freelance English-speaking jobs in Mannheim

The Chair of Monetary and International Macroeconomics at the University of Hohenheim offers a PhD position in macroeconomics, monetary economics, and quantitative methods. Doctoral researchers will conduct original research, present findings, contribute to teaching, and participate in departmental activities.

At the Institute of Data Sciences in Jena, we are working to make the data backbone for all of DLR’s areas of application (aviation, space, energy, transport, security) a reality.

Service Coordinator needed for a growing team in Berlin. Schedule maintenance and service calls for a 12-person technician team and subcontractors. Strong communication and organizational skills required. Fluency in German (C1) and English (B2) essential. Experience in a similar role, preferably in the aftermarket/maintenance/service field, is desired.

Leads R&D of fully automatic coffee machines, overseeing product development and resolving technical issues. Researches and develops new technologies and platforms for coffee machines.

Senior Project Development Manager will lead complex energy infrastructure projects from ideation to Final Investment Decision (FID). Experience in renewable energy, energy infrastructure, or the SAF/P2L/Hydrogen/Clean Fuels/P2X economy is required.

Establish an independent research program in Computational RNA Biology. Develop theoretical, computational, and AI-based approaches to understand RNA function and regulation.

Support the development of innovative hygiene products and digital solutions. Design digital mockups, physical products, and packaging. Generate and visualize product, service, and business model concepts.

At Peter Park, we're turning outdated parking infrastructure into digital ecosystems, with real-time data, modern cloud architecture, and a team of people who care deeply about quality and user experience. Our backend systems power thousands of parking lots across Europe, replacing tickets, barriers, and waiting with seamless automation.

Medical Director to co-develop medical strategy for Myasthenia Gravis, lead medical affairs activities, and serve as a scientific resource in Europe. Requires PhD or MD, 10+ years experience, 5+ in pharma/biotech, product launch experience preferred. Direct experience in Myasthenia Gravis and/or Neurology rare disease strongly preferred.

Account Manager responsible for selling IVD products and systems in northern Germany. Develops regional sales plans, builds customer relationships, and proposes solutions to meet customer needs. Requires a scientific degree, 3-5 years of sales experience in immunochemistry/diagnostics, and fluency in German and English.

Founding engineer to build Dexter product from the ground up, collaborating with founders and customers. Own projects end-to-end, make product and technical decisions, and solve problems in structured data extraction, autonomous agents, and AI assistants.

Shape global reward systems and drive talent retention as an Expert Compensation & Benefits. Support and drive global C&B initiatives, focusing on variable remuneration systems and incentive design. Lead or participate in regional and global C&B projects, acting as a key expert for internal stakeholders. Manage and steer annual bonus and salary review cycles. Further develop the global benefit portfolio to increase employer attractiveness and employee motivation. Serve as a high-level advisor for HR Business Partners and management on all compensation-related matters.

Customer Relationships Representative for Camplify, a peer-to-peer RV and van-sharing platform. Provide support to renters via email, chat, and phone, handling inquiries about bookings, vehicle types, insurance, and more. Must have fluency in English and Spanish (C2 level), and German (B1 level or better).

Incident Manager for embedded systems at ZEISS Semiconductor Manufacturing Technology.

Electrical Engineer to support technical delivery of electrical building services projects from design to handover. Will review drawings, specifications, and support construction, procurement, and commissioning activities. Requires a Level 7 degree in a related field and 2-4 years' experience in electrical engineering or a similar role.

Job Description Über uns\nOur client is a leading international company in the premium consumer goods sector with a strong focus on innovation, quality, and sustainable growth. With a broad and well-established brand portfolio, the company holds a strong position in its core markets. For its Hamburg location, we are seeking a compelling leadership personality as Senior Commercial Manager (m/f/d).

Research Assistant (m/f/d) Faculty of Electrical Engineering, Chair of Signal Processing for Medical ApplicationsAt Helmut Schmidt University / University of the Federal Armed Forces Hamburg (HSU/UniBw H), Faculty of Eectrical Engineering, Chair of Signal Processing for Medical Applications (Univ. -Prof. Dr. -Ing.

Atomic-scale study of graphene-based van der Waals heterostructures using LT-STM/STS at 5K. Tasks include investigating atomic structure, stacking configuration, defects, grain boundaries, edge termination, and local electronic structures.

EMEA Payroll Specialist Location: Kelsterbach, Germany This role is office-based 4 days per week. Fortinet EMEA payroll team forms part of the Finance department. The payroll team has overall responsibility for the gathering and collating of information from other departments including the process complex payroll items including RSUs and Stocks.

Experienced Recruiter to manage end-to-end recruitment across 16 European countries. Coordinate recruitment processes, source candidates, and contribute to employer branding. Monitor recruitment KPIs and ensure compliance with GDPR and internal policies. Fluent English and German required.