ruby English-speaking jobs in Düsseldorf

Finance Assistant will support the Director of Finance in managing the day-to-day operations of Accounting. Responsibilities include month-end closing, revenue management, accounts payable, and supporting monthly reporting.

Business Analyst (m/f/d) with experience in process design, requirements engineering, and reporting for a semiconductor company. Must have experience in Workday or HCM transformations and global environments.

Nexi seeks a Partner Account Manager to identify and acquire new Software Vendor partners. This role involves building compelling business cases, leading negotiations, and driving commercial and technical partnership success.

As Visual Merchandise Manager for the Germany South region, you will lead and develop a team of District Visual Merchandisers to ensure consistent, commercial VM execution across approximately 200 stores. You will collaborate with Sales, Commercial Planning, and Marketing to drive targeted KPIs and ensure seamless implementation of VM strategies.

This part-time position is responsible for loading, unloading, shipping, receiving, scanning, sorting, and stocking packages. May utilize heavy machinery. Requires ability to lift up to 70 lbs., read and memorize postal codes, and work flexible hours up to 5 days a week. Warehouse experience is preferred.

This full/part-time role at TUI BLUE Sylt, Germany, starting 01.03.2026, requires a German speaker with certifications in Yoga, Functional Training, and Personal Training. You will lead group fitness sessions, wellbeing activities, and daytime sports and entertainment for guests.

Provides IT support, including system maintenance, troubleshooting, and user setup. Implements changes, ensures disaster recovery, and optimizes work processes. Requires strong problem-solving, analytical, and communication skills. Fluent English and German are essential.

C++ Systems Engineer to design and develop multi-threaded systems for real-time processing. Experience with CUDA, multithreading, and performance optimization required.

The Product Owner E-Commerce Systems will shape the roadmap for Kencana's e-commerce platform, driving product and data strategy and ensuring alignment with business goals. Responsibilities include collaboration across teams, steering of external agencies, and delivering projects on time.

Senior Analyst to design, evolve, and maintain group-wide price forecasting methodologies and standards. Responsibilities include model review, market analysis, curve quality monitoring, and stakeholder management. Requires a Master's degree in a quantitative field, 5-7+ years of experience in energy markets, and strong Python and communication skills.

The IT System Administrator Data Center & Cloud monitors hardware, software, and network components in the data center and cloud environment. Responsibilities include monitoring z/OS, Windows, and Linux systems, providing first-level support, and performing functions in the Security Defense Center.

Senior Azure Backup & Storage Engineer designs, implements, and operates secure, scalable backup and storage solutions for hybrid environments. Responsibilities include designing backup strategies, configuring Azure Backup vaults, managing Azure Storage solutions, and implementing security controls. Requires strong hands-on experience with Azure Backup, Azure Storage, hybrid environments, and virtualization technologies.

PhD student to develop methods for reproducible production of nanoscale drug carriers, characterize their structure and optical properties, and quantify Pt-drug loading.

European XFEL seeks a Cyber Security Officer to support the development and implementation of cyber security strategy and policies. The role involves risk management, threat identification, security tool implementation, vulnerability assessments, and security awareness training.

Lead Software Engineer will design, develop, and maintain observability platform components using Prometheus, Thanos, Grafana, OpenTelemetry, and streaming telemetry systems. Requires strong programming experience in Go, Python, or Java and expertise with the Prometheus ecosystem and OpenTelemetry.

Lead the strategic implementation and management of cutting-edge IT solutions within the manufacturing sector. Translate business requirements into actionable IT solutions, leveraging extensive industry and product knowledge. Manage project lifecycles, including planning, deliverable management, timeline management, and stakeholder communication. Provide technical leadership during system implementation, customization, and configuration. Mentor junior consultants and develop documentation, user guides, training materials, and SOPs. Serve as a subject matter expert in manufacturing IT and represent the company at industry events.

The University of St.Gallen's School of Management seeks an Associate or Assistant Professor in Strategic Management and Geopolitics. The successful candidate will have expertise in Corporate Strategy and Geopolitics, a strong research record in leading journals, and excellent teaching skills.

Lead technical design and delivery of HVDC cable systems, including accessories, fiber optic systems, and cable monitoring. Manage project phases from permitting to commissioning, leading multidisciplinary teams and coordinating external service providers.

Technical Project Manager supports projects from planning to execution, collaborating with cross-functional teams. Responsibilities include creating technical drawings, planning power and data systems, and coordinating rigging concepts. Requires 3+ years of experience in event production, technical planning, and project management, along with proficiency in Vectorworks/CAD, rigging systems, and lighting control.

Hardware Engineer needed for design, production, and support of industrial equipment. Requires electrical engineering degree, experience with electrical design, and proficiency in Eplan P8. Fluency in French is essential.