ruby English-speaking jobs in Düsseldorf

Supports internal communications for the Car Engineering department, creating content and managing events. Assists with SharePoint maintenance and development. Requires enrollment in a communication, media, marketing, or design program with practical experience. Excellent German and English skills are essential.

Develop and synthesize battery materials for calcium batteries, characterize them chemically and electrochemically, and optimize processes for upscaling. Manufacture and characterize laboratory battery test cells. Investigate and develop stabilizing interfaces and functional coatings for electrodes. Collaborate with project partners and research groups. Publish research results and present at conferences. Supervise bachelor's and master's students.

Lead a €30 million MEP package for a hyperscale data centre project. Manage the full project lifecycle, build your team, and oversee both Mechanical and Electrical scopes. Proven experience delivering large-scale data centre projects and P&L accountability required.

Global SAP HRIS Manager to oversee planning, development, and management of SAP SuccessFactors and related HR technology. Responsible for process standardization, system lifecycle activities, and ensuring compliance with regulations. Leads HRIS operations, service management, project and change management, vendor and stakeholder management, and digital technology strategy. Requires 5+ years of experience with SAP HRIS, including Recruiting, Onboarding, Employee Central, Talent Management, Goals & Performance, Development, Learning, and Compensation modules. Fluent English required.

Manage a team of mechanical engineers in the development of new medical devices. Responsibilities include people management, project staffing, and ensuring robust mechanical solutions. Requires experience in mechanical product development, leadership, and strong communication skills. Fluency in English is required.

Supports site management activities for clinical trials, ensuring efficient and compliant execution. Responsibilities include site activation, document management, communication, logistics, and collaboration with internal stakeholders. Requires a bachelor's degree in a life science field or equivalent experience, strong organizational skills, attention to detail, and proficiency in German and English.

Senior Associate to join the Debt Structuring & Portfolio Management team, focusing on infrastructure and private debt. Support deal structuring, manage existing investments, and prepare investor reports. Requires a degree in a relevant field and at least three years of experience in infrastructure debt/project finance/structure finance. Strong German and English language skills are essential.

Supports the development and implementation of the Group's financial and treasury strategy. Manages central loans and credit lines, coordinates financing for subsidiaries, and manages foreign exchange risk.

The German Sport University Cologne seeks a W1 Junior Professorship in Data Science with a focus on multimodal training and movement data analysis. The successful candidate will develop approaches for training optimization in various sports contexts. Responsibilities include teaching and research, including participation in joint research activities and third-party funding acquisition. Applicants must have a PhD, relevant publications, experience with machine learning, and strong programming skills.

As Trade & Customs Specialist, you will shape standards, manage customs authorizations, and oversee key compliance processes to ensure audit readiness. You will monitor bonded warehouse activities, fulfill AEO-C obligations, and act as a point of contact for customs authorities.

Project Manager to coordinate and manage digital projects across public and education sectors. Requires fluent German, 3+ years project management experience, strong stakeholder communication, and technical understanding.

Frankfurt International School seeks an organized and technologically proficient Administrative Assistant for Grades 6-8. The role supports the Upper School office, manages substitute teacher coverage, and assists with scheduling and events. Applicants must be proficient in English and German.

Project Manager to lead cross-functional development projects for inhalation and nasal drug delivery technologies. Manage project budgets, timelines, quality targets, and collaborate with internal teams and external partners. Requires a relevant Bachelor's or Master's degree and experience in project management of medical device or pharmaceutical product development.

Working Student - Innovation Management supports Public Value Hub's programs in Munich, builds relationships with the ecosystem, and acts as a liaison between the Leipzig headquarters and the Munich Urban Colab.

Warehouse Manager / Warehouse Lead Germany (m/f/d) needed for a hands-on role in Pulheim. The successful candidate will coordinate the warehouse team, manage goods receipt, storage, picking, packing, dispatch, and stock checks. Experience in warehouse operations, team leadership, and systems like PDA scanners and UPS WorldShip is required. Fluency in English and German is essential.

Working student (m/f/d) to support Senior Director Operations in Munich for 6-12 months. Gain exposure to operational management, internal initiatives, strategic projects, and office operations. Support day-to-day office functions, cross-functional activities, and project implementation. Contribute to reporting, internal communications, and office culture initiatives. Must be enrolled in a Master's program (Business Administration, Economics, or related field) with strong analytical, organizational, and communication skills.

The Guest Services Manager leads a team in delivering exceptional guest experiences, exceeding hospitality standards, and ensuring guest and team satisfaction. This role requires two years of front-of-house management experience in a cruise line setting, strong communication and problem-solving skills, and the ability to work effectively in a diverse team environment.

Senior Research Scientist (m/f/d) will participate in project acquisition, software solution design, and team management. The role involves projects at the intersection of data science, robotics, and AI. Fluent English required.

Administers administrative tasks and documentation processing for a department, ensuring timely and quality outcomes. Manages internal information flow, prepares documents and reports, and supports data collection. Requires 2+ years of experience as an administrative technician and fluency in the local language.

Develop and optimize digital customer journeys, focusing on top-funnel performance and new customer acquisition. Analyze user behavior, conduct A/B and multivariate testing, and translate data into actionable improvements. Manage and optimize campaigns across various platforms, including Meta, LinkedIn, and Google Networks. Collaborate with cross-functional teams to create cross-channel optimization initiatives.