freelance English-speaking jobs in Bielefeld

Leads Solution Architecture across Europe, ensuring consistent, scalable, and performance-ready architectures for customer projects. Drives professional development and technical excellence within the Solution Architect team. Collaborates with Sales, Product, and Delivery leadership to shape technical approaches and unlock growth.

Clinical Trial Physician (m/f/d) needed for neurology-related studies. Provide medical oversight, contribute to study design, ensure patient safety, and collaborate with cross-functional teams. Requires a valid medical license, board certification in Neurology, and experience in clinical research.

Quality Assurance Lead Nurse will champion high standards of patient care and drive continuous service improvement. This home-based role involves leading quality initiatives, overseeing service recovery, analyzing provider data, and supporting audits to uphold clinical quality standards.

Security Consultant specializing in Security Intel & Operations Consulting Services. Provides consulting services to understand clients' security requirements and design solutions applying security principles and knowledge of security intelligence and operations. Develops security strategies, programs, and plans for clients. Demonstrates thought leadership and coaches team members.

Systems Engineer responsible for component testing, commissioning, acceptance testing, installation, and maintenance. Requires technical training in electronics or IT systems, strong communication skills, and a systematic approach to work.

Support the implementation of IFRS 18, develop analytical tools in Power BI, and assist with monthly consolidation processes.

Develop and maintain networking systems for a proprietary game engine. Improve existing code, design new features, and collaborate with game teams. Experience with C++, low-level network programming, and multiplayer game development is required.

Develop and improve software for AMZL automation and robotics technologies. Expertise in industrial automation systems, communication protocols, and software development methodologies required. Experience with PLC programming, HMI, VFDs, Servo Drives, and industrial fieldbuses is essential. Strong problem-solving, communication, and project management skills needed.

Software Engineer (m/f/d) supports customers by understanding and modeling systems, developing plugins, and setting up DevOps environments. Requires a Bachelor's/Master's degree in computer science, software/systems engineering, or a related field, strong problem-solving skills, programming experience (Java preferred), and fluency in German and English.

Research assistant needed for work in "Machine Learning for Audio Signal Processing". Requires a completed Master's or Dipl. (Univ.) degree in electrical engineering or information technology. Desirable skills include knowledge of Digital Signal Processing, Audio Signal Processing, Machine Learning, Python, Linux, and strong communication skills. Proven English proficiency (C1 level) or a degree from an English-speaking university is required.

We are seeking a German/English-speaking Retention Specialist to handle high-stakes conversations with customers considering cancellation. You will use your persuasive skills to understand their reasons for leaving and guide them towards staying with our company.

Designs, coordinates, and improves extracurricular learning activities at 42 Heilbronn, complementing the core curriculum. Manages student-facing communication for extracurricular offerings and supports student communities. Collects and incorporates feedback to continuously improve learning programs.

As a key member of the bank's risk function, you will manage ICT risk, ensuring IT systems are secure and compliant with regulations. You will assess risks, develop mitigation strategies, and leverage AI to enhance risk management and compliance processes.

This full-time position in Berlin entails billing and collection from Mindspace members. The Senior Account Receivable Manager will lead a team, optimize processes, and support members and the finance team. Requires a Bachelor's degree, at least 6 years of Accounts Receivable experience, and fluency in German and English.

Lead and manage all global customs & export control topics, ensuring compliance with regulations and tax laws. Direct legal changes and emerging trends in global trade legislation. Steer import-export operations, tariff classifications, and AEO certification. Implement global customs procedures and coordinate corrective actions. Lead and mentor a team of customs professionals. Manage audits and provide training on customs & export control.

International SOS seeks a Registered Nurse to provide medical case management for TRICARE beneficiaries. Responsibilities include visiting patients, writing medical reports, and liaising with healthcare providers. Must be fluent in German and English and have a minimum of 3 years of nursing experience.

Legal counsel to support a broad range of commercial contracts (customer and supplier facing) across a global business. The role reports to the Head of Commercial Contracts and involves reviewing, amending, drafting, and negotiating contracts, ensuring compliance with policies, procedures, and relevant legislation.

Guest Experience Experts deliver a memorable and unique stay for guests by providing a range of services throughout their visit. They process operational needs, address guest requests, complete reports, and share local area highlights.

Software Engineer for Simulation UI Systems at Airbus Defence & Space in Manching. Responsibilities include gathering requirements, designing and developing software for simulation control stations, and participating in software development processes. Requires C++, Qt/QML expertise, and fluency in German and English.

Research and develop innovative methods for fusing underwater acoustic data with vessel movement data to detect maritime security anomalies. Design and implement AI models for anomaly detection in time series and geospatial data. Validate models using field experiment and long-term measurement datasets.