ruby English-speaking jobs in Düsseldorf

Freelance Brand Expert to promote and create makeup magic in store. Represent the ethos, products, and image of Charlotte Tilbury. Drive business through exceptional makeup artistry and customer service. Achieve sales targets and deliver Charlotte's philosophy of artistry made easy. Must be sales driven with experience in beauty and retail. Friday, Saturday, and Sunday availability is required.

Develops and executes brand and disease area strategies for the International region, aligning with corporate goals. Leads integrated marketing programs, lifecycle management initiatives, and brand playbooks. Collaborates with affiliates, International Marketing, and Global Commercial Development. Manages the regional brand budget and reports to the Senior Director, Marketing Portfolio Lead Haematology.

Regulatory and Sustainability Engineer (m/f/d) needed for a two-year parental leave cover. Responsibilities include participating in industry associations, influencing standards development, monitoring regulations, and leading sustainability initiatives.

Experienced software development team lead develops technical concepts and supports agile teams. Analyzes requirements, leads and coaches development teams, conducts code and architecture reviews, and collaborates with stakeholders. Requires a degree in Computer Science or related field, leadership experience in software development, and strong interpersonal and technical skills.

The Mechanistic Modeling Specialist supports customers in optimizing downstream processes using GoSilicoTM Chromatography Modeling Software. This role involves leading technical discussions, conducting independent modeling work, and delivering training courses.

Sales Manager EMEA Chemicals (m/w/d) is responsible for sales and promotion of chemical products/intermediates across EMEA. The role involves acquiring and retaining customers, developing sales strategies, and introducing new products. Requires a Master's degree, experience in specialty chemical sales, and strong communication and analytical skills. Fluency in French and English is essential.

Designs, implements, and develops the companywide Compliance Management System (CMS), including risk identification, assessment, mitigation, and monitoring. Advises management and business units on compliance matters, conducts trainings, and ensures adherence to regulations.

Equipment Maintenance Operator needed for preventative and unplanned maintenance, machine upgrades, and process machinery support. Requires 2+ years of industrial maintenance experience, mechanical, pneumatic, and electrical aptitude, and proficiency in English and German.

SAP In-House Consultant needed to maintain and develop the SAP S/4HANA system, focusing on SD and FI/CO. Responsibilities include analyzing business processes, implementing requirements, and providing support. Requires a Bachelor's degree, 5+ years of experience as an SAP Consultant, and strong knowledge of SD, FI, and CO modules.

Future Electronics seeks a Wireless Business Development Manager for the Munich region. The role focuses on driving wireless connectivity solutions, including Matter, Bluetooth, Wi-Fi, and more, at key customers across Northern Europe. Responsibilities include developing customer relationships, executing business plans, and collaborating with internal teams to drive demand creation.

Tuning Technical Engineer will support the KYB Technical Center Team in Aschheim. Responsibilities include participation in tuning sessions, component preparation, shock absorber assembly/disassembly, testing, technical communication, and documentation support. Requires a technical degree, knowledge of hydraulic simulation and AutoCAD 2D, fluency in German and English, and automotive enthusiasm.

Materials Engineering Specialist needed to verify AI's identification of material properties, formulas, and usage suitability. Requires a Bachelor's Degree in Materials Engineering or Metallurgy, native-level proficiency in your primary language, and basic English.

The German Cancer Research Center (DKFZ) seeks a Scientific Solution Architect for the MEDAL project. This role involves designing and building the technical foundations of a platform for medical imaging AI benchmarking. Responsibilities include conceptualizing secure workflows for data submission, defining architectural concepts for the platform, and translating scientific and regulatory requirements into technical concepts.

Manufacturing Process Technician responsible for defining, documenting, and maintaining production processes. Supports new product introduction, equipment optimization, and troubleshooting. Requires experience in factory automation, assembly, or test equipment engineering.

Manage global key accounts and implement customer projects. Provide back office support, process orders and contracts, and monitor delivery times. Support sales force with analyses and evaluations.

This role is a hands-on, business-facing HR leadership position supporting manufacturing scale-up, cross-border operations, and M&A activities across Europe. The HR Manager will partner with Europe leadership, ensuring alignment between global HR frameworks and local execution.

Identify and implement AI use cases in research, development, and innovation. Design and support AI-enabled research environments. Drive AI-assisted research capabilities such as data analysis, knowledge discovery, and experimental planning. Support the digital transformation of R&D. Contribute to a long-term digital innovation strategy. Monitor emerging technologies and translate them into practical use cases. Build a cross-company innovation ecosystem. Act as a trusted advisor to innovation leaders.

The Nanotechnology Research Group seeks a PhD researcher to design, construct, and test experimental setups for localized deposition from a molecular flux. Responsibilities include exploring new deposition methods, assisting with project documentation, and publishing scientific results. A completed degree in a relevant field is required, along with experience in plasma processes, surface modification, or related areas. Excellent English skills are also necessary.

Senior Product Manager for debt collections and garnishment systems. Leads product vision, roadmap, and delivery of business-driven outcomes. Collaborates with IT, operations, risk, compliance, and legal. Requires experience in complex, regulated environments and leading system implementations. Fluent in German and English.

Software Engineer to build AI-driven features for users. Focus on RAG pipelines, knowledge graphs, context engineering, and agentic workflows. Translate AI capabilities into scalable product functionality.