freelance English-speaking jobs in Bielefeld

Develops and executes a global steel commodity strategy for Siemens Energy, ensuring competitiveness, resilience, and sustainability. Provides subject matter expertise on steel markets, regulations, and decarbonization. Manages strategic supplier relationships and mitigates supply chain risks.

German Customer Service Specialist needed for international projects in Lisbon, Portugal. Provide support to German-speaking customers via phone, email, and chat. Must be native/fluent in German (C1-C2) and have good English skills (B1+).

Manage the lifecycle of a product portfolio, including definition, monitoring, and phase-out decisions. Support sales teams with market launches and product improvements. Collaborate with R&D, production, and marketing teams on new product launches.

Serves as the primary point of contact for ERP integration topics across business and IT stakeholders. Analyzes, documents, and maintains AS-IS and TO-BE integration architectures covering SAP S/4HANA and legacy systems. Identifies gaps, dependencies, and risks within the ERP integration landscape and defines mitigation actions. Oversees development and change activities, ensuring requirements, scope, and timelines are met. Monitors integration performance and ensures stable operations of ERP-related interfaces.

We are an innovative winery that produces Crémant, Sekt, wine as well as a range of alcohol-free wines. We start where others stop. We have been the first winery in Europe that filled wine in aluminum bottles, and we are actively working towards an returnable bottle system for all of Germany. We are certified Fair’n Green, Save climate and vegan.

Senior Regulatory CMC Consultant needed for a leading consultancy in Munich. Provides CMC expertise on drug substances and products, ensuring regulatory compliance and supporting submissions. Requires a PhD or master's degree, 5+ years of CMC experience, and fluency in English. German language skills are a plus.

Shape Advantest's process, data, and technology landscape as a Global E2E Enterprise Architect. Develop and maintain the enterprise architecture vision, strategy, and roadmap, aligning business goals with technological capabilities. Analyze emerging trends and technologies, assess their impact, and recommend adoption strategies. Lead the design of a scalable, integrated architecture to enable Advantest's growth. Collaborate with business, process, data, and solution architects to ensure architectural coherence.

Senior Legal Counsel will provide legal advice and support to Shift4's European operations, focusing on commercial transactions, contract negotiation, and regulatory compliance.

Design and write a master's thesis on predictive maintenance for commercial dishwasher heating elements. Develop an AI-based condition monitoring approach, from sensor technology to analysis and prediction.

Conducts safety analyses and evaluations for aerospace and defense systems. Develops safety requirements based on national and international standards. Analyzes facilities for occupational safety and defines preventive measures. Requires a degree in Functional Safety Engineering or a comparable field and 5+ years of experience in safety assessment and risk management.

Senior Quantity Surveyor to manage construction projects in Germany, focusing on industrial, data center, and office fit-out projects. Requires 5+ years' experience, fluency in German and English, and a degree in Quantity Surveying or related field.

Experienced Chief Commercial Officer needed to define and execute global revenue strategy for a high-growth infrastructure platform. Drive revenue growth, market expansion, and customer engagement. Lead sales, marketing, and customer success teams. Proven track record of commercial leadership and revenue growth in high-growth environments.

Develop, maintain, and analyze integrated project schedules for Battery Energy Storage System (BESS) projects. Ensure reliable execution, progress visibility, and schedule risk identification.

Develop and execute media marketing strategies across digital channels including SEM, SEO, social media, programmatic advertising, and email. Manage daily online acquisition activities, track campaign performance, and optimize for ROI, CPA, and other key metrics.

Develop and validate cleaning processes for semiconductor components. Conduct surface analyses and drive root cause investigations for contamination issues. Lead supplier qualification and audits.

The Threat Intelligence Specialist safeguards Deutsche Börse Group's global operations against cyber threats. This role collects, analyzes, and delivers actionable intelligence to guide business decisions and reduce risk. The expert collaborates with Security Operations, Incident Response, Data Protection, and Risk Management teams.

Senior Legal Counsel needed for a full-time, indefinite term position at Entrix. Responsibilities include drafting and negotiating commercial agreements, providing guidance on corporate governance and regulatory matters, and building legal processes. Must be a fully qualified lawyer in Germany with 6+ years of experience, ideally in energy or tech. Fluency in English and German is required.

Global Benefits Analyst manages client portfolios, implements and monitors global brokerage mandates, and coordinates renewals of health and risk policies. Requires a Bachelor's degree, minimum two years' experience in insurance, and strong analytical and communication skills.

Lead and grow a high-performing engineering team (4-9 people) responsible for delivering a large-scale real estate platform. Contribute to architecture, prototypes, and code while ensuring predictable delivery and engineering quality. Manage risks, remove blockers, and drive roadmap and OKRs.

Provides customer service support to customers utilizing effective relationship management skills. Responsible for order management throughout the order life cycle, complaint management, and additional office duties.