freelance English-speaking jobs in Wuppertal

Private Doctor providing one-to-one medical care to a UHNW Principal on a private yacht itinerary in the Mediterranean. Requires a recognized medical degree, minimum 5+ years post-specialization, and fluency in English. Experience in private medicine, executive health, or travel medicine preferred.

Execute troubleshooting, maintenance, and repair tasks in accordance with DIN EN 13306 and DIN 31051. Assist with spare parts management, system optimization, and functional testing. Participate in modification work, commissioning, and recommissioning of facilities. Fabricate parts, manufacture test equipment, and support operational processes.

Global Lead Engineer provides technical support for design, documentation, testing, and commissioning of MV/LV systems, Protection & Control, Automation, Auxiliary Systems, eHouse, and mobile solutions. Supports local units in tender and project documentation, participates in meetings, and resolves technical issues. Collaborates with Supply Chain, factories, and local units to ensure successful project execution. Requires expertise in Data Center applications, particularly Hyperscale and Colocation environments, and experience with EPC engineering and switchgear processes.

This role supports business operations resilience by contributing to emergency planning, identifying vulnerabilities, and managing risk. The Loss Prevention Expert serves as a point of contact for security-related matters, ensures compliance with Amazon security standards, and owns security and loss prevention projects.

The Mechanistic Modeling Specialist supports customers in optimizing downstream processes using GoSilicoTM Chromatography Modeling Software. This role involves leading technical discussions, conducting independent modeling work, and delivering training courses.

Qualtrics seeks a proactive Enterprise Account Executive to drive revenue growth in the DACH market. This role focuses on acquiring new business and expanding existing accounts by selling the Qualtrics Platform to key accounts. Responsibilities include developing account plans, managing relationships with senior executives, and crafting tailored solutions to address client business issues.

a&o Berlin is seeking a motivated student for a part-time, all-rounder position. Responsibilities include guest check-in/out, bar service, and assisting with breakfast, lunch, or dinner buffets. Must be a registered student with a valid enrollment certificate, strong German and English skills, and a commitment to teamwork.

Drive energy procurement strategy, optimize costs, ensure compliance, and promote sustainability through smart sourcing and Power Purchase Agreements (PPAs). Develop and implement negotiation strategies, analyze energy consumption, and evaluate/select energy suppliers.

Rosenxt is seeking a candidate for a thesis in the direction of acoustic lensing. The research will explore the use of acoustic metamaterials to shape sound beams and potentially focus sound emissions for high-resolution detection of geometric features.

Supports the execution of daily payment processes, ensuring accurate recording, monitoring, and documentation of transactions. Assists with payment-related issue resolution and prepares reports on payment volumes and performance.

Drive sales and manage customer platforms in the automotive repair industry. Promote Berner as a premium brand and handle objections, delivery, and quality claims. Analyze sales area KPIs and report to superiors. Collaborate with the sales team to achieve performance targets.

Global Project & Marketing Manager for a leading fragrance company. Manage fragrance projects from initiation to presentation, coordinate internal teams, and build client relationships. Requires 5+ years experience in a commercial or marketing role, strong presentation skills, and fluency in English. German fluency preferred.

Senior Video Sales Specialist drives scaled sales strategies for Streaming TV and Programmatic Open Internet Video solutions across Prime Video, Twitch, Live Sports, and third-party Online Video. Partners with product, business, sales, and finance teams to deliver customer support and develop sales packages.

This role is a hands-on, business-facing HR leadership position supporting manufacturing scale-up, cross-border operations, and M&A activities across Europe. The HR Manager will partner with Europe leadership, ensuring alignment between global HR frameworks and local execution.

Program Manager Education will plan and execute educational programs, manage participant communication, handle program documentation and administration, and support budget administration.

Materials Engineering Specialist needed to verify AI's identification of material properties, formulas, and usage suitability. Requires a Bachelor's Degree in Materials Engineering or Metallurgy, native-level proficiency in your primary language, and basic English.

Research Associate for the "Prediction of Seismic Wavefields at Depth" project. Develops and implements machine learning architectures to predict ground motion at depth using surface seismic measurements. Collaborates with national and international partners to validate prediction capabilities.

Market Strategy Senior Manager will analyze market trends, technology roadmaps, and competitive landscapes to develop and implement segment strategies. Requires a Master's degree in a science or engineering field, 10+ years experience in power electronics, and strong analytical and communication skills.

Office Manager / Receptionist responsible for creating a positive work environment, coordinating office initiatives, and providing support to employees and visitors. Requires 3-5 years of experience in a similar role, excellent communication skills in English and German, and a service-oriented mindset.

The German Cancer Research Center (DKFZ) seeks a Scientific Solution Architect for the MEDAL project. This role involves designing and building the technical foundations of a platform for medical imaging AI benchmarking. Responsibilities include conceptualizing secure workflows for data submission, defining architectural concepts for the platform, and translating scientific and regulatory requirements into technical concepts.