freelance English-speaking jobs in Bielefeld

Implement features for the "Unified Remediation Engine" including backend services in Java and Python. Develop agent logic for self-healing workflows, write tests, and collaborate with senior engineers.

Scientist (w/m/d) - Organic Chemistry will design and synthesize new molecules (additives) for surface coatings. Responsibilities include conducting laboratory experiments, assessing feasibility of scientific applications, and preparing scientific documentation.

PhD position to conduct research on the role of water and ions in catalytic reactions. The project will investigate how water and ionic environments influence reaction pathways and catalytic performance.

Administers Ericsson Charging (EC22.10+) and Ericsson Mediation (EM24.2+) modules within Ericsson's CBIO suite. Requires expertise in charging systems and BSS architecture (minimum 5 years).

Postdoctoral researcher to develop algorithms for multi-omics data integration in neuroepigenetics. Responsibilities include bioinformatics analysis, research project design, IT support, and infrastructure maintenance. Requires strong programming skills, system administration experience, and expertise in single-cell and bulk epigenomic data analysis.

Develop and implement tools to facilitate access to DLR quantum computers. Collaborate with researchers to define requirements and support user adoption. Strong Java and Python skills, agile development experience, and knowledge of linear algebra are essential.

Develop and execute sales, marketing, and clinical training strategies to support operating objectives within a defined territory. Drive sales success by establishing sales territories, setting quotas, and goals. Proven track record of achieving above and beyond sales targets consistently. Experience of selling consumable products and ideally also experience in selling capital equipment.

Retail Intern to support a luxury boutique team in Munich. Responsibilities include customer service, operational tasks, and ensuring a welcoming client experience. Must be fluent in German and English, with a passion for fashion and luxury retail.

Internship in Global Brand and Business Development Womenswear supporting daily business, project development, content creation, and digital showroom design.

Manages regional after-sales service strategies, partners with agents, and optimizes service processes. Provides direct support for key accounts and develops the regional service network. Requires a bachelor's degree, 3+ years of relevant experience, and strong communication and problem-solving skills. Travel is required.

AbbVie seeks a Principal Research Scientist I to lead the development and life cycle of container closure systems for pharmaceutical products. The role requires expertise in container closure systems, parenteral manufacturing, and combination products.

Senior Fullstack Engineer with mobile focus for online services. Drive feature development, provide technical leadership, and participate in platform improvement. Frontend expertise, web technology proficiency, and mobile PWA experience required.

As a Clinical Lead for Ello, you will shape the psychological approach of this AI mental wellness companion, ensuring safe, effective, and evidence-based support. You will define how Ello responds psychologically, collaborate with cross-functional teams, and ensure the quality and effectiveness of its conversational approach. You will also drive Ello's evaluation strategy, build the evidence base, and own psychological safety.

The Exploration Company seeks a General Counsel to manage legal compliance across subsidiaries, oversee employment law and HR compliance, and ensure regulatory and operational adherence. The role involves drafting contracts, managing risk, advising executives, and supporting international expansion. Requires a Juris Doctor, 15+ years of experience in multinational environments, and expertise in corporate governance, regulatory compliance, and ethics.

Account Executive will manage a portfolio of accounts, driving sales growth through cross-selling and up-selling. Develop and maintain a strong sales pipeline while building long-term client relationships.

Project Coordinator to manage customer projects from inquiry to mass production. Coordinate communication between customers, suppliers, and headquarters. Prepare schedules, timelines, and status reports. Support technical clarifications and documentation.

Leads the design and implementation of a centralized Digital Assurance Hub, orchestrating data streams into a single source of truth. Architects data integrations and ETL strategy, ensuring data integrity and security. Oversees verification of key controls and leads the quarterly verification program, translating findings into strategic risk insights.

Remote Full-Stack Developer needed for fast-growing startup. Build and maintain backend services using Node.js and TypeScript, design APIs, and work on web and mobile applications.

Invent representations that enable AI to understand matter. As an ML Researcher, Representation Learning, you will design representations for molecules, materials, and processes, test them in real discovery loops, and collaborate with scientists to push the boundaries of AI-native science.

Design, build, and connect secure cloud platform infrastructure. Experience with Hashicorp Suite, networking, and cloud technologies is required. Proficiency in containerization and orchestration (Kubernetes) is advantageous. Strong English communication skills are essential.