freelance English-speaking jobs in Bielefeld

Senior Strategy Consultant to support executive transformation engagements across Europe. Shape executive discussions through workshops, strategic research, and business case development.

Freelance lecturer in Engineering Software Automation Technology needed for 48 teaching units starting July 1, 2026, in Berlin. Teach fundamental knowledge in areas like industrial automation systems, communication networks, and cybersecurity.

Information security consultant delivering practical, regulatory-driven security and risk projects for financial services, critical infrastructure, and other regulated industries.

Customer Service Clerk (Freight forwarder) handles daily operations including quotations, invoicing, shipment coordination, and communication with internal and external teams.

Bike Mechanic needed for refurbishment center in Düsseldorf, Berlin, or Stuttgart. Repair and refurbish e-bikes to high quality standards. 1-2 years of experience in bike or e-bike mechanics required. Fluency in German and/or English.

Executive Assistant to support two Managing Directors at a global alternative investment firm. Requires knowledge of the private equity and alternative investment industry, fluency in German and English, and advanced Microsoft Office skills.

Provides support to the Operations department, coordinating speaker, sponsor, and delegate communications. Plans and executes event logistics, manages event budgets and timelines, and oversees attendee experience.

SAP GTS Senior Consultant with 2+ years of experience in customizing SAP GTS and a consulting background. Must have knowledge of compliance, import/export. Bachelor's degree required. S/4HANA experience is a plus. Fluent in German and English.

Data Analyst to analyze manufacturing data, support data modeling, and map data across domains. Requires 8-12 years of experience, strong SQL skills, and understanding of data modeling.

As a Tech Lead IT Developer, you'll guide ML engineers and data scientists to tracebloc. You'll build and manage our developer community, create technical content, and speak at conferences. You have 2-4 years of ML or data science experience, are active in ML communities, and can write technical content that is both clear and helpful.

Associate to join a pan-European development finance firm. Manage transactions across the lifespan of a Development Finance facility. Lead due diligence/underwriting process, review financial models, and produce underwriting documents.

As an App CRM Manager, you will design and execute push notification and in-app communication strategies for the Redcare App. You will act as the technical and strategic expert for the app CRM tool, enabling marketing teams to run campaigns and providing technical support for complex use cases. You will work closely with Product, Engineering, and Marketing teams to build a scalable and data-driven mobile CRM setup.

Bitget Wallet seeks an EU Growth Manager to recruit affiliates, drive user growth, and manage local campaigns. Requires DeFi knowledge, affiliate experience, and fluency in English.

Develop and implement IT cost management strategies for clients, contributing strategic insights into procurement of hardware, software, and managed services. Manage external and internal stakeholders, including C-level contacts, and lead negotiations.

Senior Product Manager to build the future of N26's Runtime Platform, leveraging data and customer insights to drive growth and operational metrics.

Associate to join the Debt Structuring & Portfolio Management team, focusing on infrastructure and private debt. Support deal structuring, manage existing investments, and prepare investor reports. Requires a degree in a relevant field and at least three years of experience in infrastructure debt/project finance/structure finance. Strong German and English language skills are essential.

Support project teams in planning, coordinating, and delivering client projects. Create and maintain project plans, timelines, and documentation. Contribute to the successful delivery of tailored solutions.

Computational Scientist to analyze translational and clinical biomarker datasets. PhD in Life Sciences, Biology, or related field required. Strong R and Python skills essential.

Senior Consultant (m/w/d) Freelance will lead and execute qualification and validation activities for equipment, utilities, facilities, computer systems, and processes within the life sciences industry. Ensures compliance with GxP standards and global regulatory requirements. Requires 3-5 years of experience in validation and qualification within the life sciences industry and a Bachelor's, Master's degree or PhD in a related field.

As a site manager, you will coordinate and supervise subcontractors, ensure compliance with construction plans and regulations, and act as the point of contact for project participants. You will manage construction projects, conduct reporting, and negotiate change orders.