freelance English-speaking jobs in Wuppertal

Senior Product Development Engineer for Valvetrain components. Create designs, run analysis, and drive project activities from prototype to industrialization. Requires Master's in Mechanical Engineering and fluency in German and English.

Enrolled technical students in sales fields are sought for this Customer Service & Sales Internship. Candidates should have experience in customer interaction or sales, enjoy technical and sales topics, and possess strong German and English skills.

Conduct research on satellite-to-vehicle communication solutions based on 6G networks. Develop and implement algorithms for handover mechanisms between terrestrial and non-terrestrial networks. Validate concepts through simulations or prototypes. Contribute research to 3GPP studies and working groups.

Financial Sales Advisor builds long-term client relationships, providing excellent financial advice. Responsibilities include analyzing products and understanding client financial circumstances. Requires interest in finance and sales, strong communication, and fluent English.

Endocrinologist needed to fine-tune large language models. Responsibilities include designing clinical scenarios and evaluating AI responses for accuracy in endocrine medicine. Requires MD or equivalent with active practice and board certification in Endocrinology.

Senior Flight Control System Engineer to develop drone flight control systems for a unique Tail-Sitter Drone. Responsibilities include algorithm design, modeling, testing, and coding using Matlab/Simulink. Requires 4+ years in flight control system modeling and coding.

From August 2026 our secondary school in Dreieich (near Frankfurt) is looking for a Mathematics Teacher (in part-time or full-time)

Senior Compliance Verification Engineer needed for Cabin & Safety. Ensure compliance with EASA and FAA requirements for aircraft interior modification programs. Requires expertise in Cabin Safety Certification, TSO/ETSO, and relevant engineering degrees.

Early Childhood Educator role requires a degree in Early Childhood/Elementary Education and experience with children. Tasks include care, activity design, and implementing educational plans in bilingual settings. Proficient English is required.

Plant Cell Biologist role focusing on cell biology and haploid induction within the Doubled Haploid Research Unit. Responsibilities include setting up regeneration protocols and designing experiments. Requires a Master's or PhD in a relevant field.

Ideate and write at least four long-form YouTube scripts weekly for a business niche channel. This role requires strong research, creative ownership, and the ability to analyze video performance.

Research Associate for Project “VALPROTOX” focusing on protein-based functional materials. Duties include designing engineered protein variants, performing molecular biology, and evaluating material performance. Requires a relevant Master's degree and lab experience.

Senior Portfolio Owner Quality provides end-to-end ownership of quality product activities, ensuring strategy supports compliance and patient safety. Requires a Master's degree and 10+ years in pharmaceutical Quality Assurance.

Develop highly accurate electrical sensors for current and voltage measurements. Conduct studies to understand the interplay between electric, magnetic, material, and mechanical effects to innovate and optimize sensor designs.

Senior Brand Designer role in a globally respected brand studio. This hands-on position focuses on creating sharp, distinctive brand identities, requiring expertise in symbolism, typography, and art direction. The role involves client presentations and team collaboration.

Electrical Technician will receive full training on HV cables and testing. Responsibilities include testing and maintaining electrical cables, and traveling throughout Germany and Europe. Requires previous technical experience in electrical specialism, a full driving license, and fluency in German.

Structural Analysis Engineer role involving development and validation of stress methods. Responsibilities include software lifecycle support and structure analysis project work. Requires studies in Aerospace or Mechanical Engineering, FEM analysis experience, and proficiency in Python, C++, and FORTRAN.

Structural Analysis Engineer develops stress methods and tools, performing structural analyses for aerospace structures. Key tasks include software development, stress analysis, and MDO. Requires Aerospace or Mechanical Engineering background, FEM analysis experience, and Python/C++ skills.

Sales Specialist for Advanced Silicones Technology drives sales and business development within biomaterials and advanced technology industries. This role manages the full sales cycle, focusing on new business acquisition and account growth.

Design, build, and manage the data landscape to ensure scalability and security. Advise stakeholders on data-driven solutions and design end-to-end data architectures. Requires 7+ years of experience and a relevant degree.