ruby English-speaking jobs in Düsseldorf

Senior Product Designer (m/f/d) to own end-to-end, CRO-focused design across web journeys. Design and execute A/B tests, analyze results, and optimize web funnels for conversion, activation, and engagement. Partner with Product, BI, Marketing, and Customer Care to drive growth.

Supports the CFO with strategic, conceptual, and project-related topics, ensuring efficient decision-making processes. Prepares evaluations, presentations, and documents for executive-level review. Manages board and committee meetings and represents the CFO in internal and external business meetings.

PhD position in Clinical Chemistry and Laboratory Medicine focusing on machine learning and AI in diagnostics and biomedical research. Develop computational methods for patient stratification and molecular subtyping.

Lead product ownership and delivery of a cloud native chemistry informatics platform for a global pharmaceutical client. Translate scientific stakeholder needs into a prioritized backlog, balancing strategic vision with iterative delivery. Proven ability to lead backlog grooming, sprint planning, and roadmap planning. Minimum 7 years of Product Owner or Product Management experience, including ownership of complex enterprise scientific or data platform products. Strong background in data platforms or scientific data products, including data integration, scientific data models, ELN or LIMS systems, and API led architectures. Active certification in CSPO, SAFe POPM, or an equivalent Agile or SAFe credential. Hands-on experience with JIRA, Confluence, and Figma.

Mechanical Commissioning Engineer will ensure mechanical installations meet project specifications. Responsibilities include developing commissioning plans, conducting site inspections, coordinating with contractors, and supporting commissioning activities. Requires a Bachelor's degree in Mechanical Engineering and experience in mechanical commissioning.

Contract Account Executive needed to design and refine sales tasks for frontier AI agents. Requires 5+ years of full-cycle enterprise sales experience with a proven track record in prospecting, discovery, demo, proposal, negotiation, and close.

This Human Resources Business Partner role supports rapid growth by partnering with business leaders to understand workforce needs and provide HR solutions. Responsibilities include managing recruitment, employee relations, compensation, performance management, and daily HR operations.

Investment Manager to lead transaction execution and portfolio development. 5-7 years of private equity experience with a strong track record of executed transactions required. Excellent financial modeling and investment judgment needed. Fluency in German and English is essential.

Lead and scope projects focused on operational excellence and service transformation within a global context. Build cross-functional teams, ensure on-time and on-budget project delivery, and drive continuous operational excellence.

Senior Associate responsible for data management within Real Estate Controlling. Focus on maintaining, harmonizing, and documenting data, process, and governance structures. Ensures transparent, consistent, and traceable documentation standards. Collaborates with business teams, IT, and external service providers.

Implement and configure Workday Employee Document Management for global customers. Lead workstreams, understand customer requirements, and design solutions. Support junior team members and share knowledge.

Electromechanical Inspectors needed for 6-month contract roles at supplier sites across Europe. Perform visual and dimensional inspections of parts, assemblies, and sub-assemblies to engineering drawings, customer POs, and industry standards. Experience with GD&T, FAIs, IPC-A-610, and electronic assembly inspection required. Must be comfortable working as an independent contractor.

Leads the QSHE team, ensuring upkeep and maintenance of the Safety Management System and associated documentation. Reports to the Managing Director for QHSE and ISM related issues. Accountable for maintaining and analyzing HSE statistics, conducting Management Reviews, and investigating major incidents.

Registered Dental Hygienist provides comprehensive preventive dental care to U.S. Army service members and their families at military dental clinics in Europe.

PhD student will investigate how viruses interact with the innate immune system, focusing on the protein complex PQBP1 and HIV-1 sensing. The position involves omics approaches, cell culture, molecular biology, and viral infection experiments.

Evaluate and implement SAP master data processes for materials, business partners, and real estate objects. Design and integrate SAP MM standard processes with MDM strategies and SAP BTP services. Manage data migration and governance in an international context.

HARMAN seeks an EMI/EMC Simulation Engineer to build and lead an enterprise-grade virtual EMI/EMC capability. This role defines workflows, modeling standards, and toolchains to deliver predictive CE/RE/BCI/RI outcomes. Requires deep EM fundamentals, cross-functional leadership, and tool proficiency with Ansys AEDT or Siemens EDA.

The Human Resources Business Partner supports Practice Group Talent Leads across DACH, aligning HR strategies with practice group objectives and workforce initiatives. Responsibilities include talent management, performance management, career development, reward, workforce planning, integration, onboarding, mobility, employee relations, engagement, recruitment, and partnership with other People teams.

Optical Engineering Intern to explore novel concepts, design optical models, and conduct experiments on photonic integrated circuits and fiber-to-chip interconnects.

Supports the development of complex aircraft systems, ensuring integration and performance of components. Defines and validates system requirements, generates technical documentation, and handles stakeholder requests.