freelance English-speaking jobs in Mannheim

ProBioGen seeks an experienced leader to build and drive a new Viral Vector Operations unit. This role supports the development and manufacture of biopharmaceuticals and vaccines using viral vector technologies.

Join R3AMP as an Infrastructure Private Equity Intern for 4–6 months. Support investment and asset management across the infrastructure lifecycle, including deal sourcing, financial modeling, and portfolio performance assessment.

Receptionist for a global investment firm. Responsibilities include welcoming clients, managing communications, and supporting office operations like meeting logistics. Requires fluent German and advanced English.

Senior Counsel for Trade Compliance EMEA will advise on international trade regulations across Israel and EMEA. This role involves managing import/export, sanctions, and customs risks while developing compliance frameworks.

Design and implement extensible data models to industrialize Scientific AI. This role involves translating scientific data workflows into robust solutions, prototyping AI/ML use cases, and engaging directly with customers. German business proficiency is required.

Applied Operations Research Engineer to build decision infrastructure for industrial organizations. Translate real customer problems into models and develop the engine that runs complex combinatorial optimization.

Manage and grow an existing customer portfolio in the German market for HR software solutions. Focus on strengthening relationships, identifying expansion opportunities, and ensuring customer value. Requires B2B account management experience and fluency in German and English.

M&A Underwriter to assess and underwrite risks in M&A and corporate transactions. Responsibilities include analyzing client data, pricing policies, and drafting terms. Requires a background in M&A/W&I insurance and being a qualified lawyer.

Experienced Project Manager needed for large-scale Data Centre construction projects across Europe. Responsibilities include leading site operations, managing resources, monitoring progress, and resolving project risks. Requires proven experience in Data Centres or infrastructure.

Delivery Manager role supporting industrial companies. Responsibilities include managing operational performance, advising clients, and leading teams on project management practices. Requires a university degree in engineering and fluency in English and German.

Reliable Working Student for Supply Chain support. Manage POC/replacement shipments, event logistics, and inbound purchasing tasks. Requires university enrollment, fluent English, and organizational skills.

GTM Engineer role building the outbound engine for a digital accessibility SaaS company. Requires 2+ years in GTM/RevOps with expertise in HubSpot, Clay, and automation tools like n8n. B2 German proficiency is required.

Engineering Quality Manager for UAS and EuroDrone ensures product quality across the engineering lifecycle. Responsibilities include compliance with standards like EN 9100, DO-178C, and DO-254, and managing quality assurance activities.

Freelance Clinical Research Associate needed for medical device trials. Requires 3-5 years of clinical monitoring experience, including Site Qualification and Interim Monitoring. Must hold a Life Science Bachelor's degree.

Business Development Working Student to drive projects across departments. Design and implement workflows using n8n, Zapier, and LLMs. Requires university enrollment, German/English fluency, and a fast-paced mindset.

Support HR transformation and change projects, create materials, and manage internal workshops. Responsibilities include HR reporting, process development, recruitment support, and employment marketing. Requires HR experience and fluency in German and English.

Experienced Commissioning Manager needed for large-scale BESS and Grid Connection projects across Central Europe. Manage commissioning from pre-commissioning to handover, coordinating multidisciplinary teams and interfacing with stakeholders. Requires background in high-voltage electrical systems.

Own the full journey of AI solutions, from design to production, for SITECO. Identify high-value use cases and build scalable applications using Python and TypeScript. Requires knowledge of LLMs, AI agents, and full-stack development.

Senior Golang Developer to design and build scalable backend applications. This role involves translating business requirements into technical solutions, mentoring juniors, and collaborating with clients. Requires 3-10 years of experience and German C1 proficiency.

Intern/Trainee IT System Administrator will install, configure, and maintain infrastructure in Berlin and Cologne. Responsibilities include server and application administration, monitoring, error analysis, and user support.