freelance English-speaking jobs in Mannheim

Senior Scientist to contribute to the development of bioelectrochemical technology for enhanced biomethane production. Responsibilities include defining research questions, designing experiments, and translating scientific outcomes into actionable decisions. Requires expertise in applied bioelectrochemistry, anaerobic digestion microbiology, and scale-up awareness.

Mechanical design and/or stress engineer to develop core mechanical subsystems for a next-generation drilling system. Conduct FEA analysis, build prototypes, and support testing and validation.

Experienced Graphic Designer sought for international opportunities. Create visually appealing designs for marketing materials, websites, and social media. Collaborate with marketing teams and stay updated on design trends.

IT System Administrator responsible for planning, implementing, and administering IT infrastructures in Windows Server environments. Supports and develops Microsoft 365 environments for SME clients. Requires 3+ years of experience, business-level German, and a completed IT specialist qualification.

The Invoicing Coordinator will review and process purchase invoices, reconcile goods receipt documents, and handle accounts receivable. They will also maintain data in the Business Central ERP system and review customs clearance invoices.

Senior System Administrator will act as onsite technical lead for the Berlin office, providing 2nd-level support, managing Microsoft 365 and server infrastructure, leading IT projects, and coordinating with stakeholders.

The IT Project Manager will plan, coordinate, and monitor IT projects in the IT Operations department. Responsibilities include coordinating subject matter experts, monitoring progress and risks, ensuring transparency through reporting, and supporting strategic IT initiatives.

The HUK-COBURG Insurance Group seeks a Business Intelligence Data Engineer to consult on BI solutions, plan and implement BI activities, and further develop analytical information systems.

Deliver groceries to customers efficiently by e-bike or e-scooter, exceeding delivery targets. Must be at least 18 years old, have a work permit in Germany, and speak English or German.

The US Sales Representative will identify, develop, and onboard clients requiring US services. This role involves managing leads, communicating service offerings, and supporting the sales onboarding process.

EASA Licensed Engineer (B1 or B2) required for aircraft maintenance and airworthiness support. Must possess a valid B1 or B2 Licence, current B-8 (GenX Engine) type rating, and recent hands-on experience on the relevant aircraft type.

Leads commercial negotiations, manages key accounts, and drives business growth. Manages the full RFQ process, pricing strategy, and program execution. Collaborates cross-functionally to achieve cost and timeline targets.

The Martian Mindset Cluster of Excellence at the University of Bremen invites applications for two independent postdoctoral research positions. Successful candidates will lead independent research projects with full scientific and budgetary autonomy. Applicants must have a PhD (or proof of imminent completion) in any field relevant to The Martian Mindset and a convincing 3-year research program.

Senior Software Engineer to design and develop cloud-native applications on AWS. Experience with TypeScript, React, Lambda, DynamoDB, API Gateway, CDK, and CloudFormation required.

Services and repairs military weapons and weapon support systems in a secure facility. Performs field level maintenance, diagnostics, and repairs according to technical specifications.

Electrical Engineer needed for test lab. Responsibilities include creating test specifications, operating equipment, evaluating results, and analyzing deviations. Requires a degree in electrical engineering or equivalent, experience in the transformer sector, and proficiency in Visual Basic and MS Office. Must be physically fit for high-voltage work and fluent in German and English.

Drives the strategic account management program in Germany, ensuring alignment with country objectives and sustainable growth within strategic hospital accounts. Owns account strategy, orchestrates cross-functional resources, and provides oversight of customer engagement.

Drive new business in the UK and Ireland markets. Own the full sales cycle for new customers. Build qualified enterprise pipeline through outbound activities, SDR collaboration, and inbound activities. Manage multi-stakeholder sales processes with clear value-based positioning. Lead value-based enterprise sales conversations with Procurement, Sustainability and Compliance, C-level, and other key stakeholders. Shape a modern sales approach using strong sales fundamentals and openness to new methods, tools, and AI-supported ways of working.

IT Administrator responsible for user and client management, unified communications support, network administration, server administration, and SAP Basis support. Requires a completed IT vocational training or comparable qualification, knowledge of MS Windows and hardware, strong analytical skills, and a service-oriented approach.

We seek a technically versatile IT professional to join our international aviation team. Responsibilities include Microsoft 365 administration, IT support, system automation, and project participation. Strong technical curiosity and experience with Microsoft 365 are required.