freelance English-speaking jobs in Bielefeld

The German Cancer Research Center (DKFZ) seeks a Scientific Solution Architect to design and build the technical foundations of the MEDAL platform, a global benchmark for medical imaging AI. Responsibilities include conceptualizing secure workflows for data submission, defining architectural concepts for the benchmarking platform, and translating scientific and regulatory requirements into technical concepts.

Experienced SAP QM consultant needed for S/4HANA RISE implementation. Lead QM workstream activities, translate business requirements into SAP solutions, and configure core QM functionality. Strong S/4HANA and RISE with SAP experience required.

Global Supply Chain Manager needed to develop and implement supply chain strategies, manage logistics, production planning, and inventory management. Requires 8+ years of experience in a full E2E Supply Chain role within the Biotech or Pharmaceutical industry.

Sales Intern (SMB Team) will gain a strong understanding of the Salesforce platform to help the Sales organization solve business challenges. Responsibilities include lead generation, prospecting, and coordinating sales projects.

Internship in Global Communications / Operational Excellence & Digital for enrolled students (m/f/d) in communication sciences, media, digital business, or a comparable field.

Working Student - Innovation Management supports Public Value Hub's programs in Munich, builds relationships with the ecosystem, and acts as a liaison between the Leipzig headquarters and the Munich Urban Colab.

Senior PCB Design Engineer needed for next-generation data center accelerator platforms. Responsibilities include designing complex, high-layer-count PCBs, owning EDA libraries, defining routing constraints, and collaborating with SI/PI teams. Requires 5+ years of experience with Siemens Xpedition and a strong understanding of signal and power integrity fundamentals.

Lead a €30 million MEP package for a hyperscale data centre project. Manage the full project lifecycle, build your team, and oversee both Mechanical and Electrical scopes. Proven experience delivering large-scale data centre projects and P&L accountability required.

Manufactures prototypes and samples, prepares process documents, and assists Process Engineers in developing production processes.

Intern will support validation tasks for Digital Multiphase Controllers and Smart Power Stage Modules. Responsibilities include evaluation plans, Python scripting, hardware automation, data collection and analysis, debugging, and ATE to bench correlation.

Provides customer service, processes sales orders, tracks order status, and investigates issues. Collaborates with internal teams to ensure timely and accurate order fulfillment. Requires proficiency in English and German, SAP B1 knowledge, and 2+ years of customer success experience.

Drive sales and manage customer platforms to enhance market penetration and increase share-of-wallet. Promote application-based selling and position Berner as a premium brand. Analyze sales area KPIs and regularly report to superiors.

HR & CSR Intern supporting HR management, onboarding, training, and CSR initiatives. Process support for HR projects and employer branding. Must be a matriculated student in Psychology or Human Resources Management with strong English skills.

Accounts Payable Specialist needed for a fast-growing global logistics company. Process and manage invoices, verify payment requests, and reconcile vendor accounts. Mandarin Chinese fluency required.

Experienced Test Engineer needed to design and execute tests for cutting-edge autonomy products. Analyze system specifications to derive test cases, manage test scenario spaces, and allocate tests across various environments. Evaluate test runs, provide verdicts, and offer actionable feedback to development teams. Requires a solid understanding of autonomous driving, testing logic, and machine learning. Must have a driver's license (Class B minimum).

The Martian Mindset Cluster of Excellence invites applications for two independent postdoctoral research positions. Successful candidates will lead independent research projects with full scientific and budgetary autonomy. Applicants must have a PhD (or proof of imminent completion) in any field relevant to The Martian Mindset and a convincing 3-year research program.

Working student (m/f/d) to support Senior Director Operations in Munich for 6-12 months. Gain exposure to operational management, internal initiatives, strategic projects, and office operations. Support day-to-day office functions, cross-functional activities, and project implementation. Contribute to reporting, internal communications, and office culture initiatives. Must be enrolled in a Master's program (Business Administration, Economics, or related field) with strong analytical, organizational, and communication skills.

Develop, integrate, and document structural and interior system requirements for Boeing aircraft seat integration. Perform analyses, verify system compliance, and evaluate supplier designs. Contribute to design process improvements and support certification activities.

Lead strategic logistics network planning across Europe, designing and optimizing warehouse networks, transportation, and fulfillment infrastructure.

Frankfurt International School seeks an organized and technologically proficient Administrative Assistant for Grades 6-8. The role supports the Upper School office, manages substitute teacher coverage, and assists with scheduling and events. Applicants must be proficient in English and German.