ruby English-speaking jobs in Düsseldorf

Research Associate (Wissenschaftliche*r Mitarbeiter*in) – Molecular Child Psychiatry conducts molecular and cellular biology experiments, analyzes data, and contributes to research projects.

The Supply Network Designer supports the design and optimization of the company's supply chain network through data-driven analysis and scenario modeling. The role develops and maintains network models to evaluate configuration options, assess cost, service levels, and risk, and provides recommendations to support senior leadership decision-making.

German Customer Service Representative needed for remote work with relocation support to Greece. Help users stay safe online, review content, and communicate with users. Fluency in German (C1) and good English skills required.

Online Law Tutor to deliver structured lessons to German students. Support with essays, coursework, and exam preparation. Explain legal concepts clearly and guide university and pre-university Law studies.

Investment Manager/Director sought by Maxburg Capital Partners GmbH in Munich, Germany. Requires 0-10 years of experience in finance or professional services, investing experience, strong analytical and interpersonal skills, fluency in English and German.

SAP SD Consultant with 8-10 years of experience implementing and configuring SAP SD solutions tailored to German market requirements. Expertise in the Order-to-Cash process and German legal, tax, and reporting compliance regulations.

Market and Business Intelligence Analyst will support pipeline management, forecasting, and data analysis for various business divisions. Responsibilities include developing analytical tools, identifying business opportunities, and collaborating with cross-functional teams. Requires a university degree in a relevant field, experience with SQL, Python, and VBA/VBS, and strong communication and problem-solving skills.

Manages daily operations, maintenance, and emergency response for electrical and HVAC systems in a large-scale data center. Ensures system availability and compliance with safety regulations. Optimizes system performance and collaborates with teams on infrastructure support.

Experienced Contract Manager needed to support commercial delivery of major offshore wind projects. Manage complex contracts, mitigate risk, and ensure contractual obligations are met throughout the project lifecycle.

PhD student to study Fe-bearing materials at in-situ conditions relevant for planet formation and evolution. Participate in R&D of X-ray scattering experiments and dynamic compression experiments.

Conduct onboard inspections of ship structures, identify corrosion, and prepare reports with corrective action recommendations. Deliver training on paint application techniques and coating inspection. Support shipboard management in developing paint maintenance plans and promote fleet-wide coating standards.

Freelance annotators review and classify text, images, or videos to train AI models. Projects may include rating content, evaluating accuracy, or identifying sensitive material. Requires a bachelor's degree, 1+ year of professional experience, advanced English proficiency, and strong attention to detail. Compensation is project-based and up to $22 per hour.

As an IT Business Partner, you will translate business strategy into IT demand and project roadmaps. You will act as the primary contact for business leaders on IT topics, manage demand and portfolio, and co-sponsor key IT projects.

As a Client Care Advisor, you will handle customer inquiries via phone, email, and live chat, providing solutions to technical or service-related issues. You will document customer records and collaborate with colleagues to improve processes. Native or near-native German and good English are required.

The Cyber Security Analyst supports the confidentiality, integrity, and availability of Yogi's information systems across European operations. Responsibilities include monitoring security alerts, administering security controls, investigating security issues, and contributing to compliance with ISO 27001, NIS2, and GDPR.

Provides on-site service and maintenance for industrial fluids and systems at a customer's automotive and industrial manufacturing facilities in Offenbach am Main, Germany.

Provide administrative support to the Director of Berlin International School, managing schedules, correspondence, and events. Coordinate with the Leadership Team, administrative departments, and stakeholders. Support recruitment, professional development, and finance processes.

Inbound Sales Representative will manage the full sales cycle for SumUp products, engaging with merchants in the DACH region. The role requires fluency in German (C1+) and English, proven sales experience, and the ability to build customer relationships.

Lead finance-focused requirement workshops and design, document, and validate scalable Finance-related configurations within Dynamics 365 F&O. Configure and implement core Finance modules (GL, AP, AR, Fixed Assets, Cash & Bank, Budgeting) in alignment with global standards. Support key project activities including data migration, testing cycles, process validation, training, and user adoption. Act as the Finance subject matter expert across end-to-end processes.

Senior Transformation Delivery Manager will lead and deliver high-priority transformation projects across the group, shaping the new Transformation Delivery Center of Excellence.