freelance English-speaking jobs in Wuppertal

Doctoral position in Plant Ecology focusing on "Scale Matters." Tasks include refining gas exchange systems, quantifying reaction norms, and modeling scaling relationships. Requires a Master's degree and basic programming experience.

Experienced Project Director needed to lead a large-scale data center construction project. Full project lifecycle management from concept design to handover, ensuring safety, quality, schedule, and cost objectives are met.

The first Head of Engineering will lead technical direction, scaling the team of five, and ensuring fast, high-quality delivery for an E-Mobility startup. Requires deep backend/DevOps expertise and AI-native thinking.

Sortation Associate role involves unloading, lifting, scanning, and sorting Amazon products. Candidates must be 18+, comfortable standing/walking for long periods, and proficient in German and/or English.

Drive commercial growth for Siemens' waste vertical by developing go-to-market strategy and building pipeline. Requires deep waste domain expertise, commercial drive, and experience in complex, multi-stakeholder environments.

PhD positions are available at the International Max Planck Research School for Functional Material Design. Candidates with an MSc in a natural science are sought to research sustainable materials in an interdisciplinary environment.

In a spacious modern setting full of opportunities for further development, ZEISS employees work in a place where expert knowledge and team spirit reign supreme. All of this is supported by a special ownership structure and the long-term goal of the Carl Zeiss Foundation: to bring science and society into the future together. Join us today. Inspire people tomorrow. Diversity is a part of ZEISS.

Founding Head of Engineering to build an AI-native logistics infrastructure company. This hands-on role involves shaping architecture, culture, and workflows from first principles using deep Python expertise and AI-native development.

Senior Field Sales Engineer / Account Manager drives strategic growth for regional customers and partners. Leads commercial engagement, identifies new business opportunities, and translates customer needs into growth plans.

Mechanical Design Engineer to shape multi-orbit spacecraft from proposal to production. Responsibilities include mechanical analysis in 3DX/Abaqus, CAD modeling in CATIA/3DX, and supporting integration and verification. Requires 2+ years in spacecraft mechanical design.

Lead global Treasury and M&A for BASF Agriculture as the company prepares for an IPO. Define treasury strategy, manage financial risks, and execute M&A transactions. Requires finance/business degree and extensive leadership experience.

Supervise clinical trial conduct for the Global Medical Affairs team, coordinating GCP-compliant study projects. Responsibilities include monitoring, protocol evaluation, and managing external partners. Requires experience in clinical trial management.

Bilanzbuchhalter supports trade invoicing within the O2C process, handling SAP topics, E2E monitoring, and process development. Requires 2-5 years in AR/Invoicing/Supply Chain, ideally with SAP R/3 or S4/HANA knowledge.

Senior Fund Accountant assists with accounting for alternative asset classes under various GAAPs. Responsibilities include NAV calculations, financial statement preparation, and investor reporting. A degree in Accounting or Finance is required.

Experienced CFO to lead finance, accounting, controlling, legal, insurance, governance, and compliance for a growing PE-backed industrial company. Responsibilities include financial reporting, budgeting, forecasting, and driving EBITDA, margin, and cash flow performance.

Senior Analog/Mixed-Signal IC Designer for Automotive ASICs. Design and develop high-performance circuits for electrification and smart power applications, owning the full development flow. Requires experience in analog/mixed-signal design and verification.

For our secondary school in Heilbronn and Erlenbach we are looking for a Biology Teacher (Bilingual: German & English) (in part-time or full-time)

Responsible for mechanical site supervision during wind turbine installation and completion. Ensures safe, high-quality, and on-schedule execution. Provides technical coordination and supervision of external contractors. Reviews turbine-related reports and documentation. Participates in project and site meetings.

Molding Technology Engineer to support new project development and provide technical support for existing projects. Responsibilities include on-site molding trials, defect troubleshooting, and offering recommendations on design, mold, and materials. Requires 3+ years in injection molding.

This Assistant Vice President role supports money laundering, sanctions, and fraud compliance. Key duties include performing quality control tests on AML and fraud investigations and reviewing cases. Requires demonstrated business experience in AML or fraud.