freelance English-speaking jobs in Bielefeld

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The Data Center Engineering Operations Technician is responsible for the delivery of best practice systems and problem resolution on data center electrical and mechanical infrastructure. This role requires a self-managed individual who proactively seeks solutions to complex technical problems. Responsibilities include setting and maintaining safety standards, driving continuous improvement efforts, and collaborating with stakeholders to deliver operational excellence. The technician will also perform preventive maintenance, monitor facility infrastructure, and respond to potential customer-impacting events.

EGG GmbH is renowned as a high-performance supplier in the fields of cleaning, disinfection and care products; hygiene paper products and washroom hygiene solutions; waste bins and refuse sacks; cleaning trolleys, equipment and accessories; cleaning machines and robotics; as well as occupational safety and hygiene protection products.

System Integration Test Engineer (m/f/d) for Airbus Helicopters in Donauwörth. Responsibilities include defining, preparing, and implementing verification and integration plans for helicopter systems, supporting ground and flight testing, and developing test procedures. Requires a completed degree in Electrical Engineering, Aerospace, or a comparable vocational training program with additional training. Experience in Project Management, Embedded Systems, and system integration and testing is preferred. Fluency in English and basic German are required.

Ecolab is a trusted partner at nearly three million customer locations in more than 170 countries and a global leader in water, hygiene and infection prevention solutions.

Develop and own the strategy for a strategic procurement category (solar panels, inverters/storage, or commodities), aligning with sales and business strategy. Lead a procurement team, manage supplier relationships, and implement framework agreements.

Experienced Operations Director to lead manufacturing across 2 sites in North Rhine-Westphalia. Full accountability for production performance, operational excellence, and strategic development of processes, technologies, and teams. Reports to Plant Manager/Managing Director and leads 5-6 managers across 600+ personnel.

As a Solutions Manager, you will leverage technical expertise in hardware, back-end systems, and SaaS to accelerate deal cycles and win business. You will act as a trusted advisor, qualify customer needs, and own the technical content of complex RFPs/RFIs/tenders. You will also empower the sales force through training and enablement, and represent Arrive at events and forums.

Packaging Engineer (m/f/d) will focus on international launch projects, optimizing existing packaging, and providing technical support. Requires a degree in Packaging Engineering and at least 3 years of experience.

Senior Fullstack Engineer to build and extend an AI-powered security review platform. Responsibilities include backend development, data flow design, consultant-facing UI development, and platform reliability. Requires 5+ years of fullstack experience, Python/FastAPI, PostgreSQL, async programming, React/TypeScript, and production deployment experience.

Lead Procurement and Supplier Management for the Packaging category within Direct Procurement. Engage with stakeholders to define requirements for suppliers and ensure procurement target achievement. Develop and execute category strategies, cost optimization initiatives, and long-term sourcing decisions.

Teach programming online at your own pace. Deliver personalized lessons to students of all levels. Strong communication and teaching skills required.

Demi Chef de Partie (m/f/d) for à la carte service in Champions Bar & Restaurant and The Grapeful Vinothek. Prepares fresh, high-quality dishes, ensures smooth operations, and contributes ideas. Requires completed chef training, experience as a Demi Chef de Partie or Commis de Cuisine, and experience in à la carte service.

Seasonal Experiential/Fitting Technician needed to deliver club fitting experiences and manage events across West and Central Germany. Must have a passion for golf, product knowledge, and experience with launch monitors like Trackman.

Provides administrative and financial support to a Facilities Management team. Manages purchase orders, invoices, and financial reports. Maintains databases and performs clerical duties. Requires two years of post-high school education and five years of diverse clerical experience.

Lead and support cross-border M&A transactions, joint ventures, and venture capital activities. Advise on legal matters, manage external counsel, and support corporate housekeeping.

The Customer Care Lead manages, coordinates, and reports on the resolution of escalated customer complaints. The role acts as a liaison between customers, the INEOS Dealer Network, and global engineering teams to ensure timely and effective issue resolution. Responsibilities include managing the relationship with the Road Side Assistance provider, optimizing processes, and ensuring compliance with technical standards, warranty policies, and customer care guidelines.

Senior Business Travel Consultant provides end-to-end booking support for elite corporate travelers. Manages complex international travel arrangements, including flights, accommodations, and auxiliary services. Requires fluency in German (C1 level) and English, 5+ years of business travel experience, and proficiency in GDS systems.

Ensure data consistency, automation, and reliability across performance tracking. Develop, maintain, and improve Power BI dashboards and reporting solutions. Translate data into actionable insights to improve service levels and operational efficiency. Track, analyze, and communicate Route-to-Market KPIs.

MarketFully Group seeks a native Norwegian speaker with SEO experience to optimize Google Business Profiles for a globally recognized sportswear brand.