freelance English-speaking jobs in Bielefeld

Develop and operate trading activities supporting asset management, vault, and risk businesses. Focus on market-neutral and delta-neutral strategies across centralized venues and on-chain infrastructure. Define standards for trading capital deployment, risk management, and integration with underwriting, product design, and engineering.

Support and develop customer relationships in Eastern Europe and the Balkans. Acquire new customers and distributors, provide technical advice, and conduct product presentations. Analyze markets and competitors, participate in trade fairs, and collaborate with product management and marketing.

Injection Moulding Engineer to develop plastic parts for medical products. Responsibilities include design for manufacturing, supplier management, and process validation. Requires 3-5+ years of experience in plastic component development and a strong understanding of DfM/DfA.

Leads day-to-day pilot plant operations, ensuring safe, compliant, and reliable performance. Develops and implements strategic plans for the pilot plant, overseeing the scale-up of new products and processes. Supports process development and innovation projects.

Support the Restaurant Manager in overseeing daily operations of a Michelin-star restaurant. Ensure consistent quality and standards while collaborating with service teams and other departments. Contribute to financial management and pedagogical aspects of the restaurant.

Amazon Operations is seeking ambitious interns to support safety processes and operations at its Kobern-Gondorf fulfillment center. Interns will assist with safety process systems, risk assessments, accident investigations, and the development of safety procedures and training programs.

Senior Manager/Director will lead buy-side and sell-side M&A mandates, manage transaction processes, and act as client contact. Requires 8-10 years of experience in M&A, corporate finance, or transaction advisory with strong technical skills and a track record advising corporates and/or private equity clients. Fluent German and English required.

Processes payroll for German entities, ensuring accuracy, compliance, and timely payments. Manages payroll-related accruals and prepayments, acting as the primary point of contact for employee payroll inquiries. Collaborates with Finance and HR teams to ensure compliance with statutory accounting and reporting requirements.

Drive and assist in HR transformation efforts within the global Workday team. Supervise the configuration design and global roll-out of Workday Absence and Time Tracking. Collaborate with global HR process owners, developers, and stakeholders.

Lead Consultant will manage a team of data migration consultants, demonstrating expertise in Syniti's methodology, tools, and data migration processes. Requires experience in ETL, data migration, data quality, and data analysis, as well as project management and customer-facing skills.

Leads global talent management agenda, developing and implementing programs and tools across the ERGO Group. Manages leadership programs, performance management, and succession planning in collaboration with Munich RE. Advises board members and executive management.

Production worker for IT systems needed in Haan. The role supports internal processes, including IT system use, service coordination, and communication with departments.

Postdoctoral researcher sought for a 3-year project on nanocarrier-based functional analysis of myeloid cells in inflammatory skin diseases. Requires PhD in Biology, expertise in molecular biology and immunology, and experience with in vivo models.

Leads the technical implementation of customer-specific development projects for power electronic products. Manages cross-functional engineering teams, ensures project deliverables meet specifications, and collaborates with project management and customers. Requires a degree in Electrical Engineering and 5+ years of experience in development/engineering.

Laser development scientist to drive research on cryogenic high-power laser amplifiers and advanced system design for fusion applications.

International Sales Auditor conducts monthly sales & marketing revisions of PM subsidiaries worldwide. Provides suggestions for process improvements, trains new Sales Directors, and identifies risks and opportunities. Requires proficiency in Microsoft Office Suite, fluency in English, and strong analytical and communication skills. Experience in direct sales/network marketing is advantageous.

IT Compliance Manager will enhance and streamline IT compliance processes, conduct audits, and manage action plans. Requires a Master's or Bachelor's degree in a relevant field and experience in IT compliance, audits, and risk management.

DeepL is seeking a Global Head of Solution Consulting to lead and inspire a team of Solution Consultants across US, Japan, EMEA, and Agentic AI. This role reports to the CRO and is responsible for shaping the global strategy for the Solution Consulting department, fostering a customer-first approach, and collaborating cross-functionally to integrate product innovations. The ideal candidate has significant leadership experience, including managing managers, and a proven track record of building high-performing teams.

As a Senior Consultant, you will lead technical project planning, design solutions, and ensure successful implementation. You will guide customers and internal teams, resolving technical challenges and mentoring junior consultants.

Master's thesis on the conception of a smart primary power supply for aerospace applications. Focus on optimizing efficiency, integrating monitoring functions, and validating concepts through lab demonstrators. Requires knowledge of DO-160G regulations, electrical circuit simulations, and VHDL programming.