freelance English-speaking jobs in Wuppertal

MODOLINGO International Language Centre seeks enthusiastic Italian and Spanish trainers for on-site corporate language training in Munich.

Leads accounting, ERP, and compliance for a German GmbH, overseeing financial reporting, risk management, and process improvement. Manages a team of 2-3 accounting professionals and supports strategic initiatives including group restructuring and financing. Requires expertise in German GAAP (HGB), consolidation, and tax regulations.

The Cadillac Formula 1® Team seeks a Model Technician to produce, assemble, and deliver high-precision aerodynamic components for the Wind Tunnel Model. Responsibilities include completing geometry changes, ensuring parts are fitted accurately, and supporting model design engineers. The ideal candidate has experience in model-making in a high-level motorsport environment and a strong understanding of mechanical installations and assemblies.

The TTS Client Executive leads strategic initiatives, drives project success, and maximizes revenue growth and retention for a dedicated client portfolio. This role acts as the primary client interface, fostering a strategic partnership and ensuring a superior client experience.

Intern will support the development of global retail assortments, analyze consumer and market data, and collaborate with international stakeholders to shape customer experiences.

Support the testing team in software development for electric drives, focusing on CI pipelines and tools. Tasks include further development of Gitlab and Python, cloud infrastructure commissioning, data evaluation, and AI agent implementation.

Lead a team of MSAT specialists, driving technology transfer and process validation for biopharmaceutical projects at the Heidelberg site. Champion scientific excellence, process improvement, and client partnership.

Leads commercial sales operations for international client accounts, ensuring effective delivery through project teams. Manages senior client relationships, identifies growth opportunities, and translates client strategies into operational plans. Provides leadership, direction, and performance expectations for project directors, managers, and operational teams. Ensures project delivery aligns with sales targets, operational milestones, and quality standards.

The P&OG Consulting Lead for Diagnostics designs and accelerates organizational effectiveness and transformation initiatives across the Pharma division. This role leads and executes large-scale change and transformation initiatives, partnering with key business leaders and other teams.

PhD position (f/m/d) in cancer metabolism and metabolic plasticity during metastatic progression. The position involves standard molecular biology techniques, cell culture, and animal experiments. Applicants should have a strong background in cancer metabolism and/or cancer metastasis research and experience with cell culture.

Experienced Bakery Sales Persons needed for a well-established bakery team in Germany. Assist customers, sell bakery products and beverages, handle payments, and maintain hygiene standards.

Production Underwriter manages and expands a portfolio of mid-market property business in Germany. Responsibilities include risk selection, rating and pricing, terms and conditions, capacity commitment, reinsurance placement, policy construction, loss control needs, and ongoing account management.

Security Analyst / Product Security Engineer will define and maintain the security architecture of tester software, focusing on Linux workstation software. Responsibilities include translating CRA cybersecurity requirements into software development practices, performing threat modeling and vulnerability analysis, and establishing secure development processes. The role requires experience with secure software design, threat modeling, and security testing techniques.

Support compliant technology and product development with a focus on biological safety. Lead biological safety evaluations, serve as a technical contact for biocompatibility topics, and collaborate with cross-functional teams.

Expat Dispatcher (m/f/d) for Purchasing & Logistic control in Craiova, Romania. After training in Germany, you will set up inventory control and storage management. Responsibilities include controlling goods receipts, managing inventory, coordinating deliveries, and handling urgent buy part recovery. Requires vocational training in freight forwarding or industrial clerk with logistics experience and SAP skills.

Research Associate for a project focused on quantum simulation of frustrated spin models in 3D using Rydberg atoms in optical tweezers. Duties include research, characterization of Rydberg excitation, and implementation of Rydberg blockade fidelity. Requires a Master of Science in experimental physics with experience in neutral atoms, optical tweezer arrays, and Python programming.

Sales & Alliance Manager for Latin America will drive sustainable commercial growth across key markets, collaborating with regional distributors and internal stakeholders.

Evaluate search results and AI-generated content for quality, relevance, accuracy, and usefulness. Conduct online research to verify information and apply rating guidelines consistently. Document edge cases and provide clear written feedback.

The Finance Director will lead a team of Finance professionals, partnering with the Global CLT to drive financial planning, reporting, and operational ownership for HelloFresh SE, HelloConnect Inc., and HelloFresh Services Poland. This role requires expertise in P&Ls, Balance Sheets (IFRS and HGB), and Cash Flow statements, as well as experience in audit, budgeting, and financial systems.

Process Engineer (m/f/d) for CAD/DMU at Airbus Defence & Space in Manching. Develop and deploy CAD/DMU methods and tools, specify requirements, and provide user training.