freelance English-speaking jobs in Bielefeld

Ophthalmologists (m/f/d) are sought for positions throughout Germany. Responsibilities include general ophthalmological examinations and treatments, visual acuity tests, preventive medical check-ups, and screening tests. The environment offers modern outpatient treatment infrastructure, administrative relief, and opportunities for professional development.

This is a full-time, permanent position for a clerical and administrative support role in an ambulatory setting. The incumbent will perform receptionist, recordkeeping, and clerical duties, including managing patient appointments, verifying eligibility for care, and handling patient inquiries. The role requires proficiency in English (B2 level) and experience with common software and computer systems.

Manages logistics-related internal and external projects, including planning, resource coordination, and progress tracking. Develops SOPs, operational mechanisms, and collaboration frameworks to improve team efficiency. Organizes and leads departmental and cross-functional meetings, ensuring task follow-up and information transparency.

Provides procurement support to Operations Directors, Project Managers, and other professionals. Manages project, small works, service, and LSP procurement activities. Executes day-to-day procurement activities for materials, equipment, and subcontracted services.

Senior Test Engineer needed for Digitalization team in Ulm. Develop test automation framework, ensure software quality, and plan/coordinate testing activities. Requires a Computer Science degree, 4+ years testing experience (ISTQB certification), and programming/scripting skills (Python, Playwright, API testing, CI/CD). Strong communication skills in German and English are essential. Experience in load testing, pentesting, or bus communication is a plus.

Trivium Group seeks a full-time Amazon Graphic Designer to create visually appealing and effective designs for product listings, storefronts, and infographics. The ideal candidate will have experience with Photoshop, AI tools, and Amazon design best practices.

Sales Operations Analyst needed to manage partner onboarding, including contract setup, account creation, and inquiry routing. Responsibilities include maintaining PowerBI dashboards, conducting business analyses, and optimizing sales processes. Requires experience in Salesforce, PowerBI, DAX, and SQL.

The CFO Switzerland will architect and optimize financial technology, drive process reengineering, and lead a team of accounting professionals. Responsibilities include building and scaling a high-performing team, delivering financial reporting, and supporting strategic decision-making. The ideal candidate has a proven track record of automating and scaling finance operations in fast-growing environments.

Administers centrally operated applications for the electronic judicial file, electronic text system, and related cross-functional procedures. Performs error analysis, troubleshooting, and system optimization within the Lower Saxony judiciary. Contributes to IT projects for software integration and future IT solutions.

The Research Lead will define and advance the organization's strategy in multimodal cognitive data fusion and Human-AI modeling. This role involves designing and conducting experiments to validate cognitive inference models and developing AI models for wearable devices. The ideal candidate has expertise in neurocognitive data analysis, machine learning, and computational modeling.

The Category Buyer Indirect Material will develop and implement sourcing and category strategies for indirect materials, services, MRO, and CAPEX. This role will identify and implement cost-saving potential and manage regional sourcing and savings projects. The Category Buyer will also execute negotiations, conduct market and supplier analyses, and manage supplier relationships.

Manage complex projects in logistics, production, and maintenance, focusing on automation and efficiency. Design and implement automation solutions, develop standardized concepts, and introduce process improvements globally.

Wave Optics Design Expert sought for research and development of HOEs and metasurfaces for optical displays and automotive LiDAR. Requires PhD in Optics and experience designing HOE or metasurface devices. Proficiency in optical design/simulation tools is essential.

We are seeking a highly motivated individual to conceptualize and build a new revenue vertical for our rapidly growing property management company. This role involves driving geographical expansion, transforming portfolio companies into scalable technology entities, and leading recruitment efforts. Native-level German fluency and a proven track record of building something from scratch are essential.

Working student supports the Talent Search Team in active sourcing, application management, recruitment, university partnerships, and employer branding initiatives.

Senior Design Manager to lead design processes for large-scale industrial and data center projects. Coordinate multidisciplinary teams, ensure design quality and compliance, and drive efficient project delivery.

Senior HR Operations Supervisor will own and drive operational HR processes in Germany, ensuring compliance with German labor law. Develop and standardize HR processes across Europe, collaborating with local HR teams. Support audits and drive consistency of HR standards.

Build and launch business tools end-to-end using AI-native tools. Own the full launch process, from concept to live URL, and iterate based on usage data. Must have a live portfolio demonstrating your ability to ship quickly.

Master Data and Process Specialist will drive process improvements, support regional and global initiatives, and collaborate with stakeholders across Supply Chain, Procurement, Quality, Trade Compliance, and Master Data Governance.

The Expert GMB Sales Development supports the strategic development of the Express Sales Channel across Europe. This role coordinates Express channel activities, enables sales teams, drives channel performance, and supports continuous improvement across commercial and operational processes.