freelance English-speaking jobs in Wuppertal

Installation Technician responsible for the delivery, assembly, and installation of electrical and electronic devices at customer sites. Requires a Class C driver's license and technical understanding of equipment operation.

Student assistant position supporting research on intelligent systems for improving manufacturing quality in medical technology. The 3-month project involves conducting experiments, developing sensor-based components, and analyzing manufacturing tolerances.

Electronics Architect to contribute to hardware, firmware, and electronic design. Support technical coordination, define interfaces, and create technical documentation. Collaborate with software development and external partners.

Leading €2 billion international FMCG and retail group seeks a strategic CFO to drive financial transformation, reporting, and expansion initiatives.

Bank of China Ltd. Frankfurt Branch seeks a Trader / Treasury Management professional for its Global Markets Department.

Support leading (re)insurance companies in navigating complex transformation initiatives. Analyze business models, design solutions, and collaborate with clients and project teams.

Provides technical support for complex customer issues, champions customer needs in new product development, and understands the integration of Beckman Coulter laboratory solutions.

As an H&S Specialist, you will contribute to the implementation and continuous improvement of Encavis' health and safety management systems across its renewable energy portfolio. You will monitor and analyze H&S performance, conduct audits, provide operational support, and coordinate with stakeholders to ensure a safe and compliant working environment.

Senior Commercial Manager leads the strategic and operational development of a key pan-European omnichannel account, driving revenue and profit growth. Manages cross-country customer strategies, leads negotiations, and ensures consistent execution of joint business plans. Optimizes omnichannel performance across all touchpoints and collaborates with international teams. Requires a degree in business administration, economics, or a comparable qualification, plus experience in Key Account Management within the consumer goods sector. Fluency in German and English is essential.

UPS Engineer (m/f/d) needed for Infrastructure Business Area Project Office. Collaborate with stakeholders to define system requirements, perform site surveys, and develop UPS system configurations. Integrate and configure UPS systems with other power infrastructure. Provide technical consultation on UPS system design, implementation, and lifecycle service strategy. Lead cross-functional troubleshooting and incident management. Bachelor's degree in electrical engineering or related field required. Minimum 5 years of experience as a Systems Engineer in UPS system design, integration, and maintenance. Strong understanding of power electronics, power distribution, and energy storage technologies. Excellent problem-solving and communication skills.

Product Operations Specialist responsible for maintaining product master data, preparing product information, and coordinating product-related processes. Requires experience in a structured administrative or operational role, strong attention to detail, and fluency in English and German.

Financial Planning and Analysis Specialist supports the head of Group FP&A in delivering financial analyses to support Group strategy and growth. Responsibilities include developing financial models, analyzing business performance, preparing scenario analyses, and coordinating annual planning and forecasts.

Service technician for maritime automation and control systems. Commissioning, inspections, maintenance, technical support, and training. Requires technical training, experience in automation, and strong travel flexibility.

Sales Development Representative needed for a fast-growing B2B SaaS company. Focus on outbound sales, cold calling, and generating qualified meetings. Must have German (C2) and English (B2+) fluency. Previous sales experience is a plus.

Business Development Manager will drive profitable growth for Microsoft Embedded/IoT by acquiring new customers and managing existing ones. The role involves building relationships with partners and vendors, identifying sales opportunities, and providing sales training. Requires experience in IT channel sales, strong communication skills, and fluency in English and German.

Postdoctoral Research Scientist to analyze multi-omics data, particularly spatial transcriptomics and single-cell RNA sequencing, to elucidate tumor microenvironment and cancer progression in renal cell carcinoma.

Lead a team of engineering specialists in the engineering of power plant and hydrogen business initiatives. Manage engineering-related risks and opportunities, ensuring compliance with technical contract execution and documentation standards.

The Cardiometabolic Imaging group at the University Hospital Düsseldorf seeks a Research Associate to investigate heart failure in ischemic cardiomyopathy. The position involves AI-supported analysis of cardiometabolic imaging data and requires a PhD in a relevant field, experience in MR sequence development or data analysis, and knowledge of image processing, data analysis, or machine learning.

Lead multiple software development teams, fostering innovation and collaboration. Establish AI-native engineering practices, leveraging Claude Code and similar tools, to drive productivity gains. Ensure adherence to quality, security, and regulatory standards. Synchronize product requirements with business objectives and communicate progress to executive management.

Solution Consultant for Infrastructure & Network required. Group-wide definition of network technology standards, management of service providers, and establishment of security standards. Requires a degree in computer science, electrical engineering, or comparable field with 3-5 years of experience in infrastructure & network technologies.