ruby English-speaking jobs in Düsseldorf

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.

Thesis Student role involving analysis of current automation for thermal runs and development of automated solutions, including CAN control optimization for frequency inverters. Requires study in mechatronics or electrical engineering.

Supply Chain & Procurement Manager responsible for SME and team leadership in purchasing, planning, production, and inventory management at the manufacturing site. Requires 5+ years in purchasing/planning, SAP experience, and fluency in English and German.

Freelance lecturers (m/f/d) are sought for university preparation courses in Berlin, starting September 2026. Subjects include English, Mathematics, Computer Science, Natural Sciences, Economics, and German (as a Foreign/Second Language). Applicants should have a relevant university degree, teaching qualification, or equivalent experience.

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.

Lead backend and fullstack engineering teams building real-time AI conversation systems at scale. Requires 7+ years as a software engineer and 3+ years leading teams with strong technical credibility.

Legal Administrator role supporting international clients with legal, administrative, tax, and financial tasks. Requires 2+ years' experience, knowledge of German corporate law, and fluency in German and English.

Product Manager needed to shape security and perimeter protection solutions. Responsibilities include advising customers, designing security solutions, managing tenders, and developing training materials. Requires technical background, strong communication skills, and fluency in German and English.

UX/UI Designer focused on AI and Design Systems. Responsibilities include building scalable Figma component libraries, designing AI-powered experiences, and creating high-fidelity UI for enterprise applications. Requires strong UX/UI and Design System expertise.

Intern Social Media supports daily content across Instagram, TikTok, and YouTube. Tasks include community engagement, content planning, trend analysis, and leveraging AI tools. Passion for social media and English writing skills are required.

Experienced Medical Safety Physician Product Lead (Director) to provide strategic medical safety leadership across the full product lifecycle. Lead safety oversight for assigned products, particularly early development programs, and support global regulatory submissions.

Risk Analyst for Due Diligence conducts investigations, analyzes financial data, and assesses credit risks. Prepares reports summarizing findings and recommendations. Requires a degree in economics and experience in banking or finance.

The Customer Trust and Security Specialist acts as a trusted advisor, building and maintaining customer confidence in the organization's security posture. This role ensures a deep understanding of local customer requirements, supports the creation and maintenance of security documentation, and manages relationships with partners to ensure compliance. The position coordinates between internal teams to deliver timely, consistent, and compliant responses to customer inquiries, audits, and contractual obligations.

Senior Legal Counsel provides legal advice and governance support to Germany and Operations EMEA teams. Responsibilities include contract negotiation, managing external counsel, and offering practical, business-focused legal solutions.

Experienced Responsible Person needed for a growing international specialty pharmaceutical and wholesale organization. Oversee all GDP compliance, quality assurance, and regulatory adherence for German wholesale distribution operations. Must be eligible to act as RP under German requirements.

Lead physical security operations across the UK and EMEA, managing a hybrid team and driving incident response, investigations, and crisis management. Develop and implement regional security strategies, policies, and standards.

Sales Stylist for Levi's® in Mannheim. Create genuine customer connections and deliver exceptional 1:1 service. Support store operations, maintain visual standards, and help achieve sales goals.

BI/Data Lead to architect and drive the S&OP cycle and planning infrastructure for a transitioning manufacturing business. This role establishes operational KPIs and owns leadership reporting, managing a small team. Requires 7-10 years in supply chain or operations planning.

Coordinate and optimize the end-to-end order processing and fulfillment process, including transport planning. Ensure seamless communication among customers, logistics partners, and internal stakeholders.

The Clinical Project Manager oversees the full life cycle of clinical studies, ensuring quality, compliance, and customer satisfaction. This role involves coordinating stakeholders, managing project timelines and budgets, and ensuring adherence to regulatory requirements.