freelance English-speaking jobs in Wuppertal

Provides administrative and logistical support to the MTRI team. Responsibilities include organizing marketing activities, managing office supplies, handling correspondence, and planning events. Requires advanced MS Office skills, fluency in English and German, and strong organizational and communication skills.

Develop fullstack components using Node.js and TypeScript to deliver scalable products. Design features, optimize applications, and manage deployments. Experience in fullstack development, TypeScript, and Node.js is required.

Lead SAP controlling activities within the Record-to-Report Controlling IT team, driving innovations and ensuring successful implementation of new management accounting processes and functionalities. Coordinate R2R projects, guide interdisciplinary teams, and collaborate with business stakeholders on process design and solution concepts within SAP S/4HANA Controlling.

Sales Manager Europe responsible for achieving sales targets, managing customer relationships, and developing the sales organization. Requires a Master's or Bachelor's degree, sales experience, international customer relationship management skills, and fluency in English and German.

Field Service Technician for Sungrow in Northern Germany. Requires training as an electrical technician, master electrician, or relevant experience. Experience with medium-voltage switchgear, inverters, and communication protocols is needed. Must be fluent in German (C1 level) and have a driving license.

This role involves on-site support for aircraft inspections, creating non-conformities in SAP, and shift work. Responsibilities include technical assessments, complaint report preparation, and collaborating with suppliers and manufacturers.

Research Assistant (m/f/d) for a 3-year limited-term position at the Professorship for Experimental Physics and Material Science. The research focus is on microstructuring optical materials for integrated photonics, waveguide lasers, optical frequency conversion, and optomicrofluidics. Responsibilities include independent design, fabrication, and experimental investigation of microfluidic systems based on lithium niobate.

Develops and manages Cafeyn Premium distribution partnerships across Europe, with a focus on the DACH region. Leads the full sales cycle, from prospecting and pitching to closing deals. Manages executive relationships and collaborates cross-functionally.

Serves as a Postal Operations Assistant in designated postal facilities of IMCOM-Europe. Processes incoming and outgoing mail, operates customer service windows, and drives a step side van. Responsible for managing a flexible stamp and monetary stock, selling postage, and processing mail for dispatch. Handles, screens, and processes incoming and outgoing mail, including delivery, sorting, weighing, and metering. Maintains accountability and security of official mail accounts and USPS postage stamps. Collects and delivers mail and publications within buildings and on public roads. Operates a customer service window for package delivery and other oversized articles. Performs other duties as assigned. Requires a German driver's license class B and English Language Proficiency level C2.

Freelance lecturers are sought for Engineering and Energy Management programs. Responsibilities include teaching, curriculum development, examination design and grading, and student dissertation supervision. Applicants must have a PhD or PhD candidacy, prior university teaching experience, and fluency in English.

Porsche Consulting seeks a (Senior) Consultant to conduct strategic projects for aerospace OEMs and suppliers. Focus areas include product lifecycle optimization, production efficiency, and digitalization.

The Financial Controller supports the Finance and Controlling Manager in executing financial controlling tasks to ensure adequate company reporting. Responsibilities include consolidation and analysis of budget, forecast, and outlook metrics, preparation of financial statements, cash flow planning, and project controlling.

Develops and manages a portfolio of B2B clients within a specific geographical area. Searches for potential clients, analyzes customer needs, and presents UPS services. Focuses on retaining and penetrating existing clients. Completes maintenance, problem resolution, and sales management of the client portfolio.

Commercial Counsel to support international business operations and provide legal oversight across diverse jurisdictions. Draft, review, and negotiate international commercial agreements. Provide legal counsel to key business functions.

Develop and improve the global IT and Cyber Risk Management framework for EOS Group. Assess cyber and IT risks, translate them into management-relevant insights, and drive the transition to measurable risk evaluations. Create standardized risk assessments and templates for global technologies. Enable and advise local organizations through training, guidance, and methodological support. Act as a trusted advisor to IT, Compliance, and Management stakeholders. Support compliance and regulation requirements in alignment with national and international standards.

HiSERV seeks a Quality & ESG Specialist to ensure quality, efficiency, and environmental, social & governance standards across all operations. The role involves developing and implementing process improvements, maintaining compliance with regulations, and promoting a culture of continuous improvement.

Manage and grow customer relationships in the Automotive Fluids Independent Aftermarket, focusing on coolant/antifreeze and brake fluid products. Negotiate contracts and steer technical and commercial projects with customers and internal teams.

As an Application Engineer for the V93000 SoC ATE system, you will support customers in developing, optimizing, and troubleshooting semiconductor test programs while integrating AI/LLM capabilities into our software ecosystem. This role combines semiconductor test expertise with AI engineering, including developing test methodologies, collaborating on LLM-driven tool integration, and contributing to next-generation smart tooling.

Develop software tools for data management within a research environment. Focus on semantic web technologies, data documentation, and user-friendly data collection tools. Collaborate on projects, publish results, and mentor students. Requires a relevant master's degree, programming experience (Java, Python, JavaScript), and backend development expertise.

Designs, builds, and deploys production-ready AI solutions, integrating AI into existing business systems and optimizing performance. Maps business processes, identifies automation opportunities, and designs AI-enabled future states. Builds AI prototypes, demonstrates AI capabilities to prospective clients, and assesses client AI readiness. Requires 2+ years of AI/ML implementation experience, strong Python skills, and a portfolio of production AI/ML systems. Fluent English required.