freelance English-speaking jobs in Wuppertal

Rudyb Travel seeks a remote Travel Customer Service Representative to assist clients with luxury and leisure travel bookings. This role involves managing inquiries, confirming itineraries, and providing travel information.

Designs, develops, and implements technical strategies for product development of OSR, corn, and hybrid wheat, from initial testing to commercialization. Collaborates with cross-functional teams to advance breeding pipelines and coordinate new product launches. Requires a PhD or Master's degree with experience in plant R&D, data analysis, and project management.

Adidas is an equal opportunity employer and we are committed to fostering an inclusive workplace. We welcome applications from people of all ages, genders (incl. gender identity), ethnic and social backgrounds, nationalities, sexual orientations, religions and beliefs, and those with apparent or non-apparent disabilities*.

PhD project at Forschungszentrum Jülich focusing on subsurface flow dynamics. The project combines geophysical methods, field experiments, and numerical modeling to analyze subsurface flow patterns across multiple sites. Responsibilities include developing and applying high-resolution imaging methods, designing inversion algorithms, and linking hydrogeophysical parameters to subsurface flow.

Senior Tech Consultant to design, stabilize, and evolve the Microsoft Dynamics 365 ecosystem, including Customer Engagement, Finance & Operations, integrations, and governance. Lead complex technical initiatives, translate business needs into technical requirements, and drive platform stability and compliance.

The HR Business Partner, DACH supports Practice Group Talent Leads with talent services, aligning HR strategies with Practice Group organizational goals. Responsibilities include talent pipeline management, performance management, reward, coaching, workforce planning, integration, onboarding, mobility, employee relations, engagement, recruitment, and partnership with People Teams.

Build lean, high-performance C++ software components with a focus on performance and quality. Analyze systems, write automated tests, and mentor colleagues. Master C/C++, databases, Linux, and web technologies.

Guest Environment Experts maintain the appearance and cleanliness of the entire hotel, ensuring a great guest experience. Responsibilities include delivering guest requests, stocking carts, cleaning rooms and public spaces, and upholding quality standards.

Manage communications, assist customers, and ensure smooth administrative operations for a remote team.

Senior Process Engineer to optimize and develop industrial bioprocess and fermentation systems. Experience in industrial biotechnology, process engineering, and bioprocess equipment required.

Consult on space industry projects, optimizing workflows and developing market entry strategies.

Provide remote client support for travel inquiries via email, phone, and messaging. Assist with itinerary changes, cancellations, and travel-related questions.

Develop and deploy generative and agentic AI solutions, including text generation, semantic similarity, and classification, within a SaaS platform. Integrate LLMs, optimize performance, and collaborate with engineers and sustainability experts.

Systems Engineer will work within KLA's RAPID division, a leading provider of reticle inspection solutions for the semiconductor industry.

Supervise production and operating workers, create deliverables, review peer work, and diagnose issues to advance AI research. Must have 4+ years of experience and excellent written communication skills.

Product Engineer to design, implement, and maintain backend services, APIs, and user-facing features for a collaborative scheduling platform. Collaborate with product managers, designers, and engineers in a cross-functional process. Contribute to the overall architecture of the system and participate in code reviews.

Sales & Marketing Agent needed for a dynamic team in Berlin. Provide digital marketing advice to advertisers, analyze ad performance, and collaborate with clients to implement successful sales strategies. Dutch (C1) and English (B2) required.

Lead the technical delivery of complex data center projects, ensuring design excellence, standardization, and innovation. Manage consultant teams, budgets, and technical governance, acting as the primary technical partner across project lifecycles.

Intern to validate and verify turbulence models for Simcenter STAR-CCM+. Will collect test cases, perform tests on RANS and scale-resolving models, and establish an automated testing framework. Requires a degree in Mechanical or Aerospace Engineering and proficiency in simulation tools.

Provide customer service support to clients in the travel industry. Assist with travel planning, reservations, and inquiries.