freelance English-speaking jobs in Bielefeld

Support the definition, development, and advancement of innovative power electronics technologies for space applications. Develop simulation models, provide technical support for proposals, and perform design reviews.

Warehouse associate responsible for receiving, storing, and shipping inventory. Tasks include operating equipment like forklifts, packing orders, and ensuring product quality. Must be 18 years or older and proficient in German and/or English.

As a Sales Stylist, you will provide exceptional customer service, share product knowledge, and assist with store operations. You will help customers find their perfect fit and contribute to a welcoming shopping experience.

Senior Product Manager will define and own the product strategy and roadmap for railway signaling products. Responsibilities include managing product activities across the lifecycle, analyzing market trends, and translating customer and business requirements into product priorities. The role requires a Bachelor's or Master's degree in a related field and at least 7 years of experience in product management, project management, or business development within the railway, mobility, or technical industry.

The Helmholtz Centre for Environmental Research (UFZ) seeks a scientific leader to head its Research Unit "Ecosystems of the Future". The Head will shape the Unit's scientific vision, manage its budget and personnel, and develop a research strategy aligned with UFZ goals. The successful candidate will have a distinguished scientific track record, strong leadership skills, and experience in international scientific networks.

Develop and implement a group-wide physical security framework, including policies, standards, and methodologies. Conduct risk and threat assessments, define mitigation measures, and advise on security requirements for new sites. Manage security services procurement and oversee on-site security operations.

Financial Analyst needed for a confidential international financial institution in Frankfurt. Support day-to-day accounting operations, financial reporting, audits, and regulatory requirements. 2-3 years of accounting or finance experience in a financial institution required.

Procurement Contracts Manager (m, f, d) will manage the definition and implementation of Airbus Defence & Space procurement contractual policy. Responsibilities include drafting and revising contracts, providing support and advice in Call for Tenders, and managing contracts in place. The role requires a university degree, ideally with a legal background, 6+ years of experience in contract negotiations, native German fluency, and professional English fluency.

Site Process & Operations Support Engineer provides technical support for site operations, ensuring smooth production processes and resolving technical issues.

As an H&S Specialist, you will contribute to the implementation and continuous improvement of Encavis' health and safety management systems across its renewable energy portfolio. You will monitor and analyze H&S performance, conduct audits and inspections, provide operational support, and coordinate with stakeholders.

As a Spare Parts Planner & Supply Chain Analyst, you will ensure global Field Service organizations have the necessary spare parts. Responsibilities include material planning, forecasting, supply chain analytics, reporting, and process improvement.

Lead and manage a 24/7 automated logistics facility, overseeing people, processes, and customer relationships. Drive operational excellence, productivity, and profitability.

Supports the global development and operation of high-performance computing clusters and storage systems. Implements and evaluates future high-performance systems using modern technologies. Works on container-based applications, orchestration, and data storage. Contributes to management and monitoring solutions for application and cluster security.

The German Primate Center seeks a PhD Candidate in Computer Vision to support scientific research by implementing data science approaches.

Lead end-to-end production operations at a high-volume food manufacturing site. Drive operational excellence, improve performance, and develop a high-performing culture.

This 18-month contract role requires a Technical Recruiter to develop and execute talent acquisition strategies, source candidates, and partner with hiring teams to meet business needs.

Leuphana University of Lüneburg's Leuphana Center for Cooperative Security invites applications for its international doctoral program in "Cooperative Security," launching in April 2027. This interdisciplinary program supports innovative PhD research on global security challenges from political science, economics, law, and psychology perspectives.

A Postdoctoral Researcher is sought to lead a project investigating the intersection of hematopoietic stem cell homeostasis and long-term immunity. The role involves designing and performing experiments using animal models and human cells, analyzing data, and collaborating within a research team.

Designs, implements, and optimizes hybrid cloud and on-premise architectures on Microsoft Azure and VMware/vSphere. Translates business requirements into infrastructure solutions and leads initiatives to optimize infrastructure cost, performance, and security.

Sales Representative will build and maintain customer relationships, identify new business opportunities, and provide technical and commercial support.