freelance English-speaking jobs in Wuppertal

BI Specialist Finance & Data Modeling combines finance expertise with data modeling to create trustworthy insights. Design, develop, and maintain enterprise data models using SQL, Power Query, and ETL/ELT tools.

Drive the global Workday strategy, roadmap, and governance. Own the backlog, manage stakeholders across countries, and ensure platform stability and business value for HR processes.

Research Scientist to drive AI-driven transformation of optical system development. Develop AI workflows combining modeling, simulation, and machine learning for efficient design processes. Requires a PhD and background in optics, ML, or scientific computing.

Experienced Medical Science Liaison specializing in Oncology sought. Responsibilities include establishing scientific collaborations, engaging healthcare providers, disseminating scientific information, and managing research interests. Requires a life sciences degree, 3 years of medical affairs experience, fluent German, and professional English.

Sales Specialist, Loyalty Solutions seeks a business development professional to sell loyalty solutions to financial institutions in Germany. This individual contributor role involves creating propositions and managing end-to-end deal closures. Experience in Platform/SaaS or financial services sales is required.

R&D Test Engineer for high-voltage products, focusing on gas-insulated switchgear. Plan and execute lab tests, analyze results, and collaborate with global R&D teams to ensure design requirements are met.

Director/Senior Manager Finance drives financial integration of M&A and carve-outs. Leads global transformation programs, managing integration workstreams from planning through execution. Requires 3+ years of post-merger integration experience.

Supply chain quality engineer for complex cable assemblies. Drive NPI, ensure manufacturing quality and reliability in outsourced supply chains, and manage supplier qualification. Requires electronic engineering background and knowledge of connectors.

Production Machine Operator responsible for operating, monitoring, and setting up machinery. Duties include quality checks, fault rectification, and data recording. Requires experience as a machine operator.

Finance Partner Operations supports Operations leadership on strategic decisions across supply chain, inventory, and logistics. This role drives financial steering, leads budgeting/forecasting, and translates complex data into actionable insights. Requires relevant finance experience and fluency in German and English.

Drive plant-based protein portfolio expansion as a subject matter expert. Own technical protein data, advise on molecular attributes, and provide hands-on support during scale-up and industrial trials.

Director Legal at KXL serves as the central legal point of contact, driving compliant digital processes across technology and law. Responsibilities include regulatory compliance, contract management, data protection oversight, and advising senior leadership.

Lead KLU SPARK, the innovation platform, during a one-year interim period. Develop programs, build strategic partnerships, and strengthen the community connecting students, founders, and corporate partners.

Lead SAP Business Solution Architect specializing in Logistics is sought for a B2B freelance contract. Requires SAP OTC or P2P experience, S/4HANA knowledge, and fluency in English and German.

Working Student Legal & Compliance assists with contract reviews, legal/regulatory research, and compliance projects. Requires current enrollment in a law-focused degree program and fluency in German and English.

Freelance Clinical Legal Translator needed for English to Traditional Chinese (Taiwan). Translate and proofread documents for international clients in the Clinical Legal sector. Requires excellent language skills and attention to detail.

Perform remote and on-site commissioning of control systems for utility-scale power plants. Responsibilities include SCADA scope management, technical coordination, and utilizing PLCs/RTUs for automation. German and English fluency required.

Research Associate for a project studying faint, distant quasars at Cosmic Dawn. Requires a doctorate in a relevant field, research experience in extragalactic astrophysics, and data analysis skills.

Own end-to-end design for customer-facing surfaces across web, iOS, and Android for five markets. Manage the design system and AI shopping assistant interface, driving UX strategy and user research.

Assembly & Production Assistant role focused on hands-on manufacturing support, including wire assembly and component preparation. Requires good manual skills, attention to detail, and proficiency in German or English.