freelance English-speaking jobs in Wuppertal

Precision Mechanic develops and maintains scientific instrumentation by manufacturing precision mechanical components, specializing in turned parts. The role involves advising engineers, repairing instruments, and managing workshop operations.

Experienced API Integration Expert needed to define governance, create policies, and improve API lifecycle processes. Requires strong project experience in API integration, API-first design, and integration architecture.

Develop and improve anti-icing systems for wind turbine blades. Analyze operational data, investigate field damages, and lead technical projects across the product lifecycle. Requires an engineering degree and experience with anti-icing technologies.

Operate test beds (shaker, thermal, optical, functional) to test high-tech laser communication terminals. Support equipment maintenance, execute tests in structural, thermal, optics, and electronics, and document results. Requires technical training and proficiency in German or English.

Full-Stack Engineer to design, develop, and own end-to-end features using TypeScript and Java. Build backend services and frontend applications while championing engineering standards and mentoring others.

Manage the entire supply chain, from demand planning and procurement to global logistics. Analyze inventory, optimize goods flow, and mitigate supply chain risks. Requires 3+ years of experience and fluency in German and English.

Restaurant Steward for river cruises. Join a team exploring Europe's beautiful ports and cultures. This role is part of sea chefs, offering opportunities on international cruise lines.

Motivated English teachers are sought to support students remotely. Good knowledge of English and a pleasure in teaching are required. No previous teaching experience is necessary.

Manager in BCG Vantage provides expertise on Data and Digital Platform transformations, including AI, data strategy, and cloud modernization. This role involves driving digital asset development and supporting complex client problem-solving.

Develop and maintain a group-wide AI Risk & Security Management System. Evaluate AI implementations, advise senior management on security, and ensure safeguards are built in by design. Requires strong AI understanding and professional experience in Cybersecurity or Application Development.

Senior Hydrodynamic Engineer / Naval Architect to coordinate engineering work and execute hydrodynamic analysis for heavy-lift projects. Responsibilities include mooring, motion response, and stability assessments. Requires an engineering degree and relevant maritime experience.

Production Employee involved in manufacturing products while adhering to safety and hygiene regulations. Responsibilities include equipment operation, material provision, and maintaining a clean workplace. Requires production experience and good German knowledge.

Sr. Medical Science Liaison for Oncology in Southeast Germany. Act as a scientific partner to HCP/researchers, facilitating exchange on Genmab's oncology portfolio. Requires advanced scientific degree and 2+ years of MSL experience.

Service Manager/Customer Success Manager acts as the single point of contact for service matters, managing account health and advising customers. Responsibilities include issue resolution, relationship building, and driving customer success.

Senior Business Development Manager in Financial Services. This role involves working with clients in complex, regulated spaces, connecting strategy, tech implementation, and operational services to help businesses become more effective.

Associate role in Private Credit focusing on bespoke financing for mid-market companies. Responsibilities include financial modeling, credit underwriting, and managing private debt investments. Requires 2-5 years of experience in Leveraged Finance or Private Credit, with fluent German and English.

Drive profitable growth and strategic development for key accounts in the Automotive Tier Suppliers sector across EMEA. Manage accounts, drive solution specification, and build pipelines with cross-functional teams.

Manage high-potential resellers and non-traditional partners for a global IT accessories company. Develop expansion plans, conduct negotiations, and collaborate across internal teams. Requires 5+ years of B2B channel sales experience and fluency in German and English.

Senior Systems Engineer for Aesthetic Filler & Combination Products. Contribute to device and combination product development, ensuring robust, patient-centric design and performance across clinical and commercial phases.

Sales Manager for Power Conversion Systems to grow market share in German energy storage and PV utility sectors. Own the sales cycle, building relationships with EPC/developers, and ensuring compliance with grid codes. Requires technical sales experience in PCS or power electronics.