freelance English-speaking jobs in Bielefeld

Lead and support technology transfers, scale-up, and process validation for drug product manufacturing, with a focus on Pre-Filled Syringes. Contribute to process and technology development and support operational excellence.

Experienced SAP S/4HANA Specialist needed to analyze, optimize, and support production planning processes. Expertise in PP, QM, and BI modules required. Must translate business requirements into technical solutions and provide user training.

Manages local warehouse and fulfillment operations, driving service performance and KPI continuous improvement. Oversees inbound/outbound processes, inventory management, and last-mile carrier capacity. Collaborates with cross-functional teams to optimize processes and improve customer experience.

VoIP Engineer to support and maintain VoIP and telephony systems, providing customer support and participating in system upgrades.

Energy Storage Sales Manager / Country Manager needed for front-of-meter BESS projects. Experience with EPCs, system integrators, and developers required. Must understand local grid codes and interconnection processes. Fluent English, local language proficiency a plus.

Experienced Document Controller needed for data centre construction project in Frankfurt. Manage and control project documentation, ensuring accurate distribution, tracking, and filing.

Account Manager (m/f/d) for the DACH region. Responsible for managing customer relationships, driving customer budgeting and account plans, and identifying new business opportunities. Requires several years of experience in the lubricant industry, strong knowledge of price management and Salesforce, and excellent communication skills.

Senior Research Engineer to develop advanced models of high-speed PHY systems, analyze impairments, and propose architectural improvements. Requires experience with signal processing, system modeling, and simulation tools.

The W2 Professorship for AI Infrastructure (f/m/d) at the Faculty of Computer Science and Business Information Systems focuses on applied research and teaching in AI infrastructure. Responsibilities include establishing a nationally and internationally visible research group, teaching undergraduate and graduate courses in AI, and collaborating with other researchers on interdisciplinary AI projects.

SAP Process Consultant/Project Manager for S/4HANA transformation program. Leads end-to-end project management activities, drives process analysis and optimization, and coordinates stakeholders. Requires 3+ years of SAP process consulting/project management experience, SD/MM knowledge, and fluency in German.

Develop and manage certification strategies for aviation products to ensure compliance with legal, regulatory, and customer requirements. Coordinate certification activities, analyze technical challenges, and collaborate with internal and external stakeholders.

Experienced SAP PP-PI/MES Integration Expert needed to support and optimize a complex manufacturing landscape. Focus on SAP PP-PI with strong integration experience, particularly with PAS-X and Werum ATLAS.

Staff Systems Engineer with technical ownership in medical device R&D. Develop PLC software (IEC 61131), design electrical assemblies, and contribute to system architecture.

Business Development Director to drive revenue growth and market expansion for a growing biotechnology and diagnostics organization. Develop and execute commercial strategy, identify new business opportunities, and build key customer relationships.

Experienced sales professional to drive expansion and development of HPC and data center products in Europe. Manage key accounts, explore opportunities, and negotiate deals. Build and lead a sales team, fostering collaboration and continuous learning.

Manage a portfolio of major airline and oil company accounts, developing and executing account plans focused on growth, retention, and customer satisfaction. Lead contract renewals and price negotiations, prepare commercial proposals, and identify upsell and cross-sell opportunities.

NDI Europe GmbH seeks a Product Manager to lead product strategy for a new product line. This role involves market research, collaborating with cross-functional teams, and ensuring successful product launches.

E-Commerce & Marketing Specialist (m/f/d) for a growing company. Contribute to various e-commerce areas based on your profile and interests. Flexible work arrangements available.

Experienced CFO or Finance Director sought for private equity-backed consumer and e-commerce companies in the DACH region. Responsibilities include financial leadership, performance management, budgeting, forecasting, and M&A support. Proven experience in similar roles and a strong understanding of commercial drivers are required.

ONEtoONE Corporate Finance Group seeks established Stuttgart-based M&A Partners, Managing Directors, and independent advisors to join its international network. The partnership offers global reach and AI-powered tools to support local practices.