freelance English-speaking jobs in Bielefeld

PhD student to study Fe-bearing materials at in-situ conditions relevant for planet formation and evolution. Participate in R&D of X-ray scattering experiments and dynamic compression experiments. Prepare PhD thesis and participate in the PhD program at TU Dortmund.

Seeking an experienced Solutions Architect to expand ClickHouse's presence. This role involves translating business needs into scalable designs, guiding clients on real-time analytics, and evangelizing the platform's capabilities.

Experienced Senior Controller needed to support financial management and performance of manufacturing operations. Responsibilities include financial control, accurate reporting, cost control, budgeting, and business partnering. Requires finance/accounting degree and experience in controlling.

Senior Project Manager leads major, business-critical BPR/DX projects with end-to-end accountability. This role sets goals, governs complex transformations, and advises senior management on value realization. Requires extensive experience in transformation leadership.

Head of IT Infrastructure owns the global technical backbone, including networks, cloud, and data centers. This role develops global strategy, leads regional teams, and steers infrastructure projects. Requires 10+ years in IT infrastructure with management experience.

Director of Sales, Windenergy, drives business growth and strategy for a leading Electronic Engineering provider. This senior role involves developing sales strategy, leading the team, and expanding the customer base across Europe.

Lead the European Sales organization strategically and operationally for a leading chemical logistics provider. Responsibilities include developing sales strategies, managing key accounts, and leading sales teams. Requires sales leadership experience.

Senior Software Architect to design and build complex fullstack systems with data & AI integrations for Industrial AI & Automation. Requires 5+ years of industry experience and a technical degree.

Seeking Director, Senior Corporate Counsel to advise the German affiliate on launch and commercialization. Provide risk-based legal advice across commercial operations, market access, competition law, and healthcare compliance. Requires 10+ years of legal experience in life sciences.

This senior leadership role leads global software engineering and R&D. The CTO shapes technology strategy, drives product-led development, and improves engineering quality and delivery across international teams.

Interim SAP S/4HANA Programme Director to lead a large-scale, multi-country transformation across Finance, Supply Chain, and Operations. Requires 15+ years' experience in global SAP S/4HANA implementations and fluent German.

Customer Operations Specialist supports supply management data accuracy and timeliness. Processes supply data from manufacturers, ensuring adherence to logistics and quality standards. Collaborates with suppliers and internal teams to optimize supply chain processes. Requires experience in logistics, supply chain support, and sales order activities. Fluency in English and German is essential.

Provide technical support for Sigenergy products via remote channels and on-site visits for installation, commissioning, and troubleshooting. Requires a relevant degree and 3+ years in the PV solar and ESS industry.

Principal Architect role in Google Cloud requires deep domain expertise to lead cross-functional teams. This hybrid role advises on enterprise cloud strategies, designing and implementing global cloud-based systems for customers.

Experienced HR leader needed to drive strategic HR priorities, strengthen people processes, and support organizational growth. Lead a small HR team, advise senior leadership, and manage complex stakeholder situations.

Experienced Site Security Manager needed to lead security teams, oversee daily operations, and ensure compliance with security procedures in a datacenter environment.

Experienced Freelance Project Manager needed to lead a large-scale EPC Data Centre project in Frankfurt. Responsibilities include managing schedules, budgets, and coordinating engineering, procurement, and construction teams. Requires a proven track record with complex infrastructure projects over €50M. English is essential.

Station Agent provides outstanding passenger services and ensures seamless airport operations. Responsibilities include coordinating crew, handling agents, and managing flight documentation. Requires a degree or high school graduation, 1+ year in aviation/tourism, and English proficiency.

Director Sales (EMEA) drives growth by developing account strategies and building executive relationships. This role requires significant experience in semiconductor sales, business development, and securing complex customer engagements.

Formulation Coordinator to support new product development and optimization of health and nutrition products. Responsibilities include formulation improvement, documentation, and regulatory compliance. Requires a degree in a related scientific field and fluency in German and English.