freelance English-speaking jobs in Bielefeld

Front Office Shiftleader responsible for ensuring smooth guest check-in and administrative processes. Requires hotel business training, experience, fluency in English, and the ability to inspire both guests and staff.

This ERC-funded project pioneers the inverse design of time-varying metamaterials. The postdoctoral researcher will develop computational frameworks for 4D design, implement large-scale simulations, and collaborate with experimental partners.

The US Sales Representative will manage and qualify leads for US services, communicate with prospective clients, and support the sales onboarding process. This role requires strong communication skills, the ability to explain services clearly, and a focus on building client relationships.

Drives strategic sales into enterprise accounts, prospecting, qualifying, selling, and closing new business. Focus on new business development with a split of 70% new logo business and 30% account development. Manages the sales process, including lead generation, qualification, evaluation, close, and account care. Requires 7+ years of quota-carrying sales experience in software products and services.

Research Associate for the Project “Cluster of Excellence Understanding Written Artefacts” (Centre for the Study of Manuscript Cultures). Doctoral researcher in Arabic Studies will pursue a research project within a collaborative team. Responsibilities include contributing to the cluster’s interdisciplinary Graduate School and collaborative research activities. A university degree in Arabic Studies or a closely related discipline is required. Fluency in English and Arabic is necessary.

As CTO, you will lead technical direction for Caelex, shaping the future of space-compliance software. You will own architecture, scale the platform, build the engineering team, and drive enterprise capabilities.

Analyze turbomachinery components to ensure performance, durability, and manufacturability. Apply FEA and CFD methods to evaluate stresses, fatigue, and vibration behavior. Collaborate with teams to resolve production and field issues.

Senior Institutional Sales professional will acquire and cultivate institutional clients, manage mandate onboarding, and contribute to the company's growth strategy.

UPS Engineer (m/f/d) needed for Infrastructure Business Area Project Office. Collaborate with stakeholders to define system requirements, perform site surveys, and develop UPS system configurations. Integrate UPS systems with other power infrastructure, provide technical consultation, and act as a subject matter expert. Minimum 5 years of experience in UPS system design, integration, and maintenance required. Bachelor's degree in electrical engineering, systems engineering, or a related field.

Shape and lead Zenjob's B2B marketing engine, developing and owning the B2B marketing strategy. Drive lead generation campaigns, manage a team, and optimize marketing funnels.

Amazon seeks a competition lawyer to drive EU and German regulatory matters, advise on competition-related issues, and shape the company's long-term strategy.

As an Investment Valuation Manager / Associate, you will provide valuation expertise for renewable energy assets across their lifecycle, supporting investment decisions and collaborating with stakeholders. You will refine valuation methodologies, financial models, and best practices.

Leads a team of nine employees, providing technical oversight of telecommunications systems (Layers 1-3) and ensuring OT/IT security compliance. Manages project workflows, develops processes, and analyzes statistics and reports. Requires a degree in information and communication technology, project management experience, and leadership skills.

International Payroll Specialist needed for fixed-term contract (July 2026 - December 2027). Process, audit, and reconcile international payrolls for Germany, Austria, and Switzerland. Partner with external providers and internal stakeholders to ensure accurate and timely payroll reporting.

Provide first-level customer support to Finnish-speaking customers via phone, email, and chat. Process orders, manage customer accounts, and handle returns, exchanges, and repairs.

Production Scheduler (m/f/d) for Airbus Defence and Space in Manching. Define Long, Mid, and Short Term Planning for A400M MRO & Retrofit program. Implement Master Production Schedule (MPS) routines and lead daily, weekly, and monthly MPS meetings.

Develop and lead innovative research projects in cognitive neuroscience. Coordinate experimental activities and support PhD researchers. Publish in international journals and present findings at conferences.

Leads medium to large-scale technical projects, ensuring quality, cost, time, and resource delivery. Prepares project plans, budgets, calculations, and quotations. Structures projects into sub-projects, supervises engineers, and assigns responsibilities. Drives strong customer relationships and ensures high customer satisfaction. Applies ABM methodologies and adheres to EHS standards.

Composite technician performs repairs and sealing on aircraft structural components. Requires completed traineeship or experience, knowledge of English, and teamwork skills.

As an Outbound Account Executive, you will own the full sales cycle for established small merchants (upmarket SMBs) with monthly transaction volumes above €15,000. You will proactively reach out to prospects via cold calls, emails, and social channels, manage your sales territory, and build a strong sales pipeline. You will lead discovery meetings, position payment and POS solutions, and collaborate with internal teams.