freelance English-speaking jobs in Hagen

Lead a global reporting and treasury team across Germany, Ireland, and the US. Ensure reporting integrity and compliance while developing your team. Prepare and review financial accounts according to German GAAP, IFRS, and US GAAP. Coordinate month-end and year-end closing processes. Collaborate with internal teams to optimize financial performance.

Technical Specialist will cultivate human pluripotent stem cells and cardiac differentiation. Responsibilities include quality control, SOP writing, training, and inventory management. Requires a B.S. in Biological Sciences, cell culture experience, and proficiency in molecular biology techniques.

Drive the photonic and electrical characterization of TFLN PICs in the GHz regime. Design and execute high-speed characterization routines, develop test setups, and contribute to the photodiode-PIC integration lifecycle. Mentor junior engineers and ensure adherence to lab safety standards.

Intern to validate and verify turbulence models for Simcenter STAR-CCM+. Will collect test cases, perform tests on RANS and scale-resolving models, and establish an automated testing framework. Requires a degree in Mechanical or Aerospace Engineering and proficiency in simulation tools.

German-speaking Sales Account Manager to support clients in managing and optimizing Google Ads campaigns. Provide recommendations to improve advertising performance and develop strong client relationships. Must be fluent in German and English, and willing to relocate to Barcelona.

Leads and develops multi-site operations for European Filtration Materials production, ensuring reliable and efficient production performance. Drives strategic development and operational excellence across the European manufacturing network. Collaborates with global FM Operations, Production, Engineering, and stakeholders to secure sustainable performance and long-term competitiveness.

As an Ethics & Compliance Solution Advisor, you will consult with prospective customers, understand their needs, and demonstrate how technology can enhance their compliance programs. You will collaborate with sales, product, and marketing teams to shape product direction and ensure successful customer onboarding.

Identifies and evaluates market trends for IaaS and PaaS services for SAP customers. Creates managed services portfolio roadmaps and designs new global managed cloud services. Manages end-to-end service offers and supports sales and presales teams.

Supervise production and operating workers, create deliverables, review peer work, and diagnose issues to advance AI research. Must have 4+ years of experience and excellent written communication skills.

Onboard and manage new business clients, developing and launching Google Ads campaigns. Provide tailored digital strategies, drive upselling, and analyze campaign performance.

Clinical Research Associate 2 or Senior Clinical Research Associate 1 (m/w/d) for a single sponsor. Responsibilities include site selection, monitoring, and close-out visits, supporting recruitment plans, and ensuring quality and integrity of site practices. Requires a life science degree or equivalent, 2-4 years of monitoring experience, knowledge of GCP and ICH guidelines, strong communication skills, fluency in German and English, and the ability to travel up to 60%.

Develops and tests software for aircraft maintenance systems, including the Eurofighter and future military programs. Provides system engineering support for integration, build, flight test, and maintenance programs.

Build lean, high-performance C++ software components with a focus on performance and quality. Analyze systems, write automated tests, and mentor colleagues. Master C/C++, databases, Linux, and web technologies.

Support the international service department at Bosch Home Comfort by conducting market research, competitor analysis, and developing best practices. You will also identify and implement process automation opportunities using AI tools.

Design, implement, and optimize end-to-end AI pipelines integrating Large Language Models (LLMs) into semiconductor testing workflows.

Senior Investment Strategist for Private Markets (Private Equity focus) will develop investment strategies, conduct analyses, and collaborate with internal and external partners. Requires 5+ years of investment experience, strong analytical skills, and proficiency in relevant tools.

As Key Expert for Process Analytical Technologies (PAT) and Analytical Transfers, you will implement and qualify analytical technologies, support method transfers, and develop PAT systems for real-time monitoring. You will provide technical expertise for regulatory submissions and collaborate with cross-functional teams.

Nordnet is seeking Customer Service representatives to join its new German team. You will provide phone and email support, helping customers with investments, savings, and account services. You will also share customer feedback to improve products and services.

Develop advanced machine learning architectures for automated driving functions and conduct independent research to identify and close technology gaps. Bring models from research to production and contribute to the product and feature roadmap.

Leads Data & Analytics (D&A) for global benefits sales opportunities, including client meetings and RFP responses. Drives standalone D&A projects and influences sales and marketing materials. Delivers D&A projects, trains colleagues, and supports the development of new solutions.