ruby English-speaking jobs in Düsseldorf

Experienced Business Travel Consultant needed for a hybrid role supporting corporate travelers. Fluent German (C1+) and 5+ years of experience required. Strong GDS experience (Sabre, Amadeus, or Galileo) is mandatory.

Manage international freight shipments (ocean, air, road, multimodal). Coordinate with carriers, agents, and clients. Handle documentation, customs compliance, and shipment monitoring.

Teamlead IT - Datacenter & Infrastructure will steer, operate, and develop the global IT infrastructure, including data centers and networks. The role involves developing and implementing IT infrastructure strategy, managing projects, and ensuring a secure and high-performing environment.

Client Accountant to manage a portfolio of Special Purpose Vehicles (SPVs), ensuring high-quality service delivery. Support bookkeeping, financial reporting, and audit coordination for a diverse client base. Assist with accounts payable/receivable, VAT returns, and corporate tax filings. Liaise with external stakeholders and maintain accurate client data.

Academic research assistant (m/f/x) for Digital Humanities research and teaching. Requires a PhD in a Humanities field and expertise in at least one of: Statistical Methods, Machine Learning, Database programming, Web programming, or Python programming. Must be proficient in English (C2) and German (C2).

Experienced Head of Cargo to lead the Cologne cargo division. Full P&L responsibility for operational performance, team management, and revenue growth. Focus on expanding time-critical logistics services (OBC, NFO, Direct Drive, Charter).

Leads and manages aftersales service operations across North America, Europe, and the Middle East, ensuring service excellence and customer satisfaction. Manages service models including Mobile Service, Mobile Body & Paint, and Valet Service. Oversees complaint handling, resolution, and customer experience improvement initiatives.

The Institute of Biochemistry at Heinrich Heine University seeks a Doctoral Researcher to investigate the assembly and conformational dynamics of cellular machineries involved in transport across bacterial membranes.

Innodisk seeks a part-time Office Assistant to manage daily operations, maintain office supplies, coordinate schedules, and assist with personnel matters. Fluency in German and English is required, along with an administrative degree and proficiency in MS Office.

Senior Contract Manager for hydropower and water infrastructure projects. Responsible for tender document preparation, contract procurement, and management, including FIDIC-based contracts. Requires 20+ years of experience, including 8+ years in construction contract management, preferably in hydropower.

The Global Account Leader manages Eaton's relationship with a critical global distribution partner and an additional account. This role drives sales growth and strengthens strategic partnerships across EMEA, developing and executing a 3-5 year strategic account plan. Responsibilities include establishing global strategic relationships, developing sales and marketing plans, and ensuring alignment with Country Sales Organization priorities.

Graduate Business Development Representative to qualify leads, generate new business opportunities, and build a sales pipeline. Must be a native German speaker with excellent English, and 1-2 years of experience in business development, sales, or a client-facing role.

Provides paralegal support to the Legal Documentation team, drafting, reviewing, and negotiating standard form agreements. Manages documentation workflows, supports process improvement initiatives, and assists with knowledge transfer to an external provider.

Seeking male and female voice talents for a text-to-speech (TTS) development project. Applicants must submit a voice sample for evaluation and possess idiomatic fluency in German, French, or Spanish. Selected voices will record 1.5 hours of scripted audio for a digital avatar.

Develop and implement novel thin-film processes and technologies for MEMS applications on 300mm wafers. Drive the transfer of new processes from research to production. Lead feasibility studies and collaborate with research institutes and equipment suppliers.

The Curatorial Assistant will implement the Performance Art Program for documenta 16 in Kassel. Responsibilities include production planning, resource management, artist communication, and documentation. Requires experience in event management, art institutions, and project development.

Sortation Associate responsible for receiving, preparing, and transporting inventory. Duties include using technology, building pallets, and moving packages. Must be able to lift up to 15kg and follow directions.

Senior Account Executive (m/f/d) drives sales of complex AI projects in industrial automation for DAX companies and Hidden Champions.

The Controlling Manager – Construction (M/F) will manage a small team and oversee the financial operations of a €100 Million Group entity in Germany. Responsibilities include financial reporting, budgeting, forecasting, and process improvement. The ideal candidate has a Master's degree in Finance, 15+ years of relevant experience, and strong analytical and managerial skills.

Supports HR Director/Manager in personnel management, recruitment, and employee relations. Manages employee working hours, absences, and prepares reports. Fluent in German and English required.