freelance English-speaking jobs in Bielefeld

Support development of prototypes for latency-critical AI inference on edge platforms using C or C++. Assist with benchmarking tools, integrating AI runtimes, and investigating CPU/GPU scheduling in embedded systems.

Support ESG & Impact reporting for a leading bioeconomy VC. You will collect, validate data, prepare analyses, and drive process improvements using analytical skills. Master's student in a relevant field with passion for sustainability is ideal.

Join Oliver Wyman as an Engagement Manager or Principal in M&A. Lead client projects across the M&A lifecycle, from transaction shaping to post-deal integration, leveraging deep industry expertise. Fluency in English and German is required.

Senior Full-Stack Engineer co-owns platform areas end-to-end, guiding development using AI agents. Requires experience with web frameworks, databases, and AI coding tools. Focus is on architecture and user needs.

Senior People & Culture Business Partner enables leaders to build high-performing teams. Responsibilities include owning leader relationships, driving performance culture, and supporting talent and organization design in a fast-moving scale-up.

Support IT security compliance audits (ISO27001, SOC2), assist with product onboarding, and work on automation using scripting and AI. Students in IT, Security, or Data Science are sought.

Lead the engineering department, shaping technical direction and building a high-performing culture. Responsibilities include strategic roadmapping, team leadership, and managing the engineering budget. Requires 5+ years leading diverse engineering teams.

Own data protection and privacy across the group, building the framework from the ground up. Advise on GDPR, AI Act, and international privacy regimes for AI development and deployment.

Own the customer lifecycle for pet and equestrian marketplaces. Design journeys across email, push, in-app, and SMS, turning behavioral data into automated, measurable experiences using AI.

Senior Specialist Production supports the CEO Division Production by planning goals, leading projects, and acting as a central communication liaison. Requires a degree, analytical skills, and advanced German/English.

Develop and test AI agents and workflow automations using LLM and agentic AI frameworks. Support integration with enterprise data and drive prompt engineering and performance optimization.

Design and deliver Academy formats to inspire students and researchers toward entrepreneurship. Own awareness and education programs from concept to delivery, building a pipeline to incubation.

Experienced Data & BI Analyst needed to develop Power BI dashboards and solutions using Microsoft Fabric. Responsibilities include data modeling, DAX, Power Query, and SQL querying. Must translate business needs into BI solutions.

Design, develop, and maintain software components and user interfaces for algorithm development tools. Requires 5+ years of experience in commercial-quality software, proficiency in Python and C/C++ or Rust, and experience with custom SDK development.

Manage daily accounting operations and lead the local accounting team. Oversee monthly/quarterly/annual closing under IFRS and German GAAP. Key expertise in SAP S/4HANA, financial reporting, and internal controls.

Recruiting and Development Manager to build employment brand and talent across fulfillment operations. Responsibilities include full recruitment lifecycle management and managing learning systems. Requires 2+ years of experience and fluency in English.

SAP S/4HANA CSV & Validation Consultant needed for a pharmaceutical company deploying the core model in Germany. Responsibilities include validating SAP processes (MM, QM, FI/CO, etc.), managing data migration, and ensuring regulatory compliance.

Business Development Leader to leverage partners and hunt new customers, targeting Supply Chain and Operations Directors. Responsibilities include lead qualification, event coordination, and driving lead generation campaigns. Requires 5-10 years of relevant experience and fluency in German and English.

PhD position investigating yield stability in nutritional crop physiology. Tasks include computational analysis of weather/crop data, conducting field/greenhouse experiments, and molecular analysis. Requires a relevant Master's degree and proficiency in English and German.

Conduct independent research in medical device regulatory science, focusing on AI and digital health. Analyze European regulatory requirements for AI-enabled technologies and contribute to quality management frameworks.