freelance English-speaking jobs in Bielefeld

Ausbildung 2027 zur/zum Kauffrau/Kaufmann für Büromanagement. Sie lernen verschiedene Abteilungen wie Rechnungswesen, Einkauf, Personalwesen und Sekretariat kennen. Voraussetzung ist ein guter Schulabschluss und Freude an Planung und Organisation.

Provide technical support to distributors, partners, customers, and internal teams on product usage, troubleshooting, and solutions. Develop a deep understanding of Autel's product portfolio, especially EV charging, automotive diagnostics, and smart mobility solutions. Collect and analyze customer feedback, identify root causes, and propose solutions. Work closely with R&D, product, sales, and service teams to communicate market feedback and technical improvement suggestions. Prepare and deliver product technical training, presentations, and demonstrations. Support the successful launch and continuous improvement of products in the German and European markets.

OT Security Consultant to strengthen industrial systems for energy and critical infrastructure clients. Responsibilities include IEC 62443 gap/risk assessments, threat modeling, and providing OT security training. Requires knowledge of PLCs, SCADA, and industrial protocols.

Instrument Scientist role involves operating and maintaining 2D imaging detectors and supporting coherent diffraction imaging experiments on clusters, nanoparticles, and biomolecules. Requires a PhD and experience with imaging methods.

Senior Marketing Manager to translate Pictet AM's strategy for the German market. Develop annual plans, manage local campaigns, and coordinate with sales and central teams. Requires marketing experience in asset management and fluent German.

Manage and grow an existing customer portfolio in the German market for HR software solutions. Focus on strengthening relationships, identifying expansion opportunities, and ensuring customer value. Requires B2B account management experience and fluency in German and English.

This role involves managing comprehensive housing operations, developing facility strategies, overseeing budgets, and supervising housing personnel. Key duties include managing contracts and representing the organization to stakeholders. C1 English and German proficiency are required.

Experienced Commissioning Manager needed for large-scale BESS and Grid Connection projects across Central Europe. Manage commissioning from pre-commissioning to handover, coordinating multidisciplinary teams and interfacing with stakeholders. Requires background in high-voltage electrical systems.

Join R3AMP as an Infrastructure Private Equity Intern for 4–6 months. Support investment and asset management across the infrastructure lifecycle, including deal sourcing, financial modeling, and portfolio performance assessment.

Lead the Fighter Radar Test Means Design department, overseeing the development and support of test equipment for Fighter Radar products. Responsibilities include team leadership, project steering, and process optimization. Requires engineering expertise and fluency in German and English.

Order Processing Specialist handles customer orders from entry to fulfillment, verifying details and coordinating with logistics. This role requires experience in order administration, strong ERP/CRM skills, and excellent communication.

Ambitious ESG & Sustainability Graduate role to join the Sustainability team. Gain exposure across live projects, covering environmental management, carbon reporting, and supply chains. Develop skills in a structured 12-month program.

Senior AI Engineer to lead design and delivery of AI-powered product experiences for Datadog Notebook products. Requires 6+ years of experience with Go or Python and hands-on delivery of production AI products using LLM technologies.

The Fleet Planner monitors and coordinates all maintenance measures for Beacon locomotives to ensure safe conditions and optimal technical status. Responsibilities include managing order processing, verifying documentation, and ensuring high fleet availability. Fluent German and English are required.

Deliver groceries to customers efficiently by e-bike or e-scooter. Meet and exceed delivery targets while providing exceptional customer service.

Director of SAP Service Delivery Management to build and scale a major SAP Service Delivery Management capability. This role involves defining strategy, establishing operating models, and leading high-performing teams to achieve significant growth.

Site Reliability Engineer (SRE) / DevOps professional to develop and implement infrastructure automation solutions, including IaC, CI/CD pipelines, and Kubernetes. Experience with cloud platforms, container technologies, and monitoring tools is required. Must have strong automation, scripting, and problem-solving skills. German language proficiency (B2 level) is essential.

Tax Analyst manages local and international tax matters for the DACH market unit. Responsibilities include tax reporting, coordinating audits, and advising on tax implications of business changes. Requires 5+ years in accounting and tax.

Senior Asset Manager for a growing portfolio of utility-scale BESS assets in Germany. Responsibilities include performance management, grid onboarding, regulatory compliance, and revenue maximization across technical, commercial, and regulatory domains.

Full-Stack Engineer to design, develop, and own end-to-end features using TypeScript and Java. Build backend services and frontend applications while championing engineering standards and mentoring others.