ruby English-speaking jobs in Düsseldorf

Senior Machine Learning Engineer to design, build, and deploy AI/ML solutions in production environments. Collaborate with cross-functional teams to deliver AI-driven product features. Requires 4+ years of experience in Machine Learning, strong Python and SQL skills, and experience building production-grade ML systems.

Supply Chain Logistics Manager designs and implements integrated logistics solutions for non-standard auto parts. Leads strategic sourcing and supplier negotiations for pan-European contract logistics providers. Requires a bachelor's degree, 5+ years of European contract logistics experience, and proficiency in logistics and customs regulations.

Working Student – Influencer Relations supports the Influencer Team throughout the campaign process, from creator research to campaign management and relationship building.

Master's thesis analyzing cleanroom- and vacuum-compatible quick-connection systems for gas supply.

Leads the operational and tactical demand planning function, transforming forecasts into inventory, replenishment, and purchasing decisions. Manages inventory levels, monitors stock performance, and mitigates supply chain risks. Collaborates with stakeholders to ensure planning activities align with business objectives.

Senior Search Marketing Specialist to manage and execute SEO and AEO campaigns for Finance clients. Develop content strategy, collaborate with cross-functional teams, and analyze search performance.

Senior Construction Manager to lead civil and infrastructure construction activities on a major pharmaceutical manufacturing facility in Germany.

The Tax Product Manager defines and executes the product roadmap for tax services delivered to cross border institutional investors. Responsibilities include monitoring tax changes, defining tax servicing standards, executing the tax strategy, and managing client and competitor market research. The role requires expertise in German tax regulations, fluency in German and English, and experience in financial services tax.

Property Manager to support the mobilization and management of a prestigious office portfolio in Germany. Manage a portfolio of commercial office assets, act as the main point of contact for tenants, landlords, and stakeholders, and coordinate on-site teams, suppliers, and service providers.

Leads Quality Control and Assurance activities for an ophthalmology-focused medical device manufacturer. Manages a team of five, ensuring compliance with MDR regulations and driving continuous improvement. Requires a degree in a scientific discipline and experience in a regulated manufacturing environment.

Design and develop integrated photonic systems and components. Collaborate with cross-functional teams to define system requirements and specifications. Identify and assess project risks and develop countermeasures. Conduct simulations and modeling of photonic systems to optimize performance. Validate integrated photonic devices.

Provides on-site IT support for desktops, laptops, and peripherals. Performs hardware and software installations, troubleshooting, and maintenance. Handles IMAC activities, asset tracking, and vendor coordination. Supports Office 365, printer setup, and conference room technologies. Ensures adherence to SLAs and documents support activities.

This role provides end-to-end office administration and supports day-to-day HR tasks for local employees. Responsibilities include managing office routines, procurement, and vendor liaison, as well as assisting with recruitment, onboarding, and HR operations. Requires a bachelor's degree, 1-3 years of experience, and fluency in English and German.

Experienced Quality Assurance Manager needed to develop, implement, and maintain quality systems for major engineering and construction projects. Will lead audits, inspections, and quality reviews, ensuring compliance with contractual and industry standards.

This is a founding product and engineering leadership role for an AI-native company focused on deploying governed AI systems into real operational processes. The role requires someone who sees that early engagements are the engineering environment and that building inside real operations is the only path to a platform that survives contact with reality. Responsibilities include designing the architecture of an AI-native operations platform, building a small, elite product and engineering organization, and working hands-on on core platform components in client engagements.

Facility Engineer with electrical or building services background needed for data center maintenance. Responsibilities include electrical and mechanical upkeep, contractor management, and incident resolution. Training provided for switching/voltage authorizations.

Develop and maintain scalable .NET applications and microservices using modern architecture principles. Build and enhance ETRM solutions (Allegro/Horizon) supporting full trade lifecycle.

Experienced Software Engineer to design and build high-performance financial software using C#, .NET, WPF, MVVM, ASP.NET Core, Typescript, Javascript, Angular, REST APIs, SQL Server, Entity Framework Core, Azure, Python, Docker, Git, and CI/CD.

Lead the design, development, and productization of agentic AI capabilities within the Korro platform. Translate clinical, therapeutic, and product needs into reliable agentic system designs. Build robust, scalable, and maintainable agentic architectures that interact with Korro's product systems and data.

UX Designer needed for a 3-month contract with potential extension. Design intuitive user experiences within complex technical environments, focusing on functionality, seamlessness, and accessibility. Expertise in GCP, Product Design, CUJ mapping, and UX/UI design principles is required. Fluent English and German is preferred.