freelance English-speaking jobs in Wuppertal

Research Assistant (m/f/d) for a limited period of 2 years at the Faculty of Electrical Engineering, Chair of Signal Processing for Medical Applications. Responsibilities include independent research on speech enhancement, multimodal signal analysis, and analytics for interpretable AI.

Transaction and Valuation Manager (f/m/d) will lead valuation workstreams, prepare performance analysis, and model financial scenarios for E.ON Group decisions.

Lead System Architect to design, architect, and deliver enterprise-scale Pega solutions. Provide technical leadership, conduct design and code reviews, and ensure application scalability, performance, and security. Fluent German and English required.

Drive the adoption of AI infrastructure across the healthcare ecosystem. Lead strategic sales, pipeline management, and market innovation. Build and scale enterprise deals, exceeding revenue targets.

Investigate and develop innovative methods for adapting, validating, and deploying foundation models in industrial automation. Focus on addressing latency, determinism, and safety constraints while ensuring compatibility with existing industrial standards.

Experienced Client Director to drive distribution activities within the German Wholesale and Retail client segment. Develop client relationships, identify growth opportunities, and position the firm as a trusted partner.

Design, build, and own core platform services including partner management, point-of-sale, billing, returns, fulfillment, and contract management. Build event-driven, async-heavy integrations between services and external systems. Help drive international expansion and partner with the technical lead on architectural decisions.

This role involves managing information in computer databases, handling guest inquiries, and performing administrative tasks such as preparing documents, managing mail, and maintaining filing systems. Employees must adhere to company policies, provide excellent guest service, and communicate effectively with colleagues.

Deliver groceries to customers efficiently by e-bike or e-scooter. Meet and exceed delivery targets while providing exceptional customer service. Earn at least €13.90 per hour plus tips.

As an Investment Valuation Manager / Associate, you will provide valuation expertise for development projects, transactions, and operational assets in the renewable energy sector. You will support investment decisions, refine valuation methodologies, and ensure the quality of financial models.

As a working student, you will support the management of a global strategic customer within the Global Account Team. You will contribute to sales activities, planning customer events, and assisting with account planning and engagement.

Design Quality Engineer ensures product quality and safety by coordinating quality activities, supporting development teams, and managing certifications.

Provides high-level administrative support to the Group CEO, managing complex international schedules, correspondence, and sensitive information. Ensures seamless daily operations, effective coordination, and the highest standard of executive support.

The Chief Information Security Officer will establish and implement the security strategy for BitGo EU. This role will lead the identification, assessment, and treatment of information security risks, ensuring compliance with BaFin, DORA, and MiCA regulations. The CISO will also own incident response and reporting processes, define security policies, and collaborate with global security teams.

Process Development Engineer (m/f/d) for wide bandgap technology (SiC/GaN) at Nexperia. Work in an international team to develop and implement robust processes for semiconductor production.

Study Physician responsible for medical oversight of clinical trials from design to reporting. Requires MD degree, minimum 4 years clinical practice experience, and expertise in relevant therapeutic areas. Experience in pharma industry or CRO preferred.

Research Physics Expert needed for contract role. Solve physics challenges, decompose problems, author Python solutions, and audit submitted answers. PhD or higher in relevant subfield required. Demonstrable publications and proficiency in LaTeX, Python, Jupyter, and SymPy.

A fully funded 4-year postdoctoral position is available at the Max Planck Institute for Human Cognitive and Brain Sciences in Leipzig, Germany. The position is focused on social cognition and how spatial coding principles extend to social cognition and belief formation. Applicants should have a PhD in a relevant field and expertise in cognitive neuroscience methods.

Warehouse employee for Arvato in Hanover. Duties include order picking, operating packaging machines, labeling goods, and maintaining Excel spreadsheets. Requires German, English, or Polish language skills and knowledge of Excel.

Support and implement the Compliance Monitoring Program/System. Conduct audits and inspections in Airworthiness, Maintenance, and Management Systems. Ensure compliance with aviation legislation and industry standards. Draft and review company documentation.