freelance English-speaking jobs in Bielefeld

Experienced Systems Development Engineers are needed to build and lead operations and development teams for the European Sovereign Cloud (ESC). Responsibilities include ensuring the availability, reliability, latency, performance, and efficiency of ESC services. Must be a national of an EU member state and have proven experience in software development or a related field.

Deliver international health and wellbeing consulting to multinational clients. Develop health optimization strategies, analyze diverse data, and coordinate multi-stakeholder projects. Requires experience in insurance or related fields.

Global Marketing Intelligence & Strategy Manager to be the expert on markets, customers, competitors, and regulations in the activated carbon industry. Turn data into strategic direction across water, air, food & beverage, and industrial applications.

Sales Manager for the BeNeLux governmental market, focusing on expanding Quantum Systems' footprint in defense and security agencies. Responsibilities include strategic relationship building, B2G network management, and driving sales in autonomous systems.

Engineering & Technology Internship offering hands-on experience supporting research and development in ground-based astronomy. Roles cover data analysis, real-time computing, optical, mechanical, and radio technologies. Requires a Master's student in a STEM field.

Strategic Key Account Manager for Mobility in Germany. Develop enterprise customer relationships in public transport and aviation, driving digital transformation and new business opportunities using T-Systems' technology portfolio.

Logistics Employee position available. Part-time and full-time opportunities exist. No prior experience is required for this role.

Senior Operational Risk Manager responsible for shaping the Operational Risk Framework and managing ICT-related risks. Duties include RCSA, loss event management, scenario analysis, and ensuring compliance with MaRisk and CRR.

Build an AI agent to analyze CAN measurements for machine diagnostics and root-cause analysis. Develop agent harness, custom skills, and automated signal detection. Requires Python, LangChain, and knowledge of control systems.

Amazon Warehouse Team Member role involves supporting delivery operations. Opportunities are available for full-time or part-time shifts with fixed schedules.

Senior Systems Engineer for Real-Time Processing using Rust/C++. Focus on low-latency, zero-downtime production software, including lock-free concurrency and Linux performance tuning.

Experienced hospital nurse sought for a full-time, fixed-term role providing near-patient nursing care. This position requires clinical experience in the inpatient setting and offers no night shifts.

Staff Quantitative Researcher to guide algorithmic trading for flexibility in European power markets. Own the alpha generation pipeline from signal research to live trading, combining ML and optimization.

Clinical Trials Assistant 1 supports study operations by maintaining Trial Master Files, tracking documentation, and assisting with data workflows. Requires a life science degree preference, C1 German, and good English.

Valuation Manager Europe steers the valuation process for a European portfolio. Responsibilities include reviewing external valuations, quantitative market analysis, and acting as the valuation expert for internal and external clients.

Senior Consultant Financial Strategy drives strategic projects and business transformation for Eastern European subsidiaries. Responsibilities include optimizing financial structures, AI implementation, and managing complex initiatives. Requires a relevant degree and project experience.

The University of Passau owes its strong visibility and good repute to excellent research, innovative teaching and its tight-knit international academic networks.

Sales Stylist in part-time role at LS&Co. Stylists create the in-store experience by providing 1:1 service, sharing styling advice, and supporting store operations. Requires a passion for fashion and strong communication skills.

Commissioning Engineer for Onshore Wind. Responsibilities include reviewing specifications, implementing configurations, and conducting signal tests with grid operators. Requires an electrical engineering degree and 1-2 years of project experience.

PhD candidate to investigate demand elasticities for organic food and information interventions on biodiversity-friendly choices. Requires Master's in related field, econometrics background, and R or Stata skills.