freelance English-speaking jobs in Bielefeld

Supports day-to-day People Operations, administrative processes, and accounting workflows. Prepares employment contracts, handles employee records, and assists with payroll inputs. Provides accounting support including journal entries, month-end close activities, and invoice tracking. Maintains process documentation and supports workflow improvements.

Senior Data Engineer with 3+ years experience needed to design and optimize Databricks architecture. Develop scalable data pipelines, automate CI/CD, and collaborate with DevOps and Data Science teams.

Intern will support the Economics team in performance management and transformation impact assessment. Responsibilities include assembling KPIs, refining data for reporting, collaborating on reports, and contributing to the Business Management Platform dashboard.

This role provides configuration and troubleshooting of Cloud/Virtualised Infrastructure, software, and Operating Systems for clients. Responsibilities include resolving technical issues, ensuring service quality, and acting as a technical escalation point. The role requires fluency in German and English, experience with AWS cloud technologies, Atlassian products, and various operating systems.

Help clients plan domestic and international trips, including researching destinations, handling bookings, and providing travel guidance.

The American Medical Center seeks a licensed psychiatrist to evaluate, diagnose, and treat patients. Requires a current, active, and unrestricted license in at least one US state or territory, BLS/CPR certification, fluency in English, and a commitment to ethical patient care.

Develop and operate IT infrastructure for AI-supported semantic data processing of materials. Research and implement ontology-based extensions for data management platforms. Integrate data spaces and provide community support.

Biostatistician (m/f/d) will perform statistical analyses, contribute to project goals, and ensure the application of state-of-the-art statistical methods.

Prysmian seeks an IMR Sales Manager to lead tendering, proposals, and contract negotiations for Inspection, Maintenance and Repair services within the Transmission Segment. The role involves developing new leads, managing customer relationships, and collaborating with internal teams to achieve sales targets.

The Principal Automotive Cost Engineer / Consulting Lead delivers advanced manufacturing and component-level cost intelligence to global automotive manufacturers. This role leads consulting engagements spanning component and commodity cost estimation, Design-for-Manufacturing (DFM), Design-to-Cost (DTC), sourcing strategy, and lifecycle cost optimization. The position also serves as a technical and strategic leader for Galorath Automotive Consulting Solutions, integrating cost-engineering platforms into client workflows and contributing to industry thought leadership.

Talent Partner needed to orchestrate talent acquisition for specialized roles in photonics, AI acceleration, and high-performance computing. Requires 4+ years of experience, market acumen, and success in securing top talent in competitive markets. Fluent English, German proficiency a plus.

The Air Freight Pricing Specialist will receive, review, and process pricing requests, clarify customer requirements, and work with local operations and sales to apply pricing strategies. The role requires experience in airfreight operations or sales, strong numerical skills, and fluency in English.

Senior Technical Expert to lead complex battery storage projects from design and engineering to construction and commissioning. Responsibilities include technical leadership, project management, construction oversight, quality assurance, system optimization, and contract negotiations. Requires a degree in a relevant field and 4+ years of experience in battery storage projects.

Support metrify's CFO with finance-related tasks. Establish and improve finance processes, aiming for automation. Develop management reporting, KPIs, and dashboards. Build financial models for business planning and decision-making. Collaborate with group finance departments.

CFO for PE-backed telecoms SME in Stuttgart area. Oversee financial operations, strategy, financing, and potential M&A. Drive evolution of finance function to a modern, agile model.

Develop and execute global B2B marketing campaigns for ophthalmology products, focusing on digital channels. Collaborate with internal and external stakeholders to create compelling content and manage budgets. Analyze campaign performance and optimize strategies based on KPIs.

Marketing Executive to support the Head of Marketing and Marketing Lead in delivering multi-channel campaigns across digital, social, email, and print. Will create content, analyze KPIs, and collaborate with European marketing teams. Requires a degree in Marketing, Business, Communications, or similar, and 2+ years of experience. Fluency in German and English is required.

Senior Product Manager for Edwards Mitral and Tricuspid Therapies Business Unit in Germany. Develop and execute the national marketing strategy, driving market development and growth. Collaborate with commercial teams and the European marketing team to achieve local business goals.

The Chief Operating Officer will establish and lead Aevoloop's operations function, including site selection, plant design and construction, regulatory approval, and commissioning. This role will define and execute the company's operational and industrialization strategy, translating technical innovation into reliable manufacturing capability.

Senior Staff Software Engineer will design, develop, and operate large-scale data lake systems. Responsibilities include partnering with product teams, driving performance improvements, and contributing to open-source projects. Requires 5+ years of experience maintaining and operating high-performance containerized applications and strong Java development skills.