freelance English-speaking jobs in Bielefeld

Principal Research Scientist I will lead the development and life cycle of primary packaging components for sterile dosage forms. This role requires expertise in Container Closure Systems (CCS), parenteral manufacturing, and combination products.

Product Engineer will focus on reliability of supply, reporting non-conformities, implementing corrective actions, and avoiding supply bottlenecks. The role involves yield analysis, problem solving, and communication with internal and external stakeholders.

Leads and develops a finance team, responsible for main and subsidiary accounting, financial statement preparation, and process optimization. Requires expertise in HGB, IFRS, tax law, and financial reporting.

Cloud Engineer to strengthen Paymentology's AWS cloud infrastructure. Focus on multi-account governance, IAM security, and Infrastructure as Code automation. Collaborate with Platform and Security teams to ensure operational excellence and compliance.

Develop, optimize, and industrialize ultrasonic sensor systems for flow measurement. Requires expertise in Comsol, Matlab, Python, acoustics, sensor technology, and electronics.

Regional Head of Accounting will manage and oversee accounting operations, ensuring financial record accuracy, regulatory compliance, and robust internal controls. This role involves supervising bookkeeping, coordinating closings, managing reconciliations, and preparing financial statements.

Coordinate and enable the end-to-end process team for Customs & Tax within a global SAP S/4HANA transformation program. Ensure consistent adoption of Agile methodologies and the defined Way of Working. Facilitate planning sessions, monitor project progress, and drive continuous improvement of Agile frameworks.

Data Scientist interns will apply data science methods to real-world business situations across various industries. Responsibilities include developing and delivering thought leadership, leading conferences, and working with clients to design, build, and deploy innovative solutions. Successful candidates have a strong understanding of machine learning techniques, project management skills, and excellent communication skills in German and English.

Service Technician for offshore wind energy. Responsible for maintenance of electrical and mechanical systems, inspections, repairs, and component replacement. Requires vocational training in electrical engineering, electronics, or a comparable field and strong English skills.

TaylorMade seeks a Service and Sales Executive to support German customers remotely. The role involves handling inbound/outbound calls, resolving service issues, identifying sales opportunities, and building customer relationships.

The ZIB is seeking a System Administrator for Integration and Automation to coordinate, integrate, and implement new program versions and procedures. Responsibilities include participation in automation, test and training environment creation, and documentation. The ideal candidate possesses a relevant degree or equivalent experience, profound knowledge of the Microsoft universe, and familiarity with Ansible, Open Shift, and GitHub.

Facility Management Collaborator responsible for building infrastructure upkeep, grounds maintenance, opening/closing premises, and coordinating with external partners. Requires a CFC in operating or manual/technical fields, experience in concierge, gardening, or similar roles, and a driving license B.

Leads the establishment and management of the Internal Audit/Group Audit department, reporting to the CFO. Manages external audit service providers and an international audit team. Coordinates and assesses all audit activities, including foreign subsidiaries. Designs, defines, and optimizes audit standards and develops an audit strategy. Prepares, implements, and follows up on internal audits. Communicates audit results to enhance compliance and efficiency. Supports annual and long-term audit planning and risk assessment. Coordinates Biotronik's governance, risk, and compliance measures. Supports the development of an ICS (Internal Control System) concept.

Senior InHouse Consultant providing strategic consulting support to European Management. Drives projects related to business transformation, growth, and operational excellence. Leads complex, cross-functional strategic projects from concept to implementation.

Lead and oversee the development and implementation of tax compliance strategies. Ensure adherence to local and international tax regulations. Provide strategic guidance to the tax compliance team and collaborate with senior leadership.

Leads and grows a distributed engineering organization of 200+ FTE, delivering complex, enterprise-level healthcare software solutions. Translates business and product strategy into a scalable technology roadmap, balancing innovation with legacy constraints. Acts as a key business partner to Product, Sales, Marketing, and Services.

Senior Technical Manager (f/m/x) Building Retrofit & Decarbonisation is needed to support fund teams in developing net zero implementation plans and identifying decarbonisation prop tech solutions. The role requires experience in delivering net zero carbon, energy efficiency, or building retrofit programs in the EU and experience with energy or building services modeling packages.

Experienced surgeon sought to establish and lead a lipedema practice in the Netherlands. Responsibilities include patient care, surgical procedures, and collaboration with a team of experts. Must possess surgical expertise, fluency in Dutch and English, and a commitment to patient-centered care.

Client Services Project Manager will lead complex, client-facing projects from initiation to close, ensuring alignment with the Statement of Work (SOW) and delivering measurable value. Responsibilities include planning, execution, monitoring, risk management, and post-project evaluations. Must have 2-5 years of project management experience, experience delivering enterprise projects, and fluency in German (C1 level) and English.

Trainee to support customization programming, conduct tests, provide customer support, and analyze requirements for Microsoft Dynamics 365 BC.