freelance English-speaking jobs in Wuppertal

Aircraft Security Architect responsible for security in the overall architecture and design of onboard aircraft information systems. Works with chief engineering and software design offices to assess and evaluate aircraft security risk levels. Manages security aspects within development projects and interacts with airlines and airworthiness authorities.

Maintains and enhances the quality management system, ensuring BSI C5 compliance and ISO 9001 standards. Defines, adapts, and monitors software development and related service processes. Conducts internal audits and supports external audits. Ensures process and quality documentation is accurate and up-to-date. Collaborates with stakeholders to drive quality and continuous improvement.

Senior Data Engineer will architect data flow solutions, design data layers, and develop ontologies to translate domain logic into queryable graph models. Responsibilities include implementing scalable data pipelines, integrating LLM-driven workflows, and defining data integrity standards. Requires 5+ years of experience building production-grade data products, proficiency in Python, SQL, and cloud infrastructure, and experience with graph databases and semantic modeling.

Senior Safety Engineer will support safety-related engineering activities across the project lifecycle for railway projects. Responsibilities include developing safety documentation, performing safety analyses, and supporting ETCS projects from concept through implementation. Requires a degree in a relevant field, proven experience in railway ETCS signaling projects, and strong knowledge of CENELEC safety standards.

Lead procurement and supplier management for the Corrugated Boxes category. Engage with stakeholders to define product requirements and ensure procurement target achievement. Develop and execute category strategies, cost optimization initiatives, and sourcing decisions. Manage supplier relationships, perform market research, and mitigate risks.

Nachhilfeunterricht seeks Biology tutors to provide online or in-person instruction to students of all ages. Tutors will design individualized lessons covering topics such as cell biology, genetics, and ecology. Strong Biology knowledge and communication skills are required.

As a Technical Sales Engineer, you will act as a bridge between engineering, product management, sales, and customers, translating complex technical topics into clear, value-driven messages. You will support local sales teams with technical proposals and negotiations, share knowledge through training and communication, and engage with key customers.

NTU International seeks Energy, Climate & Environment Experts for a GIZ project supporting investment climate reforms in partner countries. Experts will provide advisory on climate-smart investment frameworks, integrate environmental and climate considerations into policy, and develop sector-specific analyses.

Experienced AI Enablement Lead needed to support the introduction of Amazon Q and build organizational trust in AI within a Works Council-regulated environment. This role requires fluency in German and English, strong communication skills, and experience introducing AI or advanced digital tools.

This internship focuses on improving the accuracy and flexibility of text normalization and formatting for speech recognition systems.

The German Cancer Research Center (DKFZ) seeks a creative and collaborative early-career researcher to establish an independent junior research group. The position is intended for researchers in the "qualification phase" with a strong postdoctoral track record in tumor biology and/or preclinical cancer research. Applicants must have a doctoral degree and significant international research experience. The successful candidate will lead, mentor, and manage a diverse research team and have a strong publication record and proven success in acquiring third-party funding.

Lead Consultant (f/m/d) Analytics & Advisory delivers data-driven insights and strategic recommendations for clients in the sports industry. The role involves end-to-end project delivery, structuring client challenges, and leading project teams.

Execute daily logistics operations, including order processing, shipment coordination, tracking, and customer service. Manage inbound/outbound shipments, documentation, and ensure timely fulfillment. Monitor shipment status, resolve issues, and provide updates.

Lead a team of 4 RegCMC managers, aligning and implementing regulatory strategies for Formycon's drug product development and manufacturing pipeline. Responsibilities include reviewing and aligning regulatory strategies, preparing regulatory documents, and overseeing the preparation of documentation packages for submissions.

Lead cutting-edge research in computer vision for autonomous driving, aiming for publications in top-tier conferences and journals. Drive group growth by securing third-party funding and mentor PhD, Master's, and Bachelor's students.

Join FedEx's Operations team as a package handler on the morning shift. You will sort, scan, load, and unload packages, use equipment and technology, and follow safety regulations. Successful candidates will be team players with strong communication skills, attention to detail, and the ability to make quick decisions.

CSL Plasma seeks a GxP-Auditor to perform qualification audits at plasma suppliers and service providers in the EMEA region. Responsibilities include evaluating audit results, performing risk analyses, and ensuring compliance with regulations and CSL quality requirements.

Industrial Engineer (m/f/d) to optimize production processes in semiconductor equipment manufacturing. Responsibilities include process optimization, LEAN implementation, workplace design, and MES/SAP integration. Requires a degree in Industrial Engineering or related field and 3-7 years of experience.

Business Development Manager will identify and evaluate new markets, support business decisions with market information and trend analyses, and prepare business cases for executive-level decision-making.

Knowledge Management Specialist ensures content quality and compliance in a global consulting environment. Develops standards for metadata, taxonomy, and governance. Empowers consulting teams to capture, share, and leverage knowledge. Drives adoption of AI-enabled knowledge management processes. Requires a degree in information management, business, or a related field and 3-5 years of experience in knowledge management. Strong analytical and communication skills are essential.