ruby English-speaking jobs in Düsseldorf

The Global Process Owner Sales is responsible for designing, governing, and improving global sales administration processes. This role ensures standardized, efficient, and scalable processes across regions, enabling operational excellence and supporting commercial teams.

Leads the marketing team in Germany, developing and implementing marketing strategies for field-force promoted brands. Manages product launches, oversees budgets, and analyzes market data.

The Leibniz Institute for Natural Product Research and Infection Biology seeks a Scientific Communication, Public Relations, and Events Officer to prepare and communicate research results and activities to diverse audiences. Responsibilities include writing accessible texts, supporting public relations activities, organizing events, and managing social media channels. The ideal candidate has a degree in media, communication, journalism, or public relations, with a strong interest in science communication and event management. Fluency in German and English is required.

The GFZ is seeking a senior scientist to lead its Secondary Ion Mass Spectrometry (SIMS) user facility. Responsibilities include managing laboratory operations, advising scientists on SIMS applications, developing research strategies, and reporting on laboratory utilization. The successful candidate will have a PhD in the natural sciences, at least 5 years of experience with SIMS instruments, and expertise in mineralogy, crystallography, and sample preparation.

Machine Learning Engineer to develop and optimize AI models for autonomous driving. Requires MSc/PhD in Computer Science, Robotics, or equivalent experience with TensorFlow or PyTorch, C++, and Python.

Lead and mentor a team of developers, driving architectural decisions and coding standards. Design, develop, and maintain scalable web applications, architecting complex systems for reliability and security. Conduct code reviews, develop automated tests, and collaborate with teams to deliver high-quality solutions.

Manage and coordinate the Service Desk team, ensuring smooth IT operations. Develop and implement IT strategies to improve services. Collaborate with departments to optimize IT services and user satisfaction. Handle user issues and escalations, ensuring high service quality.

Financial Data Analyst develops and maintains financial models, analyzes business performance, and prepares reports. Requires a degree in Finance, Economics, or Business Administration and 3+ years of experience in financial modeling and data analysis. Proficiency in Power BI is required.

PR & Communications Intern to support influencer marketing, PR, social media, and sample logistics. Assist with influencer community management, social media coordination, sample loan coordination, and event preparation. Must be a current student seeking a 6-month internship and have excellent communication skills in English and German.

Develop and maintain React applications (Next.js & Vite) and backend services using TypeScript. Build new features, write tests, and collaborate with designers, developers, and product managers.

As a Premium Support Specialist, you will be the primary point of contact for high-value customers, providing multi-channel support and ensuring ongoing success with Personio's platform. You will troubleshoot issues, educate customers on new features, and contribute to process improvements.

Simulator Integration & Verification Engineer for PSTS (m/f/d) for Airbus Defence and Space in Manching. Responsibilities include providing system test definitions, supporting installation and maintenance of training devices, generating test cases, performing requirement verification, and documenting test results.

This role leads a team of HR Partners and HR Business Partners, partnering with site, business, and HR Leaders to strengthen culture and deliver business results. Responsibilities include ensuring operational excellence, driving employee experience and culture, providing oversight on investigations and employee relations matters, and supporting long-term business success through leadership development and talent planning.

Senior Brand Manager (f/m/d) OTC will manage a brand across multiple countries and be independently responsible for channel strategies in the D-A-CH region. Responsibilities include managing operational marketing, leading market research projects, and expanding the brand-specific e-commerce strategy.

Senior Power Platform Developer to design, build, and deploy Power Apps (canvas and model-driven) with strong UX, performance, and maintainability. Experience integrating Generative AI capabilities (e.g., Azure OpenAI) into apps for conversational experiences, content generation, and intelligent automation.

Office Manager (m/f/d) Berlin or Leipzig, Germany | Full-time Be the heartbeat of our office – and a key enabler of our culture. At Hansen, our offices don’t just function well – they feel right. We’re looking for an experienced, confident Office Manager who thrives on bringing structure, order and warmth to a fast-paced, international environment.

Service Technician for wind turbines. Responsibilities include on-site servicing, maintenance, repair, and fault resolution. Requires vocational training in electrical engineering, electronics, or mechatronics, familiarity with Microsoft and iOS, and a valid Class B driver's license.

Lead the growth of qualloy's European buyer marketplace by acquiring new powder customers and building long-term business relationships. Develop sales strategies, analyze market opportunities, and represent qualloy at industry events.

We're looking for an English speaking sales consultant to join our growing team in the Kaiserslautern/Ramstein area. We are a trusted name in the region, known for providing top-quality vehicles, exceptional service, and an unparalleled buying experience.

Senior Full Stack Developer to design and develop e-commerce solutions, specializing in modern, scalable frontends. Experience with Shopware 6, plugin and theme development, TypeScript, PHP, and AI tools required. Fluent German and English communication skills necessary.