ruby English-speaking jobs in Düsseldorf

Manages and develops strategic key accounts within the global lamp business, ensuring customer satisfaction and revenue growth. Cultivates relationships with internal and external stakeholders, identifies new business opportunities, and negotiates complex agreements. Drives global lamp sales performance and supports peers in growing their accounts.

Provide technical support for laboratory automation and digital software products. Install, configure, and maintain systems, troubleshoot issues, and collaborate with engineers on product improvements.

The Chief of Staff / PMI & Transition Officer will serve as a strategic advisor and operational leader, driving key initiatives and ensuring cross-functional alignment. Responsibilities include strategic planning, operational guidance, cross-functional coordination, post-merger integration, and transition management. The ideal candidate has experience in the renewable energy sector, financial planning, project management, and change management.

Loads and unloads UPS packages, utilizing machinery as needed. Performs package handling tasks, including sorting and stocking. Must be able to lift up to 70 lbs. Warehouse experience preferred.

Packaging Development Manager will own and drive the PPWR roadmap, translating regulatory requirements into implementation plans. Develop and optimize consumer packaging solutions, balancing functionality, sustainability, and brand impact. Collaborate across functions, including Packaging Development, Sustainability, R&D, Quality, Procurement, Production, Marketing, and Logistics.

Lead Full-Stack Developer to further develop a learning platform with AI features. Responsibilities include implementing new features, improving performance, and contributing to product strategy. The stack includes Angular, TypeScript, Python, Django, and AWS.

The Department of Chemistry and Chemical Biology at TU Dortmund University seeks a tenure-track professor in Optochemical Biology. The successful candidate will conduct research and teaching in chemical biology, bioorganic chemistry, or synthetic biology, with a focus on light-responsive molecular functionalities.

Senior Investment Manager / Director will manage a global portfolio, shaping investment strategies, participating in investment decisions, and maintaining stakeholder relationships.

Oxford Instruments seeks a detail-oriented Accounts Payable Specialist to process invoices accurately and efficiently, ensuring compliance with German accounting standards.

IU International University seeks a professor (m/f/d) for Cyber Security, starting October 1st, 2026. Responsibilities include teaching, developing lectures, and supervising students. Applicants must have a doctoral degree in Cyber Security or a related field, at least five years of work experience, including three years outside of academia, and publications or projects demonstrating expertise.

Mechanical Engineer to contribute to power plant projects, including decarbonized and hybrid solutions. Responsibilities include analyzing contracts, preparing specifications, coordinating interfaces, and managing contractors. Requires a degree in Mechanical Engineering, experience in power generation or EPC projects, and proficiency in 2D/3D design tools.

SAP Basis Developer for a global S/4HANA transformation program in the pharmaceutical sector. Develop and deploy SAP Fiori apps, provide Basis support, and build reports and interfaces. Strong S/4HANA, Fiori, and ABAP experience required. Pharma or CDMO experience essential.

Brand Manager for Volvic, Activia, Actimel, Alpro and more. Drive brand understanding, analyze market trends, and develop brand strategies. Manage A&P budget and execute growth plans.

Mechanical Engineer (m/f/d) will execute mechanical sub-systems for power plant projects, including decarbonized and hybrid solutions. Responsibilities include managing sub-systems, coordinating with global partners, and ensuring projects are delivered on time and to quality standards.

This role drives SCHOTT Pharma's strategic agenda, from problem structuring to implementation. You will advise senior leaders, lead cross-functional projects, and ensure strategy translates into measurable impact.

Provides administrative and office management support to a founder of a venture capital firm. Manages calendars, travel, meetings, and communication. Oversees office operations, vendor management, and team onboarding.

UX/UI Designer will translate complex retirement product requirements into user-centered experiences. Responsibilities include designing web and mobile applications, conducting user research, creating wireframes and prototypes, and collaborating with developers.

The SATCOMBw Overarching Systems Engineer - Satellite Communication Systems will work on the concept, design, development, and technical requirements of system upgrades and modifications for the SATCOMBw Satellite Communication System. Responsibilities include aligning system modifications, collaborating with Chief Engineers and Lead Systems Engineers, ensuring system performance, and supervising acceptance of major system upgrades.

Service technician for maritime automation and control systems. Plan, execute, and commission automation systems worldwide. Provide technical support and training to customers.

Vercana GmbH seeks a Drilling & Well QAQC Supervisor to coordinate QAQC activities across drilling, completion, and intervention operations. The role involves ensuring Service Quality Plans are implemented, conducting service inspections, and managing the D&W QAQC release process.