freelance English-speaking jobs in Wuppertal

The Senckenberg Biodiversity and Climate Research Centre seeks a Scientific Coordinator to support the Co-Chair of the IPCC Task Group on Data Support for Climate Change Assessments. The coordinator will support data and knowledge governance processes, coordinate data flows, organize meetings, and prepare reports and communication materials.

Stress Engineer (m/f/d) required for sizing structural parts and components using FEM techniques and classical methods. Experience in aircraft structural analysis and stress analysis tools (e.g., Nastran, Hyperworks) is essential.

Senior Account Executive (m/f/d) drives sales of complex AI projects in industrial automation for DAX companies and Hidden Champions.

Experienced Verification and Validation (V&V) Test Manager to plan, execute, and manage testing activities for complex systems in an Agile environment. Responsibilities include test planning, integration testing, verification and validation management, test case development, test automation, test execution oversight, and defect management.

Experienced Business Travel Consultant needed for a hybrid role supporting corporate travelers. Fluent German (C1+) and 5+ years of experience required. Strong GDS experience (Sabre, Amadeus, or Galileo) is mandatory.

Supervises a team of delivery drivers, ensuring driver performance, customer service excellence, and achievement of key operational KPIs. Responsibilities include driver coaching, KPI performance management, customer issue resolution, and promoting a safe and efficient work environment.

Continental seeks a Tax Compliance Manager to ensure adherence to German and international tax regulations. Responsibilities include developing and implementing tax compliance strategies, managing risk reports, and coordinating with internal and external stakeholders.

Design and implement scalable Pega architectures for insurance and public sector clients. Drive innovation with Pega and AI solutions. Lead sub-projects, complete projects, or specialist teams.

KLA, a global leader in semiconductor manufacturing technologies, seeks a Materials Handling Manager to join its team.

Lead and evaluate Managed Access Programs and Named Patient Use requests, ensuring robust benefit-risk assessments. Execute clinical-scientific activities across the product lifecycle, developing regulatory documentation and supporting global submissions.

Graduate Business Development Representative to qualify leads, generate new business opportunities, and build a sales pipeline. Must be a native German speaker with excellent English, and 1-2 years of experience in business development, sales, or a client-facing role.

Deliver groceries to customers efficiently by e-bike or e-scooter. Maintain a high level of customer service and consistently meet or exceed delivery targets. Earn at least €13.90 per hour plus tips.

Experienced Head of Cargo to lead the Cologne cargo division. Full P&L responsibility for operational performance, team management, and revenue growth. Focus on expanding time-critical logistics services (OBC, NFO, Direct Drive, Charter).

Content Creator will develop and refine editorial content for newsletters, landing pages, and brand pages. Collaborate with cross-functional teams to ensure consistent brand voice and successful campaign execution. Requires 4+ years of experience in copywriting, content creation, or editorial roles, ideally in eCommerce or lifestyle.

Manufacturing Engineer responsible for planning, procuring production equipment, and driving continuous improvement of manufacturing processes. Expertise in electromechanical and electronic products required.

Social Compliance Administrator needed for a major international data centre project in Germany. Ensures compliance with German and EU labour legislation, client requirements, and internal ethical policies. Supports implementation, monitoring, and continuous improvement of social compliance standards on site. Collaborates with project teams, subcontractors, and internal departments.

Drive technical transformation in manufacturing and quality operations by implementing automated inspection processes. Lead the design, development, and integration of automation solutions for product dimension measurement and defect inspection. Scale solutions to production, initiate process improvements, and support training on new processes and systems.

Primary and Secondary School Teacher (m/f/x) for Art will plan and conduct lessons in English, mentor students, and communicate student progress with parents.

As a Contract Sales Consultant, you will design and refine tasks for frontier AI agents, collaborating with research teams and sales experts. You will translate sales workflows into structured task specifications and contribute to AI research and benchmarking. Must have 5+ years of full-cycle B2B enterprise sales experience.

Lead multiple software development teams, driving development strategies focused on robust SaaS architectures and cloud technologies. Establish AI-native engineering standards, leveraging Claude Code and similar tools, to maximize AI-driven productivity. Ensure processes, quality, and security standards meet healthcare regulatory requirements.