freelance English-speaking jobs in Bielefeld

Expert Quantity Surveyor (M&E) supports Subcontracting Management across the project lifecycle. Responsibilities include estimating costs from drawings, preparing BoQs, and verifying subcontractor payments using digital tools. Requires a relevant degree and five years of experience.

Executive Assistant supporting senior leaders in a professional services firm. Responsibilities include diary/travel management, client coordination, and supporting high-profile client assignments. Requires organization, proactivity, and strong communication skills.

Configure and enhance Workday's Core HCM module, partnering with stakeholders to translate business needs into system design improvements. Provide guidance to SumUppers using Workday, build reports and dashboards, and contribute to documentation and change management.

Experienced Technical Project Manager needed for complex NAVCOM projects in maritime technology. Lead the full project lifecycle, coordinating engineering and field service teams. Requires knowledge of satellite communications and maritime systems.

The Hector Research Career Development Award supports W1 Assistant Professors or junior research group leaders in natural/engineering sciences, medicine, or psychology. Applicants need a recent doctorate and aim for a full professorship or habilitation.

Experienced Head of Manufacturing needed for a pharmaceutical site in Germany. This role takes full ownership of end-to-end operations, including production, packaging, and warehouse, while leading a transformation program. Must ensure compliance with German pharmaceutical regulations.

Working student or thesis opportunity in AI for Computer Science or Business Informatics students. Develop AI solutions in computer vision, NLP, or predictive analytics. Support the machine learning lifecycle and integrate AI models into software products.

From basic technical training and type-related further training to competence training, Lufthansa Technical Training offers all courses important for safety, reliability and economically-oriented qualifications. Our training programs inspire and motivate our employees to continue developing their skills. In doing so, we promote safety and reliability in air travel.

Design and develop battery energy storage systems across the full lifecycle, from feasibility to commissioning. Requires 5+ years of BESS experience, including lithium-ion and BMS knowledge.

Lead partnerships with large, digitally-native companies, driving growth for AI-powered advertising solutions across Search and YouTube. Requires 15 years in digital sales leadership and fluency in German and English.

Support the transfer pricing team ensuring compliance and efficiency across the global organization. Responsibilities include preparing OECD-compliant documentation, analyzing financial data, and assisting with intercompany agreements.

Lead revenue growth for a PE-backed property management platform. Build the institutional segment from zero, design sales systems, and own pricing strategy across all segments.

Intern Sales supporting AI adoption within Transaction Banking. You will use AI to generate analyses, define use cases, and support data-driven sales strategies and reporting. Requires analytical focus and English fluency.

Postdoctoral Researcher to develop and execute a research agenda on the relationship between populism and EU law. Will produce publications, participate in research events, and collaborate with a team. Requires a completed PhD in law or political science and advanced knowledge of EU law and politics.

Senior Consulting Project Manager to lead complex construction and mission critical infrastructure projects from concept to completion. Oversee scope, schedule, cost, and risk while serving as the key interface for global stakeholders. Requires fluency in English and German.

Nordson Industrial Coating Systems seeks a driven Account Manager to develop and grow customer relationships in Northern, Eastern, and North-Eastern Germany. The role involves identifying new business opportunities, building a sales pipeline, and collaborating with internal teams to support customers.

As a result of the combination of the BD Biosciences and Diagnostic Solutions business with Waters Corporation (NYSE: WAT), by applying to this role, you will be applying for a position with Waters. Waters is a global leader in life sciences, dedicated to accelerating the benefits of pioneering science through analytical technologies, informatics, and service.

DSP Chemical Engineer to lead downstream purification and refining strategies for microbial oils and lipids. Responsibilities include designing scalable workflows, transferring processes to pilot/manufacturing, and optimizing processes. Requires a degree in Chemical Engineering or related field.

Senior Platform Engineer to develop infrastructure for Real Time data and ML workloads. Responsibilities include building scalable systems, event-driven architectures, and platform components. Requires experience in platform/systems engineering, Kubernetes, and distributed computing.

Support us in supplying the people of Europe with medicines and healthcare products quickly and reliably - and experience a job that is as diverse as it is important. Where you can proactively master challenges, implement ideas and drive change.