freelance English-speaking jobs in Bielefeld

Leads sales strategy and business development for advanced mobility technologies in EMEA, targeting automotive OEMs and Tier-1s. Builds and manages a regional sales team, driving revenue growth and customer satisfaction. Requires 15+ years of experience in automotive engineering services sales, a proven track record of landing and expanding large strategic accounts, and strong understanding of the evolving mobility ecosystem.

Collect monthly installments from customers facing arrears, negotiate restructuring agreements, and utilize internal tools to assist customers in resolving payment issues.

Support Clarios and customers during battery system development and vehicle integration. Analyze battery failures, lead issue resolution, and provide technical support.

IT Support Specialist needed for a 6-month contract providing remote and on-site support for hardware, software, and network issues. Responsibilities include troubleshooting, installations, asset management, and process improvement. Requires 3-5 years of experience in IT support, expertise in Windows and macOS, and proficiency with ITSM and remote support tools.

Stress Engineer with 6-10 years of experience in structural analysis, including FEM (Nastran/Patran) and hand calculations. Experience with Structural Repair Manual (SRM) and structural repair assessments required. Master's degree in aerospace or mechanical engineering.

Provide customer concierge service for BMW clients, assisting in emergency situations and coordinating with rescue centers.

Coordinate technical aspects of all projects within the Business Unit Boeing. Own system architecture and define technical solution strategy. Lead interdisciplinary engineering teams and ensure compliance with quality, cost, schedule, and risk requirements.

Head of Operated Residential Germany will lead the operational strategy for Covivio's operated residential portfolio in Berlin, including a new full-service residential concept at Alexanderplatz. This role involves building and managing a team, developing operating models, and ensuring successful project launches.

The Marketing Activation Lead will adapt and implement centrally developed marketing campaigns for the German market. Responsibilities include managing trade shows, events, media relations, and providing localized product and campaign support to the sales team. The role requires strong project management, communication, and market knowledge skills.

Lead all front-office power trading activities as Power Desk Head / Head of Portfolio. Define and execute trading & hedging strategies across the portfolio. Build, scale, and run the trading desk including analytics.

Conducts risk analyses for new credit transactions and coordinates with international departments. Prepares credit decisions and implements them, including contractual documentation and disbursements. Manages assigned credit exposures, monitors risk, and collaborates with workout experts on problem situations.

The Executive Consultant (m/f/d) to the Head of Technology Unit provides strategic and operational support, ensuring the efficient operation of the Technology Unit. Responsibilities include acting as a trusted advisor, managing projects, driving cross-functional collaboration, and representing the Head of Technology Unit.

The Leibniz Institute for Tropospheric Research seeks a Head of the European Center for Aerosol Calibration and Characterization (CAIS-ECAC) and Researcher in Atmospheric Microphysics. The position involves research, strategic management of CAIS-ECAC, ensuring scientific standards for aerosol characterization, and international collaboration.

Junior Fullstack Engineer will build and improve features across a financial intelligence platform. Responsibilities include implementing user-facing features, contributing to backend services, developing UI components, and integrating third-party systems.

UX Design Intern will support the creation of user-centered concepts for digital products and services. Assist in translating design ideas into presentations and learn UX methods and workflows. Collaborate with brand and design system teams and work with agile project teams.

Analyst for ING Wholesale Banking Germany's TMT&H Sector Coverage team. Develop client relationships, originate projects, and analyze financial information. Support transactions throughout their lifecycle and contribute to internal credit and investment committee processes.

Leads commercial development of lab testing services and manages lab organization. Ensures compliance with regulations and internal procedures. Manages budgets, staff resources, and customer service. Implements new processes and technologies. Responsible for quality control in accordance with German Medicines Act and pharmaceutical and drug manufacturing Regulation. Requires a scientific degree and experience in the pharmaceutical/medical device industry.

PhD student in the research group of Dr. Alexander Busch, focusing on the mechanisms of the Hypothalamic-Pituitary-Gonadal (HPG) axis regulation in human reproduction. Responsibilities include implementing laboratory and computational workflows, collecting data, and characterizing molecular mechanisms.

The W2-Professorship (m/f/x) Change Management in Fashion Business at TEXOVERSUM School of Textiles focuses on teaching change processes in the fashion and textile industry. The successful candidate will develop degree programs, teach in English, conduct research, and collaborate with industry partners.

Senior Project Manager to lead data centre projects from initiation to closure. Manage scope, budget, schedule, quality, and risk, ensuring compliance with governance protocols. Lead a team, build stakeholder relationships, and drive on-time delivery.