freelance English-speaking jobs in Bielefeld

Gain professional experience in product development for medical devices. Conduct product testing, support technical documentation, and assist with risk assessments.

Lead the development and optimization of advanced GaN power device architectures. Drive TCAD simulation, modeling, and device design activities. Analyze device behavior and collaborate with cross-functional teams to improve performance and reliability.

The Content Marketing Specialist develops and executes content programs to drive brand awareness, thought leadership, and pipeline generation. This role creates content across various formats, including white papers, webinars, and case studies, and manages content distribution across multiple channels. The ideal candidate has experience in content marketing, digital marketing, and social media, with strong writing and organizational skills.

Experienced ADR-qualified Fuel Truck Driver needed for periodic 2-week assignments on a US military installation in Germany. Responsibilities include safe fuel transportation, loading, unloading, and adherence to safety regulations.

Develop and execute strategies for onboarding new Contract Manufacturing Organizations (CMOs), including market analysis, bid evaluation, contract negotiation, and relationship building. Collaborate with departments to review supply chain stability, minimize costs, and mitigate risks. Design and implement product integration strategies from deal closure to market readiness, coordinating cross-functional teams and ensuring uninterrupted supply chains. Manage the Request for Quotation (RFQ) process, identify and evaluate potential CMO vendors, prepare RFQ documentation, analyze supplier offers, and negotiate terms and pricing.

Manages project costs, ensures budget adherence, and identifies cost-saving opportunities. Develops project plans, schedules, and resource allocation. Tracks project progress, resolves construction issues, and ensures compliance with safety, quality, and environmental regulations.

Support cosmetic texture and formulation development projects. Prepare, manufacture, and analyze cosmetic formulations. Collaborate with cross-functional teams.

Procurement Specialist manages the procurement process for warehouse equipment, packaging materials, and localized services in Frankfurt. Develops and manages supplier relationships, negotiates contracts, and analyzes procurement data.

Portfolio Manager (Associate) for Leveraged Finance in Frankfurt. Responsibilities include analyzing borrower financial performance, preparing reports, and managing relationships with arranging banks and company management. Requires knowledge of leveraged finance, credit/risk analysis, cash flow modeling, and strong communication skills.

Chery Automobile seeks a V2G Product Manager to lead product planning for European bidirectional charging stations and V2G systems. The role involves market research, product roadmap development, and collaboration with R&D teams to drive the product lifecycle. Requires 5+ years of product management experience in charging stations, V2G, or energy storage, with a proven track record of overseas product launches. Fluency in English and German is required.

Master thesis focusing on modeling multiuser detection in asynchronous random access systems using spread spectrum techniques. The objective is to develop an Approximate Message Passing framework to reduce computational complexity while maintaining near-optimal performance.

The Regional Service Manager provides technical support, training, and advice to customers in the DACH region, ensuring safe operation and maintenance of equipment. Responsibilities include delivering technical training, responding to customer inquiries, overseeing the warranty program, and collaborating with the Dutch and Polish teams.

IT Security Technology & Compliance Expert will monitor, analyze, and assess cyber threats, conduct risk assessments, and support security incident response activities. The role requires experience with SIEM systems, threat intelligence platforms, and security compliance frameworks (NIS2, ISO 27001, SEMI 187/188, and CRA).

Senior Safety Engineer will support safety-related engineering activities across the project lifecycle for railway projects. Responsibilities include developing safety documentation, performing safety analyses, and supporting ETCS projects from concept through implementation. Requires a degree in a relevant field, proven experience in railway ETCS signaling projects, and strong knowledge of CENELEC safety standards.

Senior Accountant (m/f/d) will ensure financial integrity and compliance. Responsibilities include preparing financial statements, managing accounts payable/receivable, fixed assets, inventory, and general ledger accounting. Collaborate with auditors, tax advisors, and management.

The Senior Labor Relations Professional EMEA (m/f/d) will develop and implement labor relations strategies for the EMEA region, providing guidance to HR and management on labor relations issues, drafting agreements, and overseeing negotiations with works councils and trade unions.

Develop and optimize silicone-based sealants and adhesives for industrial applications. Responsibilities include formulation development, laboratory testing, and supporting scale-up to commercial production. Collaborate with cross-functional teams to drive innovation and deliver high-performance solutions.

An early-career scientist with a strong background in immunology, neuroimmunology, and systems biology is sought to develop a research program investigating the immune system's influence on brain health and protection against degenerative diseases.

Internship in Coating Development & Analysis. Work with an expert team to investigate coating lifetime stability using analytical methods. Conduct tests, document, analyze, and present results. Contribute to test plan refinement.

Electrical Engineer with 5+ years' experience needed for design, maintenance, and implementation of electrical systems and components for industrial and commercial use.