freelance English-speaking jobs in Wuppertal

Support global tax compliance, reporting, advisory, transfer pricing, and tax governance. This role partners with Finance, Legal, and international teams to ensure tax compliance across multiple jurisdictions. Requires tax experience and fluency in English and German.

Design and develop high-performance analog and mixed-signal circuits for complex Automotive ASICs, focusing on electrification and smart power applications. Own the complete development flow from specification to release.

Lead global procurement strategy for Direct and Indirect spend, managing approximately CHF 750 million. Define governance, drive strategic sourcing, and enhance supply resilience while advancing ESG and digital transformation.

Technical Manager to design and improve internal database environments and digital solutions. Responsibilities include data modeling, automation, and developing Power BI dashboards. Requires 3+ years of relevant experience.

Backend Engineer to build and evolve core banking services, transforming regional systems into a unified global platform. Requires Golang proficiency, experience with high-volume services, and cloud deployment skills.

Experienced Veeva Network Business Analyst needed for a pharmaceutical organization. Responsibilities include defining business needs, translating requirements, supporting data migration, and validating processes using Veeva Vault, CRM, and Network.

Intern in Inhouse Consulting to work at the intersection of AI innovation and operational transformation. Conduct analyses, benchmark technology, and support strategic solution concepts for a leading mobility company. Requires excellent Abitur, university enrollment, and fluency in English and German.

Director Engineering, Retail Media & Marketplace. Set engineering direction for Retail Media and Marketplace, leading teams and driving excellence. Own roadmaps connecting engineering to commercial outcomes. Requires 3+ years leading multiple engineering teams.

Lead Maintenance & Operations Supervisor for a new high-tech surface treatment plant. Responsibilities include ensuring operational stability, managing technical teams, and overseeing 24/7 operations. Experience with automated systems is key.

Build Capital Cell's German life sciences investment platform. Originate deal pipelines, build the German investor base, and own ecosystem relationships. Requires German/English fluency and life sciences expertise.

Design end-to-end solutions for a B2B SaaS platform, focusing on user interviews, prototyping, and design systems. Leverage AI tools and maintain a technologist mindset to build coherent experiences for hotel managers.

Join a 10-month Graduate Analyst Programme in executive search. This role involves researching companies, mapping leadership, and engaging senior candidates. Native-level German and ambition are key requirements.

PhD position in Spacecraft GNC Engineering focusing on Advanced Integrated Navigation and Sensor Fusion for Rendezvous and Close Proximity Spacecraft Operations. Research involves developing robust 6-DoF state estimation.

Warehouse Associate (Forklift) role involves selecting, packing, and shipping orders. Duties include building, wrapping, sorting, and transporting pallets and packages using various equipment. Candidates must be 18+ and proficient in German, English, or Arabic.

Prototype and improve AI assistants and automations for business use cases. Maintain a scalable library of AI assets while embedding safety and compliance into workflows. Requires 2 years in Prompt Engineering or similar AI role.

Sorting employee role in an Amazon logistics center. Opportunities available for full-time and part-time positions with fixed shift schedules.

Senior AI Infrastructure & Frontier Model Engineer builds and operates HPC/GPU clusters for advanced AI. Responsibilities include training, fine-tuning, and integrating LLMs into production environments. Requires 3+ years in ML/AI with HPC platform experience.

Build and run a global post-market surveillance system, managing complaint handling and adverse-event reporting. Lead cross-functional rollout and translate insights into product improvements and safety actions. Requires 7+ years in medical device PMS.

Implement and optimize SAP S/4HANA Public Cloud Finance solutions for public, energy, and manufacturing sectors. Requires experience in SAP Finance consulting, strong S/4HANA Public Cloud knowledge, and fluency in German and English.

Own mobile user acquisition across Meta, Google, TikTok, and ASA. Manage paid campaigns, ASO, and performance analysis to scale growth for a leading cooking app. Requires fluency in German and English.