freelance English-speaking jobs in Wuppertal

Zerspanungsmechaniker*in to manufacture large components for space programs like Ariane 6 and SLS. Responsibilities include machine setup, production inspection, and simple maintenance.

Support research projects by maintaining financial databases, presenting data via economic analysis, and developing econometric procedures. Candidates need a relevant bachelor's degree and expertise in areas like microeconometrics or time series modeling.

Spacecraft Operations Engineer role involving satellite operations across all mission phases. Responsibilities include procedure development, system verification, telemetry analysis, and training. Requires a Master's/Diploma in Aerospace/Electrical Engineering or Physics and 5+ years of relevant experience.

Research Associate in Theoretical Chemistry/Computational Materials Modelling for a DFG-funded project on ammonia synthesis. Focus includes quantum-chemical calculations, structure analysis, and mechanistic studies using DFT and molecular dynamics.

Groundwater Modeling & Environmental Data Management Consultant needed to develop, calibrate, and interpret groundwater flow and contaminant transport models. Requires 2+ years of experience and proficiency with modeling software like MODFLOW.

Postdoctoral Researcher in Computational Immunology develops novel statistical methods and leads data-analytical projects. Requires a PhD in bioinformatics/computational biology, expertise in statistical modeling, and advanced programming skills.

Lead end-to-end Organic Social and Influencer strategy for Germany. Act as Social Media Editor-in-Chief, owning editorial direction and the creator ecosystem. Requires strong cultural awareness and bilingual skills in German and English.

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.

Conduct research and teaching in health and development economics. Responsibilities include implementing empirical studies, such as quasi-experimental and randomized field experiments. Requires a Master's in Economics and strong empirical skills.

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.

Specialist Accountant responsible for end-to-end General Ledger and Fixed Asset management for assigned entities. Core duties include month-end/year-end closing, reconciliations, and driving accounting standardization. Requires 3+ years of GL experience and IFRS knowledge.

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.

Experienced Account Executive to own the full sales cycle for Enterprise AI Solutions. Drive adoption of LangChain's products by acting as a trusted advisor to technical teams. Requires 5+ years selling complex software to enterprise customers.

Seeking a Managing Director & Managing Counsel to lead Asia-Pacific Legal for State Street Investment Management. This role provides strategic legal advice on distribution, client matters, and regulatory issues across the region.

Senior Mechanical Design Engineer to develop world-leading multi-disciplinary products for TOMRA sorting machines. Responsibilities include design, modeling, quality definition, and technical support. Requires 5+ years of experience and fluency in English and German.

Lead technical strategy for developer-facing AI agents, balancing prototyping and production delivery. Design scalable agentic infrastructure across full stack, from IDE internals to microservices. Requires 8 years in software development and 7 years in full stack roles.

Internship in Private Debt and Private Equity. Responsibilities include financial modeling, strategic analysis of target companies, and preparing investment memos. Requires a Business Administration/Economics background with finance focus, analytical skills, and fluency in English and German.

Win new enterprise customers for carbmee by owning the full sales cycle. You will build pipelines, navigate complex buying committees, and shape the value proposition for our environmental intelligence system. Requires 3+ years of B2B software sales experience.

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.

Own the vision, roadmap, and backlog for digital channels including websites, eBanking, and mobile apps. Drive product development in a cloud-native environment, translating needs into solutions. Requires 5-7 years as a Product Owner.