freelance English-speaking jobs in Wuppertal

Own and scale Mozilla's web bug bounty program, managing strategy and external researcher relations. Lead triage, drive vulnerability remediation, and improve secure development practices. Requires 3+ years in security engineering.

Associate Program Manager drives high-priority strategic initiatives alongside leadership. This role executes AI-led growth, optimizes global operations, and translates strategic intent into measurable outcomes.

Senior Talent Acquisition Manager to oversee end-to-end hiring processes and optimize talent acquisition systems. This role manages a distributed team, designs scalable workflows, and analyzes hiring metrics to improve efficiency. Requires ATS experience and data-driven decision-making.

Lead SAP development in the S/4HANA transformation, designing scalable solutions using ABAP, CDS, OData, and Fiori/UI5. Ensure compliance with Clean Core principles and mentor teams.

Design Engineer ensures design services meet customer requirements within integrated programs. Responsibilities include executing design work packages, creating technical solutions, and preparing design data for approval. Requires up to 4 years of formal engineering study or comparable experience.

Senior Brand Lead DACH (Consumer Health) drives growth by leading brand and commercial strategies across Germany, Austria, and Switzerland. This role requires P&L ownership, market strategy execution, and cross-functional leadership in Consumer Healthcare.

Board-certified Psychiatrist needed to evaluate LLM reasoning on advanced cases. Develop expert diagnostic challenges and provide gold-standard answers. Requires MD/DO, active board certification, and 3+ years of independent practice.

Senior AI Transformation & Innovation Consultant leads complex, business-critical problems for strategic global accounts. Architect and prototype state-of-the-art AI solutions on the Celonis platform. Native German proficiency is required.

Principal Business Development Manager for CMTS Cell Culture Media. This field-based role involves winning high-value strategic opportunities through workflow design, regulatory influence, and innovation. Requires a Master's in Life Sciences and extensive technical sales experience.

This role requires an IM Delivery Specialist Finance to design and develop IT solutions for Finance and Controlling. Responsibilities include managing application development and operations, architecting solutions, and ensuring system functionality.

Deployment Engineer needed for a fast-growing XR/security-critical tech company. Responsibilities include on-site software/hardware deployment, troubleshooting, and managing Android/XR device fleets. Requires 3+ years of relevant experience.

Director, Sponsorship Sales & Partnerships to lead the commercial engine by nurturing and expanding global sponsor partnerships. Focus on deepening relationships within large organizations, with a second focus on winning new logos or growing NeuGroup for Value Creation.

Senior Project Manager to execute retail strategy for ZEISS Extended Reality. Responsibilities include designing customer journeys, managing cross-functional projects, and driving continuous improvement across online and in-store touchpoints.

Multi Category Buyer for a 9-month fixed-term project transforming Global Procurement. Responsibilities include coordinating services and works procurement, supporting digitalization, and preparing administrative documents. Requires analytical thinking and strong English and Spanish skills.

Develop and revise safety and loss prevention systems. Prevent asset loss via investigations, audits, and process optimization. Manage safety for operations, fleet, and last-mile delivery. Requires 5+ years in retail/e-commerce and 3+ years in team management.

Lead and coach a team of full-stack engineers for the Supply domain. This player-coach role involves shaping the roadmap, guiding architecture, and ensuring quality delivery within a marketplace environment.

SAP Application Consultant supports daily stability of SAP modules, focusing on workflow tools and archive systems via incident handling. Provides 2nd-level user support, implements enhancements, and contributes to application rollouts. Requires relevant IT/business experience and strong English skills.

Contribute to data quality, engineering, and regulatory compliance at a leading wealth manager. Design data solutions using SQL and Python, maintain data quality controls, and support data platforms across Finance, Risk, and Operations.

Lead the development and execution of Eaton's EV charging infrastructure strategy across Europe. This Director-level role drives business growth by delivering comprehensive EV charging solutions and cultivating strategic partnerships.

Construction Manager role serving as the Project Manager's focal point for construction activities. Responsibilities include leading QA/QC, monitoring execution, managing NCR processes, and ensuring regulatory compliance. Requires 5+ years in Oil & Gas.