freelance English-speaking jobs in Bielefeld

Interim Head of Supply Chain needed for a 12-month contract in Germany. Lead day-to-day supply chain operations, support ERP system implementations, and drive process improvements. Strong supply chain experience in chemicals, API, or manufacturing required.

This mandatory internship offers experience in content creation, social media management, and visual storytelling for a Gen-Z social platform. Tasks include filming and editing content, managing social media, and providing creative support. Applicants must be enrolled in a program requiring a mandatory internship, based in Berlin, and have basic smartphone photography/video skills.

Ensures stable operation of KRITIS control systems and core infrastructure components. Responsible for IT components in OT environments, including networks, servers, and virtualization platforms. Develops and maintains standardized IT/OT architectures. Analyzes and resolves malfunctions, plans and implements changes, and evaluates new technologies. Maintains technical documentation and manages service providers.

Nachhilfeunterricht seeks biologists, chemists, physicists, engineers, and university students to provide private tutoring in Biology and Chemistry. Tutoring modalities include remote, in-person, or hybrid.

Leads multi-disciplinary teams through complex consulting engagements, creating and positioning strategic change agendas for Kyndryl's largest accounts. Drives profitable growth, builds client relationships, and leads teams to success. Requires 10+ years of experience in technology consulting, strong CXO-level client engagement experience, and deep Insurance Industry knowledge.

Workday Adoption & Change Lead drives user adoption, change enablement, and stakeholder engagement for a global organization. Focuses on embedding sustainable Workday usage, improving manager self-service, and ensuring consistent adoption across regions.

Freelance Senior Linux Desktop Support Engineer needed for Ubuntu fleet management. Responsibilities include issue resolution, lifecycle management, configuration evolution, knowledge base development, and collaboration with security and infrastructure teams. Requires extensive Ubuntu Desktop Support experience, deep Linux Kernel knowledge, and automation skills.

Product Manager for SAP Managed Cloud Services will identify market trends, create roadmaps, and design new global managed cloud services. Responsibilities include end-to-end service offer management, product documentation, and providing product knowledge to internal teams. Requires a degree in (business) information technology, economics, or a comparable field, 3-5 years of experience in SAP technology, and fluency in English and/or German.

Senior Medical Writer responsible for developing and reviewing scientific and medical materials, including manuscripts, abstracts, and presentations. Requires strong German-English bilingual proficiency, scientific writing skills, and experience in the pharmaceutical industry.

Evaluate search outcomes for App Store Content and conduct research using online tools to assess query accuracy and intent. Must have full professional proficiency in English and German and familiarity with current German business, media, and cultural affairs.

Lead computational analysis of metagenomic datasets to uncover microbiome-driven mechanisms of chronic pain. Develop and maintain bioinformatics pipelines for processing and interpreting microbiome data. Integrate microbiome data with clinical and phenotypic datasets. Coordinate with international project partners.

Senior Embedded HMI Software Engineer to design, develop, and maintain HMI applications for medical devices on Embedded Linux platforms. Requires experience with Qt, C++, and software development in regulated industries.

HR & Administration Specialist needed for a fast-growing global logistics company. Manage employee attendance, scheduling, recruitment, and facility operations. Bachelor's degree required, fluency in Mandarin, English, and German.

Support the Voith Group's Division Hydro as an intern in Customer Service & Sales. Responsibilities include tracking quotations, coordinating customer visits, preparing customer presentations, and supporting the organization of training sessions. The ideal candidate is a student in a technical field with an interest in sales and experience with customer interaction.

Analyze and solve complex structural, thermal, and fluid-related development challenges. Independently manage projects, acquire new business, and provide technical leadership on simulation-related topics.

Working Student for Content & Community Management in Gaming & Esports. Manage social media platforms, engage with online communities, and create engaging content. Must be available weekends and have experience in social media and communication management. Fluency in English and German required.

Establish and maintain enterprise PKI services, ensuring business continuity and security compliance. Design and deploy PKI solutions for cryptographic and encryption services. Act as technical lead on security initiatives, collaborating with stakeholders.

Planning & Strategy Specialist supports AI transformation, develops innovation strategies, and analyzes industry trends for Samsung. Requires fluency in English and Korean, 3 years of experience in innovation or SCM, and strong analytical and communication skills.

Lead venture creation from opportunity identification to company launch. Identify market opportunities, design new companies, recruit venture CEOs, and build a portfolio of independent businesses. Must have direct experience launching ventures, startups, or new business units.

Postdoctoral researcher to investigate peptide-mediated G protein-coupled receptor (GPCR) signaling in the plant pathogen Ustilago maydis. The successful candidate will use molecular biology, protein biochemistry, microbiology, and structural biology approaches, with a focus on cryo-EM.