with partners on projects at the intersection of data science, robotics, and AI.

Lead the affiliate-wide Customer Excellence agenda, driving commercial performance, customer experience, and operational effectiveness. Partner with the General Manager and Affiliate Management Team to turn priorities into action and lead affiliate business planning and performance management. Drive transformation across Commercial, Medical, Market Access, and Business Technology Services.

The Vice President, Finance Insights will serve as a strategic partner to the CFO and C-suite, providing financial insights to support decision-making and drive digital transformation. Responsibilities include consolidated reporting, global planning, investor relations, international portfolio optimization, M&A analysis, and leadership of a finance team.

As a Sales Manager (m/f/x) - Customer Acquisition, you will focus on selling Europages in the Polish market. You will conduct targeted phone calls and presentations to identify customer needs and close deals. You will leverage your sales experience and Polish language proficiency to drive growth in the Polish market.

Senior System Administrator will act as onsite technical lead for the Berlin office, providing 2nd-level support, managing Microsoft 365, server infrastructure, and leading IT projects.

As a Test Manager in the eAkte Competence Center, you will define the test strategy, plan its implementation, coordinate test activities, and establish a reporting system on quality assurance measures.

The Michelberger Hotel & Restaurant seeks a part-time service professional for evening shifts. Responsibilities include greeting guests, product knowledge, beverage preparation, and providing service according to Michelberger standards. Applicants should have experience in a service-driven restaurant or bar setting and a passion for seasonal and sustainable products.

Business Analyst with Legal and Compliance experience needed to support regulatory, risk, and compliance initiatives across enterprise systems.

Provides on-site and remote IT support for retail stores and corporate sites in Germany and other European countries. Troubleshoots hardware and software issues, installs and configures IT equipment, and manages spare parts. Collaborates with the IT team on task prioritization and escalations. Requires a Bachelor's degree in Information Technology or Computer Science, fluency in German and English, and the ability to travel up to 20% of the time.

This Master's thesis investigates how to enrich Object-Centric Process Mining (OCPM) in Celonis with semantic information to improve explainability and scenario awareness in automotive production planning. The goal is to design, prototype, and evaluate a concept that links object-centric event data with version- and scenario-semantics, enabling a deeper understanding of planning rationale.

Technical Co-Founder & CTO will architect and build a data & inference engine for a cognitive health platform. Responsibilities include implementing a transparent AI system, designing a secure cloud infrastructure, and transitioning to team leadership. Requires 5+ years of senior engineering experience, including AI agent development and a proven track record of scaling software products.

Deliver groceries to customers efficiently by e-bike or e-scooter. Maintain a high level of customer service and consistently meet or exceed delivery targets. Earn at least €13.90 per hour plus tips.

Leads Constructor Tech's global partner go-to-market strategy, designing and growing a partner ecosystem to drive revenue growth and market expansion. Responsible for partner recruitment, development, sales leadership, pipeline management, and cross-functional collaboration. Requires 10+ years of sales leadership experience, with at least 5 years in senior channel or partner ecosystem roles within EdTech or enterprise SaaS.

Deputy Money Laundering Reporting Officer (MLRO) supporting the development and enhancement of the AML/CFT framework. Reviews suspicious activity, advises on financial crime risks, and contributes to risk assessments and internal policies.

The EMEA Asset Recovery Service Manager will develop supply chain solutions by engaging with OEM and EMS customers to enable reciprocal trading. This role involves prospecting for new accounts, leading a team, and negotiating purchase orders. The ideal candidate has 5+ years of purchasing experience in the electronics industry, strong team management skills, and fluency in English and German or Dutch.