ruby English-speaking jobs in Düsseldorf

Software Engineer (Checkout Payment Methods) needed to design, develop, and ship robust software using C# and .NET. Requires experience with backend services, RESTful APIs, and relational databases.

Sortation Associate role involves unloading, lifting, scanning, and sorting Amazon products. Candidates must be 18+, comfortable standing/walking for long periods, and proficient in German and/or English.

Postdoctoral Researcher to investigate ultrafine particles around Frankfurt airport. Focus includes running atmospheric chemistry transport models and developing geostatistical interpolation methods for concentration data. Requires a PhD and strong programming skills.

Dual degree program in B.A. International Business. Organize and monitor business activities in Sales, Supply Chain, HR, or Controlling. Requires university entrance qualification and interest in business management.

Senior Product Manager, AI Agents, will own developing features for customer management of AI agent tone, empathy, and behavior. This role requires experience with AI, B2B SaaS, and LLM technologies.

For our secondary school in Heilbronn and Erlenbach we are looking for a Biology Teacher (Bilingual: German & English) (in part-time or full-time)

Head of PMO to lead transformation for a Private Equity-backed industrial business post-merger. This hands-on role drives execution, integration, and value creation across the group, reporting to the CEO.

Define and lead the AI-for-Materials agenda, inventing learning paradigms for AI to reason about matter. This role requires a PhD in ML and 7+ years of AI research experience, ideally with a background in physics or chemistry.

Sr. Director - Analyst, Emerging Technologies for Higher Education and Research creates insights for CIO's on research, teaching, and administration. Requires 12+ years of experience in academia or technology advisory roles.

Head of Transportation & Foreign Trade EMEA manages carrier relationships, oversees freight, and leads import/export strategy. Requires transportation management experience, foreign trade knowledge, and team leadership.

Senior Software Engineer in Revenue Management bridges data science models to production systems. Responsibilities include building pipelines, deploying models, and owning infrastructure using Python, AWS, and CI/CD tools. Requires 4+ years of relevant experience.

Senior Software Engineer specializing in Generative AI and LLMs. Architect production-grade solutions focusing on agentic systems, RAG, and AI evaluations. Requires expertise in AWS, Python, and modern AI frameworks.

Ambitious Account Manager needed to grow business in Northern and Eastern Germany. Requires 3+ years of B2B sales experience, strong relationship-building skills, and fluency in German and English.

Order Pickers/Warehouse Employees are needed for a logistics company. Duties include order picking with scanner software, checking incoming goods, and packaging. German or English knowledge is required.

Lead and develop a central team to manage serious incidents, complaints, and claims globally for the PS Division. Coordinate quality assurance, risk assessment, and legal defense against claims. Requires technical/legal degree and strong knowledge of relevant laws.

Drive Siemens' commercial growth in the Waste & Circular Economy sector. Develop go-to-market strategy, build pipeline, and lead customer engagements using deep waste domain expertise.

Own the entire enterprise sales cycle across the Americas for a real-time transportation visibility platform. Build pipeline and close new customers with Freight Forwarders, LSPs, and BCOs.

Supervise clinical trial conduct for the Global Medical Affairs team, coordinating GCP-compliant study projects. Responsibilities include monitoring, protocol evaluation, and managing external partners. Requires experience in clinical trial management.

Mechanical Engineering PhD required to author original, expert-level free-response engineering problems based on industry scenarios. Responsibilities include writing solutions and validating difficulty against language models. Requires 8+ years of relevant professional experience.

Account Manager for Booking.com in the DACH region. This role involves managing a partner portfolio, providing commercial advice, optimizing platform performance, and executing growth strategies. Requires German and English proficiency.