ruby English-speaking jobs in Düsseldorf

The Controlling & Operations Manager will support the CFO in finance, legal, tax, and fund administration. Responsibilities include supporting compliance matters, preparing financial statements, and managing banking matters.

Senior Scientist – MSAT will lead technology transfers, process scale-up and validation for sterile drug product manufacturing, with expertise in Pre-Filled Syringe (PFS) manufacturing.

Senior HR Manager to lead and execute HR strategy for ic! berlin, reporting to the EMEA Head of HR. Requires 10+ years HR experience, 5+ years in a similar role, and strong German labor law expertise.

Internship within a software development team focused on medical robotic systems. Support software project management, systems engineering, and testing. Must be studying computer science, robotics, electrical engineering, mechatronics, or a related field.

Site Coordinator to oversee daily operations across six service areas: Food Service, Transportation, Custodial, Equipment Distribution, Forklift Operations, and Fuel Distribution. Lead frontline teams, ensure service delivery, and maintain compliance with military and regulatory requirements.

NTU International seeks a Senior Agricultural Statistics Expert to support the EU-funded project "EU Assistance for the Uzbekistan AgriFood Development Strategy 2020–2030". The expert will support strengthening agricultural statistics systems, data management frameworks, and evidence-based policy development related to the implementation of the Uzbekistan AgriFood Development Strategy 2020–2030.

Lindenstone seeks a Treasury & Liquidity Manager to manage day-to-day cash flows, prepare liquidity forecasts, and monitor the cash investment portfolio. The role involves developing treasury reporting, supporting banking relationships, and identifying financial risks.

Legal Associate to support contract management, legal research, regulatory compliance, and risk management. Requires a German law degree (1st or 2nd State Examination) or comparable qualification, initial practical experience, and fluency in English.

The Chief Financial Officer owns the financial architecture of the company, including P&L, balance sheet, cash flow, and working capital. Responsibilities include designing financial structures, managing capital structure, leading M&A strategy and execution, and ensuring financial transparency and accuracy. This role requires a strong background in investment banking, structured finance, or private equity with experience in company building and M&A.

Senior Construction Manager to lead the execution of utility-scale renewable energy projects from financial close to commissioning. Responsibilities include contract negotiation, on-site construction management, risk assessment, and claims resolution. Requires proven experience in renewable energy construction management, strong commercial acumen, and fluency in German and English.

The Head of Audit will lead the Internal Audit function, ensuring robust governance, risk management, and independent assurance across the organization. This role provides independent challenge and insight, supporting the bank in maintaining strong controls and meeting regulatory expectations.

Software Engineer (Frontend & Mobile) will build accessible, performant, and well-tested frontend and mobile features. Develop, test, and review code, and contribute to software design and architecture decisions. Implement modules connecting to wearable sensors and extend the Wear OS companion app.

Medical Directors provide medical, scientific, and strategic leadership for clinical trials. Responsibilities include study design, protocol development, safety management, and contributing to study reports and regulatory documents. Must have an M.D. degree, prior clinical trial research experience, and may require board certification and licensure.

Intern (M/F/X) will support the Corporate Strategy and Program Office Strategy 2030 teams within the Corporate Development department. The intern will contribute to the development and implementation of strategic initiatives and communication projects.

SAP In-House Consultant specializing in SAP IS-U and S/4 Utilities will drive the development of the SAP application landscape and implement innovative solutions. Responsibilities include consulting for business departments, serving as a central point of contact, and supporting project participation.

The International Max Planck Research School on Earth System Modelling (IMPRS-ESM) offers PhD positions in interdisciplinary climate research. The program is based in Hamburg, Germany and provides structured supervision, financial support, and no tuition fees.

Delivery Lead supports multiple customer engagements, ensuring successful project outcomes. Manages customer relationships, consultant onboarding/offboarding, and project documentation. Conducts regular checkpoints, monitors project status, and resolves issues. Requires 2+ years of IT experience, strong communication skills (English and German), and project management experience.

Electrical Master Technician / Electrical Engineer plans, installs, and commissions electrical systems for residential and commercial projects. Responsibilities include building automation, photovoltaic systems, EV charging infrastructure, and battery storage solutions.

IT System Administrator needed for Linux, VMware, Veeam, and storage administration. Responsibilities include optimizing Linux systems, managing VMware vSphere environments, maintaining Veeam infrastructure, and administering storage systems. Requires a degree in IT or equivalent, strong knowledge of relevant technologies, scripting experience, and fluency in German.

Lead continuous improvement initiatives at a pharmaceutical manufacturing site in Regensburg, Germany. Develop and execute a long-term improvement plan, focusing on process streamlining and waste elimination.