freelance English-speaking jobs in Wuppertal

Director of Sales to accelerate international growth by selling and licensing patented li-ion battery recycling processes and equipment. Requires technical degree, experience selling complex technology, and fluency in German and English.

Head of Solar Development Engineering leads the team across the project portfolio. Responsibilities include technical leadership, overseeing engineering studies, and optimizing projects for performance and cost. Requires 7+ years in renewable energy engineering.

As Project Manager, you orchestrate complex real estate space conversion projects from concept to handover. You lead interdisciplinary teams, ensuring successful delivery regarding time, cost, and quality.

Lead the transition to autonomous agentic workflows within a major German financial institution. Develop GenAI roadmaps for credit scoring and fraud detection, building multi-agent systems compliant with BaFin and EU AI Act.

Project Engineer joins a team on various projects from preparation to evaluation. Responsibilities include preparing schedules, budgets, and maintaining contact with subcontractors and clients. Requires 5+ years of experience and proficiency in German and English.

Head of Accounting to own and shape the finance function for a fast-growing international Tech company. This hands-on leadership role requires strong technical accounting expertise, HGB knowledge, and experience leading teams.

As a COE Application Consultant Power Analog and Control, you will align customer test requirements with Advantest's V93000 ATE platform solutions. You will identify emerging test requirements, develop reference test solutions, and provide expert application support to strategic account teams.

Principal Software Architect for the HRX Platform. Design the domain model and enforce invariants as executable constraints within a multi-tenant B2B SaaS environment. Must have shipped production code using TypeScript, NestJS, and PostgreSQL.

Lead global Product Safety & Regulatory Affairs for Cosmetic Ingredients. Define strategy, ensure worldwide compliance, and lead a global team of experts. Requires advanced science degree and extensive regulatory experience.

Manage BESS and substation CAPEX projects across Europe, overseeing development through handover. Responsibilities include technical assurance, contract/risk management, and leading integrated project teams. Requires electrical engineering degree and BESS project delivery experience.

Lead Engineer for Robotics & Autonomous Systems. Own the technical vision and architecture of complex robotics products, driving execution from concept to deployment. Requires 5-6 years in robotics, strong C++, ROS 2, and sensor integration skills.

Lead the Engineering Manager community within the COS cluster, shaping culture, delivery, and team health. This senior role owns the people and delivery dimension, partnering with the Principal Engineer on technical direction.

Seeking a Principal Electrical Engineer to support major transmission and distribution projects. Responsibilities include developing substation designs for 110kV, 220kV, and 380kV systems. Requires HV substation project experience and knowledge of primary design.

Senior Software Engineer to bring Unity to embedded platforms like Embedded Linux, QNX, and Android Automotive OS. Develop features, integrate Unity into native apps, and optimize performance on resource-constrained SoCs.

Data & Machine Learning Engineer owns data infrastructure and ML model development for AI use cases. Responsibilities include building data pipelines, deploying models to production, and ensuring reliable performance. Requires 4-7 years in data/ML engineering.

As Head of Hardware, you own the physical realization of the humanoid platform, driving it from prototype to repeatable, high-volume production. You lead mechanical, electronics, and integration teams, owning product robustness, industrialization, and safety.

Join suena energy as a (Junior) Customer Success Manager. Support customer success for a green tech startup specializing in algorithmic energy trading. Keep operations clean, route requests, and support onboarding.

Global Director Sales for Textile Solutions drives global strategic sales direction to meet revenue and growth targets. Requires extensive international sales leadership, business acumen, and experience in the specialty chemicals industry.

Head of AI to drive hands-on execution of AI across the global organization. Focus on building, deploying, and scaling AI solutions for manufacturing and business functions. Requires strong technical AI/data skills and experience in operational environments.

Logistics employee position available at Amazon logistics centers. This role involves shipping and warehouse duties. Students and those without prior experience are welcome to apply.