freelance English-speaking jobs in Bielefeld

The Trading Strategie Manager will manage the end-to-end lifecycle of contractual assets, from evaluation and pricing to execution and performance monitoring. Responsibilities include contributing to desk PnL through trading strategies, working with the Origination team on business development, and developing hedging strategies. The role requires a proven track record in energy trading, asset optimization, or structured energy products, a detailed understanding of European energy markets, and strong quantitative and analytical skills.

Bioprocess Production Intern will support the Biotechnology team in scaling up production processes. Responsibilities include maintaining workflow, performing lab procedures, assisting with pilot equipment, and documenting data. Must be pursuing a Master's degree in a relevant field and have experience with microorganisms and GLP/aseptic techniques.

Tieto Tech Consulting seeks an SAP FI/CO Consultant to configure, implement, and optimize processes within SAP Finance and Controlling modules. Responsibilities include gathering requirements, designing processes, providing support and troubleshooting, and engaging with customers. The ideal candidate has solid experience in SAP Finance and/or Controlling, consulting experience, and fluency in German and English.

Postdoctoral researcher (m/f/d/x) will conceive and pursue a research project on the natural-cultural history of the early modern period. The position is for a fixed term of 3 years and requires a PhD in history, preferably with a specialization in early modern history. The successful candidate will prepare a funding application for follow-up funding and contribute to the Professorship's research, teaching, and transfer activities.

Ensures molecular and particulate cleanliness for components used in high-end electron microscopes. Develops, optimizes, and qualifies advanced wet-chemical and dry-cleaning processes. Implements and maintains contamination-control standards and procedures. Conducts cleanliness-focused supplier qualification and audits.

Provides administrative support to the search team, including document preparation, scheduling, expense reporting, and client communication. Maintains client and candidate databases and ensures confidentiality. Requires proficiency in Microsoft Office Suite and strong communication skills.

Customer Onboarding Specialist will train and set up new and existing customers on the eviivo suite platform. Responsibilities include ensuring content and rate setup, resolving technical issues, and developing training materials. Requires a university diploma, 2-3 years of customer onboarding experience, native German and fluent English.

The Director Environmental, Health, Safety & Security (EHS&S) provides strategic leadership and operational oversight for all EHS&S programs across the Dresden site and the broader EMEA region. This role is accountable for protecting employees, contractors, communities, assets, and the environment while driving full compliance with German, EU, and corporate regulations and standards. The Director serves as a trusted advisor to senior leadership and plays a critical role in embedding a strong safety and security culture across the organization.

The Channel Account Manager supports Sophos Partners to increase billings and adapt to the company's growing portfolio. Responsibilities include achieving bookings quotas, developing joint business plans, acting as a point of contact for operational issues, and providing sales support to partners.

Technical Support Engineer provides sales support, designs solutions, and engages with customers to ensure product success. Requires a bachelor's degree in a relevant field, 2+ years of experience in technical sales or solution development, and fluency in German and English.

Lead the Product Management team for Medical Controlling & Coding. Set and communicate the vision, roadmap, and strategy for the value stream. Analyze market needs and regulatory requirements to ensure the product roadmap reflects real customer and market value. Work cross-functionally with departments such as Sales, Service, Support, and other Product Management Teams.

Leads and manages a high-performing Sales Development Representative (SDR) team, responsible for generating qualified leads and pipeline. Develops and implements SDR operating model, including coaching, performance management, and HubSpot sales automation. Collaborates with marketing and sales to develop outreach strategies and optimize the SDR operating model.

Shape product vision, lead teams, and ensure market success for security software, AI-powered video analytics, and robotics systems. Develop market-oriented product strategy, manage product lifecycle, and collaborate with development, sales, marketing, and external partners.

Senior SAP Lead Developer responsible for managing and coordinating RICEFW development objects within a workstream. Designs and implements technical solutions aligning with business processes and project objectives.

Sales Support / Business Development Support Representative needed for a 12-month contract. Fluency in German and English required. Responsibilities include engaging prospects, qualifying leads, and providing administrative support. Ideal candidate has 1-3 years of experience in media, advertising, or marketing.

Senior Competition Lawyer to advise on antitrust and regulatory matters, providing legal counsel on German and EU competition law across business activities.

Junior Sales Enablement Manager will translate marketing materials into sales narratives, design and deliver training, and manage the enablement content library. Requires 1-2 years of B2B sales or marketing experience, fluency with AI tools, and strong presentation skills.

Vesoma seeks a Supply Chain Manager to build and own the company's end-to-end supply chain. Responsibilities include identifying, assessing, and qualifying suppliers, managing supplier relationships, and driving cost optimization. The ideal candidate has experience scaling production from prototype to high-volume manufacturing and a technical understanding of electromechanical components.

Senior Product Quality Engineer responsible for end-to-end product release quality. Focus on manual testing, collaboration with cross-functional teams, and driving continuous improvement.

Mechanical Design Engineer needed to design, certify, and manufacture wheelchair components and a revolutionary indoor vehicle. Requires a Bachelor's or Master's degree in mechanical engineering, experience with 3D CAD software (Fusion 360), and knowledge of manufacturing processes.