freelance English-speaking jobs in Bielefeld

This part-time position is responsible for loading, unloading, shipping, receiving, scanning, sorting, and stocking packages. May utilize heavy machinery. Requires ability to lift up to 70 lbs., read and memorize postal codes, and work flexible hours. Warehouse experience is preferred.

Experienced AI Enablement Lead needed to support the introduction of Amazon Q and build organizational trust in AI within a Works Council-regulated environment. This role requires fluency in German and English, strong communication skills, and experience introducing AI or advanced digital tools.

Lead cutting-edge research in computer vision for autonomous driving, aiming for publications in top-tier conferences and journals. Drive group growth by securing third-party funding and mentor PhD, Master's, and Bachelor's students.

Leads end-to-end campaign delivery across all formats, ensuring high quality execution and commercial impact. Manages Account Management, Campaign Management, and Creative teams, defining and managing the sales-to-delivery handover process. Owns post-campaign reporting and performance narratives, translating results into commercial arguments. Builds and scales efficient delivery processes, creating standardized, repeatable systems. Acts as a senior escalation point and team lead, fostering a high-performance culture.

Maintains and enhances the quality management system, ensuring BSI C5 compliance and ISO 9001 standards. Defines, adapts, and monitors software development and related service processes. Conducts internal audits and supports external audits. Ensures process and quality documentation is accurate and up-to-date. Collaborates with stakeholders to drive quality and continuous improvement.

Manages the clinical evidence process, from planning to execution and monitoring. Develops clinical strategies, performs evaluations, and supports post-market surveillance. Oversees clinical studies and ensures regulatory compliance.

The ZIB seeks an Architect for M365 and MS Entra ID to design and manage the Microsoft 365 tenant, integrating identity verification, collaboration tools, and client connectivity. Responsibilities include defining security policies, evaluating the Microsoft roadmap, and ensuring on-premises systems meet cloud service requirements.

Contract Installation Manager to oversee Army's Transition Assistance Program (TAP) operations in Vilseck, Germany. Manage staff, ensure program delivery, and maintain compliance with contractual obligations. Master's degree preferred, two years experience in career counseling or related field required.

Senior Networking Consultant for HPC and AI platforms needed to design tailored technology solutions for customers in Germany and across Europe. The role requires deep knowledge of HPC networking architectures, including InfiniBand, high-speed Ethernet, RDMA, and advanced networking topologies. Must have experience in networking performance optimization, cloud & hybrid HPC, and the ability to collaborate with sales teams, partners, and technical stakeholders.

Postdoctoral researcher to advance in situ µCT experiments at PETRA III, focusing on fatigue of magnesium-based implants. Responsibilities include improving tensile testing setups, enhancing tomographic reconstruction methods, and implementing multimodal measurement workflows. PhD in Physics/Computer Science or similar required, with hands-on experience in experimental control and programming skills.

The Operations Manager leads all operational aspects (Projects and Service) for a designated country, ensuring alignment across all business units in Europe. This role acts as a trusted advisor, develops strategic team direction, and drives improvements in processes and quality. The Operations Manager manages budgets, schedules, and project plans, oversees site walks and risk assessments, and coordinates procurement and material delivery. They also monitor project progress, resolve problems, and ensure projects are completed on time, to budget, and to a high standard.

Manage one or two SAP projects within a global program, overseeing timeline, budget, quality, and risk. Responsibilities include calculating project development and implementation risks, managing resources, building project plans, and mentoring team members.

Senior Medical Writer with native or near-native German-English proficiency required to develop scientific and medical materials for the biopharma industry. Must have a PhD in medical, life, or health sciences or a Masters degree in life sciences and at least 3 years of experience as a medical writer.

Senior Specialist Total Rewards EMEA will manage compensation cycles, analyze data, and develop recommendations. Responsibilities include designing and enhancing benefits programs, maintaining job frameworks, and advising on compensation topics. Requires a university degree, experience in compensation and benefits, and expertise in analytics and HRIS systems.

Senior Data Engineer will architect data flow solutions, design data layers, and develop ontologies to translate domain logic into queryable graph models. Responsibilities include implementing scalable data pipelines, integrating LLM-driven workflows, and defining data integrity standards. Requires 5+ years of experience building production-grade data products, proficiency in Python, SQL, and cloud infrastructure, and experience with graph databases and semantic modeling.

As a Sales Development Representative, you will identify and engage potential customers, build and optimize outbound campaigns, and collaborate with the Sales team on lead generation activities. You will analyze market trends, develop messaging strategies, and manage outreach, CRM, and automation tools.

As Engineering Quality Manager (EQM) UAS and EuroDrone, you ensure product quality throughout the engineering lifecycle of Unmanned Aerial Systems (UAS) and the EuroDrone program. You ensure compliance with quality and development standards, processes, and regulations.

Brand Management graduate role with responsibility for product and commercial innovations, marketing elements, and brand strategy. Develop marketing concepts and tactics based on consumer, shopper, and customer insights.

Design, implement, and manage scalable cloud infrastructure using Kubernetes and Azure Cloud. Develop and manage infrastructure using Terraform and Infrastructure as Code. Provide and manage tools for cost tracking and security scanning. Automate the deployment process to ensure quick and reliable software delivery. Collaborate with development teams to ensure smooth project delivery.

Junior Software Developer will work in a team to implement IT projects, optimize IT processes, and develop travel-specific IT systems. Responsibilities include analyzing the status quo, designing KPIs, implementing optimizations, and supporting personnel development measures. Requires a university degree in a relevant field and proficiency in at least one programming or scripting language. Strong analytical, problem-solving, and communication skills are essential.