freelance English-speaking jobs in Wuppertal

Treasury Manager to shape group-wide liquidity management. Responsibilities include cash flow planning, reporting, and monitoring performance across international subsidiaries. Requires a degree in finance and 2-3 years of relevant experience.

Automotive Diagnostic Technician needed to assist retailers with technical/mechanical vehicle concerns. Requires motor vehicle technician training, diagnostics experience, and native Italian with good English.

This role sets strategic direction for existing cardmember growth by designing product enhancements and loyalty initiatives. Responsibilities include P&L management, portfolio growth, and cross-functional collaboration. Requires 5+ years leading ECM Growth initiatives.

Manage the CEO's LinkedIn presence and the company page, maintaining a content calendar. Develop brand awareness content, support X, and assist with website updates. Requires LinkedIn content experience and strong English communication.

Working Student Data Analytics for Infotainment Systems analyzes quality and usage data from customer vehicles. Tasks include applying AI/ML to large datasets and creating visualizations to improve customer experience.

Postdoctoral Researcher needed to investigate and enhance bacterial degradation of polyethylene. Responsibilities include planning experiments, transcriptomic analysis, and process optimization. Requires a PhD and expertise in molecular biology and microbiology.

Seeking an entrepreneurial Business Development Manager to spearhead new business for Solar PV mounting and tracking solutions. This omni-channel role requires a hunter profile to penetrate utility, C&I, and distribution markets. Requires 5+ years in renewable energy B2B sales.

Software Engineer C#/C++ focuses on designing and evolving software architecture for AWG products. Responsibilities include independent feature implementation, translating requirements, and maintaining high software quality. Requires 8+ years of R&D experience in C# and C++.

Seasoned Project Manager needed for semiconductor IP customization and pricing. Requires 10+ years in foundry operations, IP customization, RFQ management, and SOW development. Must have a BSEE and expertise in major foundry ecosystems.

Drive operational execution for new product launches and changes. Own readiness from order to fulfillment, ensuring OTIF delivery by steering cross-functional teams across the global value chain.

PostDoc role in Extracellular Vesicle Biology. Design and execute wet-lab experiments to analyze EVs from human matrices for diagnostic potential. Requires PhD and expertise in EV enrichment and analysis techniques.

Business Development Manager to build international B2B business for a deep-tech startup. Manage the full sales journey from initial contact to production, developing new customer relationships. Requires 3+ years in B2B hardware/electronics with technical sales experience and fluency in German and English.

Build and run internal data products like pipelines, datasets, and APIs using Python, SQL, AWS, and Databricks. This hands-on role requires 3-5 years of experience and strong engineering discipline.

Senior Security Assurance Specialist reviews security controls and audits findings. This role involves managing third-party risk, supporting audits, and tracking regulations like ISO 27001, PCI DSS, and NIST.

Principal Scientist in In Silico Research & Modeling drives computational science for drug product development. This role leads molecular modeling, simulation, and AI/ML applications to accelerate innovation in biologics and advanced therapeutics.

Own the strategy and delivery of complex, first-time automation infrastructure deployments globally. Define deployment plans, manage full lifecycle builds, and build scalable processes for Robotics Delivery & Packaging Innovation.

Internship in M&A for Q3 2027. Support sell- and buy-side projects, pitch preparations, and research. Requires strong academic background in economics or finance, and fluency in German and English.

Results-driven Sales Manager needed for Mid-Market, focusing on new business acquisition of Cendyn's cloud software in the Hotel industry. Requires proven SaaS sales success and strong pipeline management.

Lead Accounts Payable oversees AP operations, vendor master data governance, expense management, and audit readiness. This role leads a team of five to ensure efficient and compliant execution of all AP processes.

Own high-impact partnerships with leading drugstore retailers. Develop strategic customer plans, manage turnover, margin, and budgets. Requires experience in FMCG drugstore sales and strong negotiation skills.