freelance English-speaking jobs in Bielefeld

Leads the R&D, process, and application development organization in Leuna, Germany. Provides leadership and direction for researchers, owns capacity planning, and steers work toward business value and growth opportunities. Drives cross-project execution, influences stakeholders, and owns budget responsibility for laboratory facilities.

As a Wind Farm Controller (WFC) Commissioning Engineer, you will support the commissioning and operation of wind farm control systems globally. You will collaborate with customers, grid operators, and internal specialists to ensure controller integration, grid compliance, and project delivery.

Leads the development and execution of patient advocacy strategies for Hematology-Oncology in Europe. Builds and manages relationships with patient advocacy groups and professional societies. Oversees patient engagement initiatives and tracks advocacy outcomes.

Student assistant needed for a part-time position at a hostel. Tasks include painting, flooring, furniture assembly, plumbing, and outdoor facility maintenance. Must be a registered student with a valid enrollment certificate, B2 German and English skills, and some relevant experience preferred.

As a professional driver, you will be responsible for transporting goods within Germany, ensuring timely and safe delivery.

Senior Controls/BMS Manager to lead global commissioning activities across complex, large-scale infrastructure projects. Requires deep technical expertise in control systems (BMS/BAS/EPMS/PLC) and a strong track record of delivering high-performance outcomes in data center or similar environments.

Leads cross-functional projects and strategic initiatives for the Chief Commercial Office (CCO). Develops solutions to complex problems, manages stakeholders, and drives project execution. Creates high-impact documents and presentations for executives and external events.

Experienced Registered Nurse (m/f/d) with minimum 3 years' bedside experience in a hospital setting. Provides clinical case management, communication and coordination, patient advocacy, and quality assurance for the TRICARE Overseas Program. Fluent in German and English required. Hybrid role with hospital visits and remote work, no night shifts or on-call requirements.

Lead and grow global Merchant segment sales, defining and executing strategy, driving order intake, and acting as central point of contact for all segment-related commercial activities.

Senior Business Development Manager sought to identify and acquire new customers and projects, develop strategic partnerships, and analyze markets. Requires a strong track record in biotech CDMO business development, exceeding 50m € in the last two years. Must possess excellent communication skills in German and English (C1 level) and a technical understanding of biopharmaceutical development and production.

Experienced automotive diagnostic specialist needed to support dealerships and repairers with complex vehicle issues. Diagnose and resolve electrical, electronic, and drivability faults using OEM tools. Provide on-site and remote support, identify root causes, and coach technicians. Strong technical knowledge of modern vehicle systems and diagnostic methods required. Fluency in German and English is essential.

Continental seeks a Tax Compliance Manager in Hannover, Germany. The role involves developing and maintaining tax compliance strategies, managing complex processes, coordinating with internal and external parties, and providing strategic tax guidance.

UX/UI intern to collaborate on product design and user flows for Occibo, an AI-powered self-service platform for children's book creators. Assist with wireframes, prototypes, and UI assets to shape engaging user experiences.

Provides a range of office support services including mail, files, reports, travel, and publications. Acts as the primary office assistant, manages timekeeping records, and assists with personnel-related tasks. Prepares, formats, and translates documents using office software and coordinates meetings and events.

Senior Systems Engineer with 7+ years of Linux administration experience sought to manage and optimize on-premise and cloud infrastructure. Expertise in automation tools (Ansible, Puppet, Terraform) and cloud platforms (AWS, Azure) is required.

Banking Specialist provides operational support to Avaloq clients, acting as a single point of contact for inquiries. Responsibilities include relationship management, service delivery, reporting, and processing operational requests. Requires a banking background, proficiency in MS Office 365, fluency in German and English, and strong communication skills. Previous Service Desk experience is beneficial.

Information Security Specialist will maintain, develop, and improve the Europe-wide Information Security Management System. The role involves supporting process optimization, enhancing security awareness, and providing oversight of 1st line of defense functions.

Kindergarten Teacher (m/f/x) needed for a part-time, 20.5-hour position at SIS Frankfurt. The role involves pedagogical care, educational program implementation, observation and documentation, parent-teacher meetings, and team collaboration. Applicants must have a pedagogical qualification, practical teaching experience, native English skills, and basic German knowledge.

Sales Support / Business Development Support Representative needed for a 12-month contract in Hamburg. Fluency in German and English required. Responsibilities include engaging prospects, qualifying leads, and providing administrative support. Ideal candidate has 1-3 years of experience in media, advertising, or marketing.

Field Sales Representative will support and develop existing and target customers in the independent retail segment. Responsibilities include acquiring new customers, building relationships, conducting sales presentations, and managing projects. Requires at least 3 years of field sales experience selling capital goods in the German retail sector.