freelance English-speaking jobs in Bielefeld

Manage network operations, execute strategic events, and develop B2B services for QBN. Requires a Master's/Ph.D. in a STEM field, 1-3 years of relevant experience, and fluency in German and English.

Establish global logistics processes for a new semiconductor fab. Coordinate international import/export shipments, manage customs compliance, and optimize logistics operations using SAP. Requires a relevant degree and fluency in German and English.

NLU Technical Lead role requiring expertise in NLU/NLG or Knowledge Base Management. Candidates should have a strong background in developing Question Answering or Goal-Oriented Dialogue systems.

The Director, Medical Sciences (MS Lead HIV) leads the HIV MS team in Germany, co-developing and executing the Medical Affairs strategy. This role requires advanced scientific degrees and pharmaceutical experience.

Lead research to develop PFAS-free alternatives for aerospace sealing and insulation materials. Translate scientific discoveries into market-ready products, focusing on technology transfer. Requires a doctorate and experience with functional materials.

Production Coordinator role involves planning and organizing smooth production processes, monitoring effectiveness, and supporting station managers. Requires skilled trade training plus technical experience and good communication.

Post-Doctoral Researcher needed for a 2-year funded project focusing on microbial degradation of bioplastics. Tasks include identifying microbes, establishing screening platforms, and applying ALE to improve degradation efficiency. Doctoral degree in related fields with ALE experience is required.

Develop industry-leading photogrammetry software for 3D reconstruction from images and lidar. Analyze, test, and support products while translating customer needs into technical requirements. Requires 2+ years of relevant industry experience.

Maintain and repair a fleet of hybrid and electric vehicles, diagnosing issues using specialized hardware and software. Validate DAT, ADAS, AV, and EV systems while tracking inventory and documenting findings.

Develop base formulations for beer, beer mix, and malt beverages. Advise on products, produce samples, and support customer projects while considering food law. Requires 3-5 years in beverage product development.

Marketing Communications Specialist to support product launches and develop marketing campaigns across Europe. Requires fluent German and English, experience in marketing communications, and understanding of digital marketing for technical, B2B products.

Designer Integrated Photonics (f/m/x) role focused on innovation and setting industry pace. This position involves contributing to advancements in integrated photonics within a modern, collaborative environment.

Hands-on Cloud Solution Architect needed for AWS/Azure to drive enterprise cloud adoption. Responsibilities include designing secure landing zones, building prototypes with IaC, and leading modernization initiatives. Requires fluent English and German.

Senior Group Product Manager to lead the Logistics Services domain for a global online delivery platform. This role ensures foundational flows are robust while identifying growth levers. Requires significant product management experience and strong stakeholder management.

Manage an international portfolio of packaging suppliers and strategically develop the global supplier landscape. Responsible for supplier selection, sourcing decisions, and driving performance, cost, and innovation.

Support project organization and planning by maintaining schedules, tracking milestones, and preparing project documentation. Requires an enrolled student in a relevant field with strong organizational skills and proficiency in German and English.

Lead Consultant for SAP Customer Service, responsible for developing and implementing SAP solutions in ECC 6.0 and S/4 HANA. Requires 8+ years as an SAP Consultant with strong ERP CS knowledge and fluency in German and English.

Build data and AI infrastructure for next-gen medical diagnostics. Design scalable data pipelines, operationalize ML models, and ensure compliance with global regulations using Python and cloud technologies.

Lead the creation of next-generation agent systems for the AI PC era. Architect hybrid agent systems combining on-device, near-device, and cloud reasoning. Drive performance and mentor R&D teams.

Accountant for General Ledger & Fixed Assets. Responsibilities include asset invoice processing, asset creation, end-to-end fixed assets accounting, and subledger reconciliation. Requires GL/Fixed Asset expertise and SAP FI/FI AA experience.