freelance English-speaking jobs in Wuppertal

Process Specialist supports production by analyzing and resolving manufacturing and quality issues. Responsibilities include optimizing assembly processes, reducing scrap, and documenting solutions using Lean and Six Sigma methods. Requires experience in complex medical disposable product manufacturing.

Field Technician performs installation and maintenance of communication systems and network infrastructures. Responsibilities include diagnosing technical issues, providing on-site client support, and documenting service activities. Requires technical certification and proven field technician experience.

Lead Digital First, Large Customer Sales, driving growth for digitally-native companies using AI-powered advertising solutions across Search and YouTube. Requires 15 years in sales leadership and fluency in German and English.

As a Bioinformatician / Data Scientist, you will support the generation, structuring, processing, and analysis-readiness of high-dimensional patient data across genomics, transcriptomics, proteomics, epigenetics, liquid-biopsy, and functional ex-vivo datasets. You will ensure data is properly ingested, organized, quality-controlled, documented, and made available for downstream analyses, clinical interpretation, and digital-twin development.

Procurement Specialist for Facility & Construction Services. Develop and execute procurement strategy for the Sales market, managing supplier base, agreements, and compliance. Requires 3+ years in procurement with strong negotiation skills.

Spring Internship in Risk Management within a global asset management organization. Support daily risk monitoring, financial analysis, and international projects for investment funds. Requires study in economics, quantitative finance, or related fields.

Senior Business Development Manager to develop sales strategies for Hong Kong and European markets. Responsibilities include identifying new business in airport, port, and transport sectors, managing negotiations, and building key regional accounts. Requires 5+ years of overseas sales experience.

Study Engineer - SAR System and Performance for the Microwave Instruments Future Program. Execute system and interface engineering across disciplines and model system performance. Requires conceptual creation of complex SAR systems and proficiency in MATLAB. Fluent German and very good English skills are necessary.

Manage day-to-day operations of after-sales service partners in Germany and Europe. Support partner development, implement service processes, and monitor KPIs. Requires analytical skills and cross-functional coordination.

Aircraft Mechanic - Sheet Metal performs routine and non-routine sheet metal work, manufactures and installs components, identifies and repairs structural damages, and ensures compliance with EASA Part-145 regulations.

This fast-track program offers early leadership exposure across strategy, products, customers, operations, and sales within a global industrial manufacturing organization. Requires a technical or business degree and fluency in English and German.

Develop highly integrated RF SoCs for automotive radar applications. Responsibilities include mixed-signal SoC ASIC implementation, HDL checks, floorplan creation, and sign-off verification like STA and EM. Requires knowledge of digital ASIC design and analog RF SoCs.

Define security standards for the Data Space Project and GHGA infrastructure. Responsibilities include ISMS creation, risk management, and security guidance, requiring expertise in BSI IT-Grundschutz and ISO 27001.

Engine Mechanic performs maintenance on engines at Airbus Hamburg, ensuring delivery schedules are met. Responsibilities include unscheduled maintenance, adhering to regulations, and recording tasks in information systems. Solid mechanics knowledge and technical English are required.

Lead revenue growth for a PE-backed B2B property management platform. Build the institutional segment from zero, design sales operating systems, and own pricing strategy. Requires 7+ years of B2B commercial leadership.

AI Architect to define scalable, resilient agent architectures. Responsibilities include building RAG pipelines, implementing guardrails, and developing monitoring mechanisms. Requires expertise in agentic patterns, Python, and cloud AI solutions.

Design and develop battery energy storage systems across the full lifecycle, from feasibility to commissioning. Requires 5+ years of BESS experience, including lithium-ion and BMS knowledge.

Senior Project Manager to lead complex data centre and mission-critical projects. Requires 7+ years managing multidisciplinary projects, strong client-facing skills, and fluency in German and English.

AI Research Engineer will design, develop, and deploy AI-driven security services. Responsibilities include prototyping, testing, and benchmarking AI models, as well as staying abreast of AI/ML advancements. Requires experience in Go, Python, cloud-native architectures, and AI/ML techniques.

Senior Partner role to build and lead a data proposition across Germany and Europe. Requires deep expertise in data strategy, governance, and integration, with a track record leading complex transformation programs and translating technical details into board-level strategy.