freelance English-speaking jobs in Bielefeld

Execute Business Development plans in Europe to identify, penetrate, and grow business for WuXi TIDES, a WuXi AppTec company. This role focuses on new account development and supporting existing accounts to increase revenue. Collaborate with technical teams, BD team members, and management to develop and execute strategies.

Legal Counsel (m/f/d) provides comprehensive legal support to ensure compliance with laws and regulations. The role involves drafting, reviewing, and negotiating commercial agreements, identifying legal risks, and advising on corporate governance matters.

Leads a team to ensure safe, efficient, and high-quality operations at a fulfillment center. Analyzes performance, implements process improvements, and collaborates with management to standardize practices.

Business Process Consultant for ZEISS MED segment. Analyzes, coordinates, and improves global E2E business processes. Supports change control and demand management for SAP S/4HANA entities. Designs to-be processes and participates in agile ceremonies. Requires a Bachelor's degree and 4-6 years of experience in Production and Logistics Management with SAP R/3 and relevant third-party systems. Fluency in English and German is required.

Provides operational and organizational support to management, including appointment scheduling, travel coordination, and meeting preparation. Manages communication with stakeholders and supports strategic projects. Requires several years of experience as a management assistant and strong organizational, communication, and interpersonal skills.

Lead Developer & Architect to design and build user-friendly web applications using Vue, Node, and Laravel. Collaborate with the founding team on strategic decisions, lead development teams, and drive scalable architecture and technology standardization. Extensive experience with Vue, Node, and Laravel required. Proven experience in technical planning for large-scale applications and platforms. Familiarity with web protocols, documentation formats, and AI models.

Engineer (f/m/x) Building Physics will participate in the development of energy-efficient construction projects, providing planning and consulting services in building physics. The role involves thermal insulation and energy performance calculations, sound insulation analysis, and technical consulting for clients.

The German Cancer Research Center (DKFZ) seeks a Research Software Engineer / HIFIS Consultant to join the Helmholtz Federated IT Services (HIFIS) team. This role supports sustainable research software engineering across Helmholtz centers and partners.

Provides full-cycle recruitment support for professional and technical roles, including job posting, screening, and offer processing. Manages HR inquiries, onboarding/offboarding, and maintains personnel files. Oversees day-to-day office operations, including vendor management, event coordination, and travel arrangements.

Lead and develop a professional services team delivering complex software implementations and integrations to enterprise customers across EMEA.

Senior Environmental, Health, and Safety (EH&S) Manager for EMEA projects. Leads and supports health and safety programs, ensures compliance with global and regional standards, and manages safety data and reporting. Provides expertise to internal stakeholders and external agencies on EH&S matters.

The Chief of Staff / Chief Transformation Officer to the CEO Central drives alignment, focus, and execution across the Central Operating Unit. The role provides strategic and operational support to the CEO, shapes narratives for Board-level and HQ interactions, and designs and runs OU governance. The Chief of Staff / Chief Transformation Officer also monitors impact initiatives, orchestrates the OU V2MOM, and represents the OU in internal and external events.

Facility Coordinator supports daily building operations, HSE activities, and technical facility management. Ensures smooth operations, coordinates service providers, and drives continuous improvement in safety and efficiency. Requires technical or commercial training, facility management experience, and fluency in German and English.

Master's thesis on reliable post-quantum VPN tunnels. Research and test fragmentation mitigation for lossy networks, extending an IPsec stack with open-source PQC libraries.

Leads and coordinates all internal and external audits, ensuring seamless cooperation with auditors and timely implementation of recommendations. Manages and ensures the quality of services received via Service Level Agreements (SLAs) to optimize operational efficiency. Serves as the key local contact for the Group’s IFRS network, service providers, and joint ventures. Ensures adherence to evolving statutory requirements, including e.g. the preparation for IFRS 18 and integrated ESG/non-financial reporting standards. Leads or participates in strategic cross-functional projects, such as system migrations (e.g., SAP S/4HANA) or organizational restructurings.

This 5-week contract role supports a global HR compliance project. The Administrator Coordinator will locate, organize, and review historical employee files for accuracy and completeness. Strong organizational skills, attention to detail, and the ability to work independently are required.

Head of Operations for a growing MedTech startup in Berlin. Develop and implement operational strategies, lead a team of 15-20, and collaborate with other departments. Requires a degree in a related field and 7+ years of operations management experience.

Designs and delivers scalable SAP S/4HANA Public Cloud solutions, integrating SAP with surrounding systems and third-party applications. Provides architectural guidance and leads integration design following API-first principles.

Provide technical expertise for pre-sales activities, including demos and workshops. Offer post-sales support, guiding customers through onboarding and product use. Design and explain technical solutions, translating cybersecurity concepts for customers and internal stakeholders. Collaborate cross-functionally and create technical documentation.

Strategic Partnerships & Purchasing Manager will develop and manage key partnerships with leasing providers, OEMs, and retail groups to secure inventory. Responsibilities include building relationships, negotiating agreements, and driving inventory growth. Requires 5+ years of experience in business development, sales, or strategic buying, strong stakeholder management skills, and fluency in English and German.