freelance English-speaking jobs in Bielefeld

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  • Siemens Energy
  • Mülheim
  • January 19
Designs, implements, and maintains CI/CD pipelines for automated deployment and configuration management of Linux-based systems in physical and virtual environments. Collaborates with cross-functional teams to deliver secure, reliable solutions aligned with grid-automation and cybersecurity standards.
  • Nordberg Medical
  • München
  • January 19
The Medical Science Liaison will build and maintain relationships with key medical experts in South Germany and Austria. This role involves leading scientific discussions, supporting trial enrollment, and delivering educational programs. The Medical Science Liaison will also gather medical insights, develop product education, and support Key Account Managers.
  • DKV Mobility
  • Ratingen
  • January 19
LogoSupports, expands, and analyzes XL customers, selling DKV Group products. Provides feedback on competitive observations and market trends. Develops the product portfolio in cooperation with specialist departments and other key account managers. Reports and forecasts sales figures. Participates in customer events and sales projects.
  • Fanblast
  • Hamburg
  • January 19
Fanblast seeks a Chief Marketing Officer to build and lead the marketing function, developing and executing the end-to-end marketing strategy. Responsibilities include shaping brand identity, leading creator acquisition campaigns, and building a high-performing marketing team.
  • FH Collective Academy
  • Magdeburg
  • January 19
LogoDrive revenue growth by prospecting, acquiring, and managing advertising clients across digital platforms. Lead the full sales cycle, from identifying prospects to onboarding new accounts.
  • TripleTen
  • Berlin
  • January 19
LogoSecurity Operations Engineer to build and operate security operations capability. Manage SIEM platform, respond to security incidents, and support vulnerability remediation. Experience with SIEM, vulnerability management, and security frameworks required.
  • ContractHero GmbH
  • Halle (Saale)
  • January 19
LogoFull Stack Developer with a focus on SRE responsibilities. Build features and ensure the health and scalability of the AWS platform. Strong JavaScript/TypeScript, AWS, and PostgreSQL experience required.
  • CatalYm GmbH
  • Planegg
  • January 19
LogoAs (Senior) Clinical Trial Supply Manager, you will ensure timely and reliable supply of investigational medicinal products to clinical trials. You will manage end-to-end supply execution, from forecasting and packaging to distribution and returns, collaborating with various departments and vendors.
  • Randstad
  • Garmisch-Partenkirchen
  • January 19
LogoSenior Biotech Process Engineering Specialist will evaluate and implement novel equipment and processes for biologics development and manufacturing. Responsibilities include coaching teams, coordinating with global colleagues, and acting as a change champion for new technologies. Requires 5+ years of experience in the pharmaceutical or biotech industry, project management experience, and fluency in English and German.
  • A100 ROW GmbH
  • Schwalbach
  • January 19
This role supports the operation and maintenance of AWS data center infrastructure. Responsibilities include troubleshooting electrical and mechanical equipment, ensuring safety standards, and supervising technicians.
  • Eberlein und Kunz GbR
  • Berlin
  • January 19
LogoSenior Data Engineer will design, build, and operate Azure data pipelines in Microsoft Fabric, ensuring data quality and scalability. Collaborate with the Head of Data & Analytics and Data Analysts to provide data for reporting and machine learning.
  • Iron Mountain
  • Frankfurt
  • January 19
LogoSenior Design Manager to lead design delivery of data center projects in EMEA. Experience in mission-critical design, M&E industries, and strong leadership within multi-disciplinary teams required.
  • Ascendis Pharma GmbH
  • Heidelberg
  • January 19
LogoAre you passionate about equipping scientists with technology, so they can focus on science? This is a great opportunity to explore the world of biotech and discover how technology empowers scientists to develop treatments for patients with unmet medical needs. Join the Lab Technology Solutions team in Heidelberg as our new Student Assistant.
  • HERE Technologies
  • Munich
  • January 19
LogoSenior Principal Architect will design and integrate HERE products and services into unified systems. Responsibilities include defining technical interfaces, translating market requirements into technical architecture, and leading multi-dimensional stakeholder setups. Requires expertise in automotive domain, ADAS/AD system architecture, SDV architecture patterns, and cloud-based software architecture. Proven leadership, mentoring, and customer-centric experience is essential.
  • MasterCard
  • Germany
  • January 19
Senior Software Engineer to design, develop, and maintain APIs connecting Mastercard's platform to European banks and financial institutions. Experience with .NET, Java, and cloud-agnostic microservices architecture required.
  • Hitachi Rail
  • Brilon
  • January 19
LogoLead the implementation of training strategies across various functions within the Product Line Distribution, Dry, Traction Transformers. Develop and enhance the Product Line Training Management strategy and oversee training, development, onboarding, and certification programs. Drive accountability and increase employee engagement through the implementation of the ITM system.
  • OKAPI:Orbits GmbH
  • Braunschweig
  • January 19
LogoDevelop and maintain web applications and APIs for satellite operators and space agencies using Next.js, Node.js, and TypeScript. Collaborate with teams to translate domain requirements into software solutions and contribute to full-stack development tasks.
  • Mindrift
  • Harburg
  • January 19
LogoDesign and execute test cases for LLM-based agents, simulating human workflows and defining gold-standard behavior. Analyze agent performance, iterate on test scenarios, and ensure reusability.
  • Ecolab
  • Düsseldorf
  • January 19
LogoGlobal Corporate Account Manager will sell Ecolab's value proposition, meet sales objectives, and lead customer negotiations. Requires 10+ years of B2B sales experience, a business degree, and fluency in English.
  • F24 AG
  • München
  • January 19
LogoMany years of international experience have made F24 experts in improving resilience with digital solutions. The company was founded in 2000 in Munich, where F24 AG's head office is still located. Today, F24 supports companies and organisations in more than one hundred countries, via more than 20 locations in Europe and beyond.