freelance English-speaking jobs in Bielefeld

Coordinates operation of the SUNDAE2 measurement system for superconducting undulator characterization. Integrates, commissions, and optimizes mechanical, electrical, and motion-control systems. Operates, maintains, and develops the SUNDAE2 Hall probe measurement system.

Manage and grow complex website and retainer projects for B2B SaaS companies. Coordinate projects, lead client communication, and translate client feedback into actionable steps for design and development. Support clients with website strategy, CRO, messaging, landing pages, and long-term website growth.

Manage day-to-day operations of after-sales service partners in Germany and Europe. Support partner development, implement service processes, and monitor KPIs. Requires analytical skills and cross-functional coordination.

Lead product vision and strategy for vendor-paid promotions products within the AdTech team. Build world-class e-commerce products by collaborating cross-functionally. Requires 10 years in digital growth/promotions and 7 years leading teams.

HR Manager provides leadership across talent acquisition, compensation, performance management, and employee relations. Requires 5+ years of HR experience, knowledge of employment law, and fluency in German and English.

Experienced Product Manager needed to shape the European nutraceutical portfolio. Own strategy, roadmap, and lead cross-functional NPD projects from concept to commercialization. Requires technical background and 5+ years in the industry.

Procurement Specialist for Facility & Construction Services drives the Sales Market procurement strategy. Responsibilities include securing supplier bases, managing agreements, and ensuring compliance with global standards. Requires 3+ years in procurement.

Lead the global revenue strategy and full commercial architecture for an AI-native automotive retail platform serving OEMs, national sales companies, and dealer networks across Europe, the Middle East, and Latin America. This role includes ownership of sales, partnerships, and customer success, with a focus on integrating acquired companies and driving consistent revenue performance.

Lead revenue growth for a PE-backed B2B property management platform. Build the institutional segment from zero, design sales operating systems, and own pricing strategy. Requires 7+ years of B2B commercial leadership.

Field Technician performs installation and maintenance of communication systems and network infrastructures. Responsibilities include diagnosing technical issues, providing on-site client support, and documenting service activities. Requires technical certification and proven field technician experience.

Senior Business Development Manager to develop sales strategies for Hong Kong and European markets. Responsibilities include identifying new business in airport, port, and transport sectors, managing negotiations, and building key regional accounts. Requires 5+ years of overseas sales experience.

Aircraft Mechanic - Sheet Metal performs routine and non-routine sheet metal work, manufactures and installs components, identifies and repairs structural damages, and ensures compliance with EASA Part-145 regulations.

The Customer Success & Operations Manager drives retention, growth, and operational excellence for the Standard Segment in DACH. This role combines portfolio ownership, renewal governance, pipeline generation, and operational program leadership.

Controller for European Logistics & Supply Chain Finance. Responsibilities include cost controlling, budgeting, forecasting, and management reporting. Requires a relevant degree, analytical skills, and proficiency in German and English.

Manages the European roadmap for order-to-delivery systems, tools, workflows, and partner integrations. Leads cross-functional programs across order management, vehicle allocation, registration, logistics, finance, leasing, payments, documentation, fleet, and delivery readiness. Translates business requirements into process flows, user stories, and system improvement initiatives. Coordinates integrations with banks, leasing companies, registration providers, logistics partners, and other external service providers. Identifies system gaps and process bottlenecks, driving improvement plans. Supports rollout, change management, user adoption, testing, training, and post-launch stabilization across European markets.

Engine Mechanic performs maintenance on engines at Airbus Hamburg, ensuring delivery schedules are met. Responsibilities include unscheduled maintenance, adhering to regulations, and recording tasks in information systems. Solid mechanics knowledge and technical English are required.

AI Research Engineer will design, develop, and deploy AI-driven security services. Responsibilities include prototyping, testing, and benchmarking AI models, as well as staying abreast of AI/ML advancements. Requires experience in Go, Python, cloud-native architectures, and AI/ML techniques.

Process Specialist supports production by analyzing and resolving manufacturing and quality issues. Responsibilities include optimizing assembly processes, reducing scrap, and documenting solutions using Lean and Six Sigma methods. Requires experience in complex medical disposable product manufacturing.

Lead the client implementations team in Frankfurt, focusing on world-class onboarding for sophisticated investors. This role requires people leadership, delivery focus, and fluency in German and English.

Warehouse Assistant role for graduates. Duties include unloading, lifting, scanning, and sorting products using technology. Requires basic German or English proficiency and ability to stand for long periods.