ruby English-speaking jobs in Düsseldorf

37 hours/month) Reference number: 2026-0135 Heidelberg, Mannheim Marginal Employment Policy and Implementation Research for Cancer Prevention The German Cancer Research Center (DKFZ) is one of Europe’s largest cancer research centers. “Research for a life without cancer" is the mission of our world-class scientists and all our team members.

Legal Counsel Compliance will serve as a point of contact for compliance and data protection inquiries. Responsibilities include establishing and maintaining the compliance and data protection management system, participating in projects, and supporting the whistleblowing system.

International Payroll Specialist needed for fixed-term contract (July 2026 - December 2027). Process, audit, and reconcile international payrolls for Germany, Austria, and Switzerland. Partner with external providers and internal stakeholders to ensure accurate and timely payroll reporting.

Senior Director Product Management Surgical Imaging will lead and develop teams, define strategic product direction, and ensure technical excellence and regulatory compliance for the video product technology portfolio.

Project Engineer (f/m/d) will lead technical offers and design for integrated electrical systems in Energy Industries. Focus areas include Power-to-X, grid connection of renewables, Battery Energy Storage Systems, and substation engineering.

Master's thesis research on ion-selective membranes for water analysis. Focus on membrane design, electrochemical characterization, and data analysis. Requires practical lab skills in inorganic/material chemistry and a master's program in chemistry or molecular science.

The Faculty of Print and Media at Hochschule der Medien seeks a Professor for Print Technologies and Applications. Responsibilities include establishing a research line, supervising doctoral candidates, teaching courses, and developing networks. Qualifications include a doctorate in engineering or natural sciences, professional experience, a strong publication record, and proficiency in German and English.

Global MLM Leader / Brand Ambassador will build and drive a network of partners and investors, ensuring consistent volume growth and representing Assetara Limited in their region. Proven track record in Network Marketing, Affiliate Marketing, or High-Ticket Sales is required.

Finance Director (m/f/d) – Insight to Impact Lead Germany will drive short‐ and long‐term performance across patient‐focused and go‐to‐market activities. This role leads the German Insight to Impact (I2I) capability, connecting strategy, finance, performance management and execution. The Finance Director will act as a trusted advisor to the General Manager and Leadership Team, providing strategic, financial and operational insights to support evidence‐based decision making.

This role is for a new-business hunter Account Executive to manage a high-value retail territory across DACH and Central Europe. Responsibilities include account planning, territory management, pipeline generation, and managing the entire lifecycle of high-value enterprise SaaS deals. The ideal candidate has 3+ years of experience in a customer-facing, new-business SaaS hunter role with a proven history of managing high-value portfolios and exceeding quotas. Strong knowledge of and experience selling into large, complex retail organizations is required. Native or C1 level German language proficiency is essential.

IU International University seeks a part-time Professor of Computer Science with a focus on Data Science and Cloud Computing for the winter term 2026/27. The position is limited to 2 years and based in Berlin. Responsibilities include teaching, research, and curriculum development. Applicants must have a PhD in Computer Science or a related field, at least five years of professional experience, including three years outside academia, and strong didactic skills. Fluency in English (C1 level) is required.

Leads the Technical Services/Manufacturing Science team at a Cuxhaven manufacturing site. Oversees process optimization, new product introduction, quality assurance, and regulatory compliance. Manages a team of scientists and engineers. Requires a Bachelor's degree in a Scientific Field and 15+ years of relevant experience, including 10 years in leadership roles and 5 years in vaccine manufacturing.

Experienced Tax Director sought for DACH region. Oversees tax compliance, reporting, and advisory activities across Germany, Austria, and Switzerland. Requires 15+ years of experience in corporate tax, including direct taxes, VAT, transfer pricing, and international tax frameworks.

Lead engineering teams developing the connectivity foundation for TeamViewer Remote, Tensor, and ONE. Define and execute the roadmap for remote access & control, drive AI innovation, and ensure security and scalability.

Installation Design Engineer (f/m/d) will prepare and execute installation engineering activities for bids and projects, ensuring compliant, high-quality deliverables aligned with project and customer requirements.

Drive profitable growth within a defined territory by developing and expanding customer networks. Manage individual sales pipelines, support RFQs and pricing negotiations, and collaborate with customers to understand their needs and develop customized growth strategies.

Intern supporting Route-to-Market excellence and performance. Develop and maintain Power BI dashboards, analyze KPIs, and contribute to optimization projects.

Join our team and help deliver smiles! Assist with unloading, lifting, transporting, scanning, and sorting Amazon products. Must be able to speak basic German or English, follow safety guidelines, and be comfortable standing and lifting up to 15kg.

Senior Electrical Engineer to join a Data Center project in Berlin. Responsibilities include preparing technical documentation, monitoring progress, managing site electrical engineering issues, and supervising technicians. Requires an honors degree in electrical engineering, experience in commissioning electrical systems, and fluency in English.

Field CTO to advise C-level executives on strategic technical solutions. Lead data, cloud, and innovation strategy for key accounts. Architect solutions using Agentic AI and drive sales through new customer acquisition and up-selling.