freelance English-speaking jobs in Bielefeld

Own and develop a Content Library, defining information architecture and governance for reusable proposal content. Oversee AI-assisted search and drafting, ensuring content quality and alignment across global bid teams.

Product Manager for Consumable Customization Services. This strategic, customer-facing role drives the Service portfolio from cradle to grave, making data-driven decisions to ensure commercial competitiveness and business success.

Head of Finance for a PE-backed eCommerce business. Lead the finance team, oversee reporting, drive financial planning, and improve processes. Requires finance experience, German GAAP knowledge, and strong analytical skills.

The Product Marketing Engineer acts as the technical and commercial bridge between departments. Responsibilities include developing product positioning, supporting launches, and creating technical marketing collateral.

Ph.D. Candidate position in medical informatics research. Develop and simulate mathematical models of hematopoietic stem cell dynamics. Requires a relevant Master's degree and programming skills in R or Python.

Senior Expert International Tax supports IFRS Consolidated Financial Statements by preparing international tax positions and ensuring compliance with OECD, EU, and local regulations. This role involves driving IFRS tax matters and improving tax processes.

Lead technical engagements in the DACH region, guiding customers to modernize R&D workflows using the Rescale platform. Requires 6+ years in technical sales/consulting and expertise in digital engineering disciplines.

Structural Analysis Engineer supporting Boeing aircraft interiors like Seats and Galleys. Responsibilities include lifecycle integrity, collaborating with manufacturers, and driving cross-functional problem-solving. Requires an Engineering degree.

Support the Product Manager for the customer-facing sales design system. Tasks include roadmap planning, stakeholder management, tracking adoption metrics, and contributing to AI-readiness initiatives. Requires relevant studies and strong communication skills.

Lead and mentor Specialist Solution Consultants, supporting discovery calls and demos. Provide oversight on deal forecasting and technical qualification. Leverage technical expertise to refine solutions for customers. Requires 8+ years in pre-sales and 3+ in management.

Quality Inspector in Aviation checks aircraft works and non-conformities (structure, mechanic, electric). Responsibilities include following up on corrective actions, preparing reports, and ensuring product traceability. Requires technical education and aviation quality assurance experience.

This role supports the digitalization of education at the Hertie School. Key areas include CIVICA content development, digital support for instructors using LMS, infrastructure automation, and AI literacy training.

Senior Solutions Consultant drives pre-sales strategy for PTC's ALM and PLM solutions. This role advises customers on digital transformation, leading discovery, demos, and technical evaluations to solve complex engineering challenges.

Support Global Relationship Managers with client relationship management, credit, KYC, and financial analysis. Evaluate customer performance, contribute to origination, and ensure compliant execution through cross-border collaboration. Requires 1-3 years of banking experience and advanced Excel skills.

Senior Business Operations Engineer in Data Analytics translates data into strategic insights to shape Security Services. This role builds predictive models, stewards ML pipelines, and advises leadership using data storytelling. Requires Python, SQL, Tableau, and ML knowledge.

Chemical production worker role requires precise work with hazardous materials, operating industrial trucks, and using full protective gear. Desirable qualifications include chemical technician training and specific certifications.

Drives safety awareness, leads trainings and audits, and implements initiatives to prevent accidents. Responsible for maintaining occupational health and safety compliance and supporting investigations. Requires 3+ years in safety management.

Weekend Student Job supporting automated logistics equipment. Tasks include supplying consumables and first-level troubleshooting for machines like carton erectors. Requires basic technical understanding and ability to follow SOPs.

Strategic Account Manager to drive growth across DACH and European markets. Develop strategic customers, manage sales pipelines, and analyze market trends for high-end technical solutions. Requires technical background and B2B sales experience.

Skilled IT Infrastructure Engineer needed to support, maintain, and troubleshoot enterprise environments. Responsibilities include administering Windows/Linux servers, managing virtualization (VMware, Proxmox), networking, and storage.