freelance English-speaking jobs in Wuppertal

Service Club seeks a Senior Sales Executive to lead revenue growth in the German market. You will own the full sales cycle, from prospecting and discovery to closing deals. Experience in B2B SaaS sales, specifically within logistics, supply chain, or fleet management, is required.

As a working student, you will support the management of a global strategic customer within the Global Account Team. You will contribute to sales activities, planning customer events, and assisting with account planning and engagement.

IT Security Manager responsible for establishing, operating, and developing the ISMS (e.g., ISO 27001, TISAX). Defines and implements security policies, conducts risk analyses, and manages incident response.

Develop and deliver creative ideas for national and international brands. Lead photo and film productions, including concept development and supervision. Collaborate with Strategy, UX, Copy, and Tech teams.

Transaction and Valuation Manager (f/m/d) will lead valuation workstreams, prepare performance analysis, and model financial scenarios for E.ON Group decisions.

Supports Merchandising Lead and team in building profitable product assortments. Responsibilities include setting up products in PLM, participating in range meetings, and providing support for product group alignment. Requires strong data analysis, communication, and collaboration skills. Proficiency in SAP, Mainframe 3270, Lotus Notes, and Microsoft Office Suite is necessary.

IT Service and Incident Manager responsible for designing, maintaining, and improving IT controls and security measures. Manages ITIL-based service processes, conducts audits, and provides technical support for Matrix42. Requires a degree in computer science or related field, 3-5 years of IT service management experience, and knowledge of ITIL and relevant standards.

Manage daily cash management operations, including payment processing, bank statement setup, and system interfaces. Implement and administer a new treasury management system and contribute to the development of Power BI dashboards.

Responsible for the stable, high-availability operation of Oracle Engineered Systems in a data center environment. Monitor, analyze, and resolve issues in the Oracle Engineered Systems environment. Provision, implement, configure, and optimize IT systems. Contribute to the further development of the system landscape and participate in technical improvements. Manage and coordinate providers for the Oracle Engineered Systems infrastructure.

Process Development Engineer (m/f/d) for wide bandgap technology (SiC/GaN) at Nexperia. Work in an international team to develop and implement robust processes for semiconductor production.

Investigate and develop innovative methods for adapting, validating, and deploying foundation models in industrial automation. Focus on addressing latency, determinism, and safety constraints while ensuring compatibility with existing industrial standards.

Research position focused on modeling, simulation, and integration of mobile robotic systems. Requires expertise in simulation, virtualisation, and mobile robotics, as well as programming skills in C++, Java, or Python.

As a Service Technician, you will install, maintain, and repair robotic systems at customer sites across Germany, Austria, and France. You will diagnose and troubleshoot technical faults, conduct service checks, and ensure smooth system operation.

The BSZ seeks a DevOps Engineer to establish and expand a discovery index. Responsibilities include coordinating Kubernetes and SolrCloud infrastructure, developing SolrMarc-based processes, and integrating relational data storage. The ideal candidate has experience operating Linux environments, Kubernetes, and Apache Solr.

Develop and optimize optical system designs for automotive holographic displays. Translate system requirements into robust optical concepts and evaluate performance. Collaborate with interdisciplinary teams to ensure system feasibility and performance.

The Principal Sales Engineer provides technical expertise and pre-sales support, positioning N-able technology through consultations, presentations, and product demonstrations. They act as a trusted advisor, understanding customer challenges and proposing solutions. This role involves building complex proof-of-concept solutions, customizing prospect environments, and assisting sales reps in offering product solutions. The Principal Sales Engineer also performs advanced troubleshooting, identifies product improvement areas, and collaborates with product managers.

Design, build, and own core platform services including partner management, point-of-sale, billing, returns, fulfillment, and contract management. Build event-driven, async-heavy integrations between services and external systems. Help drive international expansion and partner with the technical lead on architectural decisions.

Experienced Graphic Designer sought for international opportunities. Create visually appealing designs for marketing materials, websites, and social media. Collaborate with marketing teams and stay updated on design trends.

Medical Director for AI Safety & Clinical Solutions will design and execute AI safety testing protocols for clinical AI modules. This role involves validating AI-generated clinical content, partnering with sales as a clinical subject matter expert, and engaging with clients to frame the value of Avo's solutions.

Tutor for the Xcool Lab, supporting school students in molecular biology and chemistry experiments. Prepare experiments, teach, supervise, and guide tours. Must be currently studying in a relevant field and have practical laboratory experience. Fluency in German and English required.