freelance English-speaking jobs in Wuppertal

Lead architecture, design, and development of next-gen HMCs, VMCs, and Turn Mill platforms. Drive innovation, technical leadership in machine design, and system integration. Requires 15+ years in machine tool R&D.

Develop next-generation accelerator platforms using Openchip silicon for AI, ML, and HPC. Contribute to hardware development from concept through production, covering board design, validation, and system integration.

Senior Scientist II in Pharmaceutical Development applies thermodynamics and AI/ML to support formulation and process development. The role involves creating hybrid models to predict material behavior like solubility and stability.

Design predictive signals for live systematic equity strategies by training machine-learning models to rank stocks. Convert messy data into unit-tested signals and build agentic workflows. Requires a quantitative master's or doctorate and Python proficiency.

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.

Director, Corporate Affairs – DACH will architect regional reputation across Germany, Austria, and Switzerland. This role advises the Executive Team, drives advocacy, and oversees ESG and transformation narratives. Requires 15+ years in communications.

The Guest Services Manager leads a team in delivering exceptional guest experiences, exceeding hospitality standards, and ensuring guest and team satisfaction. This role requires two years of front-of-house management experience in a cruise line setting, strong communication and problem-solving skills, and the ability to work effectively in a diverse team environment.

Property Manager needed to manage a portfolio of commercial real estate assets in Germany. Responsibilities include tenant relations, lease administration, and operational reporting. Requires experience in commercial property management and German language skills.

Design and develop enterprise-scale ontologies and knowledge graphs to integrate diverse data sources. Implement knowledge graph infrastructure using technologies like Neo4j and RDF/OWL. Collaborate with domain experts to formalize knowledge.

Warehouse Team Coordinator supports efficient shipping, motivates staff, and provides key metrics. Responsibilities include onboarding, maintaining standards, and process improvement. Requires vocational training and leadership experience.

Provide orientation and cultural adaptation services to US servicemembers and families. Duties include tours, language classes (German/ESL), and providing guidance on life in Germany. Requires fluency in English and German.

Lead and scale the Viral Vector Operations unit at ProBioGen. Oversee the full lifecycle of client programs, from process development through GMP supply, ensuring operational performance and quality. Requires 10 years in viral vector development/manufacturing.

Material Clerk role involves receiving, inspecting, issuing, and returning aircraft spare parts and materials. Requires experience as a warehouse logistics specialist or similar, good English, and computer skills.

Junior Clinical Research Associate contributes to clinical trial operations by monitoring studies, managing documentation, and ensuring compliance with protocols. Requires a relevant degree, knowledge of ICH-GCP, and proficiency in English and German.

Deliver groceries to customers efficiently by e-bike or e-scooter. Meet and exceed delivery targets while providing exceptional customer service.

Freelance lecturer in Cyber Security IT Systems: Software needed for 48 teaching units starting October 1, 2026. Teach fundamental knowledge with practical relevance in software development, databases, operating systems, and data formats.

Director Supply Network Lead to drive global supplier network strategy and performance. Responsibilities include developing commodity strategies, managing supplier relationships, and leading international teams. Requires 10+ years in strategic procurement within an international setting.

Freelance Presentation Designer needed for the Tendem project. Create high-quality, persuasive pitch decks and one-pagers using PowerPoint, Keynote, Adobe Creative Suite, or Figma. Focus on visual storytelling and information design.

Experienced Defect Management Engineer needed for a 12-month freelance industrial project. Responsibilities include managing defect lists, quality inspections, and coordinating technical issue resolution. Requires a Mechanical or Process Engineering degree and 2+ years of relevant experience.

Electrical Lead to manage electrical site delivery for a large data center construction project. Responsibilities include installation, subcontractor coordination, technical interfaces, and quality control for LV/MV systems. Requires an electrical engineering degree and 8+ years of large project experience.