ruby English-speaking jobs in Düsseldorf

Working student to produce online learning content using a custom authoring tool. Must have strong English (B2) and German language skills, experience with Microsoft Office Suite, and high attention to detail.

Own end-to-end recruiting for Supply Chain roles, building teams for new operations. Drive process standardization across Germany using active sourcing. Requires recruiting experience and fluency in English and German.

Senior Project Developer will lead the development of utility-scale solar and battery storage projects in Germany. Responsibilities include identifying opportunities, managing permitting, coordinating with stakeholders, and preparing projects for construction.

The Chief Commercial Officer will own Fastned's commercial performance across Europe, setting strategic direction for the network to achieve €1M revenue per station by 2030. This executive role requires scaling commercial organizations in high-growth environments.

Electrical Lead to manage electrical site delivery on a large data center construction project. Responsibilities include electrical installation, subcontractor coordination, technical interfaces, quality control, and commissioning readiness.

Leads a team to ensure safe, efficient, and high-quality operations at a fulfillment center. Oversees projects to improve processes, productivity, and customer service. Analyzes shift performance and implements actions to enhance operational excellence. Collaborates with management to standardize shift practices.

Lead a diverse product team to shape the IT landscape through application solutions for data exchange and management. You will own the software product lifecycle and drive development processes.

The Senior Air Freight Specialist prepares documents, routes shipments, and negotiates rates for air and ground transportation. They address client inquiries, investigate problems, and resolve complaints. The role requires experience with freight operations, logistics, and carrier management.

Senior Reporting Specialist to implement individual customer reporting requirements. Oversee client-specific reporting projects, analyze needs, and develop tailored solutions. Requires experience in investment management or fund administration, strong stakeholder management, and proficiency in German and English.

Lead business and operational growth for Siemens Advanta in the DACH sub-region. Drive growth through strategic positioning, managing P&L, and leading complex digital transformation projects for major German enterprises.

Define and deliver the AI platform strategy for a leading financial services organization. Own the end-to-end design, delivery, and governance of the AI platform engineering function, leading MLOps and AI Platform Engineers.

Experienced Project Manager needed for freelance Oil & Gas CAPEX projects. Oversee small to medium brownfield projects from initiation to commissioning. Requires 10+ years PM experience and 6+ years in oil and gas.

Supports data-driven decision-making by analyzing business data to improve planning, reporting, and execution. Tasks include documenting requirements, mapping processes, preparing reports, and contributing to dashboards.

Provide senior-level consultancy, project leadership, and strategic oversight for large-scale, high-value projects in the Hi-Tech sector. Lead multi-disciplinary teams, ensuring projects are delivered to the highest standards of quality, safety, and performance. Manage commercial performance, client engagement, and risk management.

As a Sales Engineer, you will develop and maintain customer relationships, analyze global markets, and implement sales strategies to drive revenue growth in key markets. You will provide technical expertise on dry vacuum technology and support the global sales organization.

Leads strategic HR and organizational initiatives for the region, partnering with leadership to drive business goals. Oversees all HR functions, ensuring compliance with German labor law and fostering a high-performance culture. Represents the company externally, building the employer brand and strengthening organizational integration. Builds and leads the regional HR team.

Treasury Manager to optimize liquidity, FX, and working capital. Responsibilities include cash flow forecasting, managing collateral, and driving process automation within a dynamic energy trading environment.

Lead the Global Cluster Regulatory organization, providing senior leadership for in-market regulatory strategy, execution, and registration delivery. This role partners with Cluster and Commercial Leadership to ensure compliant growth and market access.

Head of Engineering to own technical direction and execution for a construction tech company. This player-coach role involves shaping the technical foundation, AI systems, and engineering culture while building and mentoring the team.

Security Expert for AI Security at ZEISS Semiconductor Manufacturing Technology. ZEISS enables the production of smaller, more powerful, and more energy-efficient microchips.