freelance English-speaking jobs in Wuppertal

Service Technician for Wind Turbines performs on-site servicing and maintenance. Responsibilities include repairing turbines, analyzing errors, and documenting work. Requires vocational training in electrical engineering or similar fields.

Sales Manager North Europe responsible for business across the region. Duties include new business development, key account management, and market analysis within specialty retail. Requires 3+ years of sales experience.

Teach elementary students core aspects of German culture, history, and social studies. Collaborate with American teachers on curriculum and use diverse methods. Requires first state examination and C2 proficiency in English and German.

Senckenberg seeks 2 Postdoctoral Ecologists for projects on freshwater biodiversity change and monitoring. Candidates need a PhD, R skills, and experience in biodiversity change, community ecology, or time series analysis.

Project Manager Design System manages the full project life cycle for a technology platform. This role requires 5+ years in the semiconductor business, ideally with project management experience.

System Engineer to design and support mechanical systems for complex ship operating systems. Responsibilities include supplier management, project support, and ensuring quality standards. Requires a relevant degree and fluency in German and English.

Own global category strategy for Li-ion, Na-ion, and ultracapacitor technologies. Manage cost, supply security, and commercial excellence across the full component lifecycle. Requires 8+ years in strategic sourcing and battery supply chain.

Consultant for the Energy Sector develops pragmatic solutions for energy utilities, focusing on transformation and digitalization. Requires a college degree in economics, engineering, or natural sciences.

Flight Physics Engineer to own aeroelastic compliance for CS-23 certification. Perform analysis using MSC Nastran, update FE models, and prepare compliance documents. Requires a Master's in Aerospace Engineering.

Support integration and flight testing of scaled demonstrator aircraft. Tasks include installing systems, building harnesses, and analyzing test data. Requires enrollment in aerospace or mechanical engineering.

Coordinator/Tour Manager for American, Canadian, and Brazilian university groups. Support and accompany overseas student groups in Europe, managing tour logistics and providing local information. Requires fluency in English and German.

Plan and conduct Functional Safety audits and technical reviews for complex systems, ADAS, and AD, evaluating ISO 26262 work products. Review SOTIF and AI-driven systems, supporting Type Approval and global project coordination.

Define and drive the global Integrated Circuit commodity strategy. Lead the IC Commodity Engineering network, driving standardization, risk mitigation, and cost optimization across global suppliers. Requires expertise in semiconductors and strategic supplier management.

Strategic Account Executive for Financial Services, driving digital transformation for top-tier enterprise accounts. Act as a trusted advisor to C-level executives, defining multi-year roadmaps and leading cross-functional teams to deliver AI and cloud solutions. Requires 15+ years of experience and fluency in English and German.

Project Engineer (m/f/d) Aftersales develops technical solutions and manages customer retrofit projects. Requires a technical degree, project management experience, CAD/ERP knowledge, and fluent German/English.

Own a quota-bearing, hunter-focused role developing new pipeline in Industrial Robotics & Defense. Sell integrated hardware, software, and services to large OEMs, defense primes, and scaling companies. Requires 12+ years of relevant sales experience.

Test Engineer for embedded systems ensuring quality and safety of medical device software. Develop manual and automated test specifications, execute tests, and maintain regression suites. Requires experience in embedded systems testing.

Strategic Supplier Manager responsible for building and governing Global Integration Centers. This role involves strategic Tier-1 supplier relationship management, commercial negotiation, and ensuring supply network resilience. Requires 5+ years in strategic supplier management.

Support the Pre-Sales team by preparing presentations, demos, and proposals for RegTech solutions. Responsibilities include RFI/RFP assistance, maintaining demo environments, and conducting market research. Must be fluent in German and English.

Senior Optical Engineer develops hardware for machine vision, including cameras and 3D systems. This role defines optical requirements, designs components, and collaborates across engineering disciplines and international partners.