ruby English-speaking jobs in Düsseldorf

Define, implement, and maintain Hardware R&D processes, standards, and guidelines. Lead process improvement projects, create documentation, and conduct trainings. Analyze and improve processes based on feedback and best practices.

Lead the central architecture function for Sales, Marketing, and Business Intelligence & Analytics, defining target architectures, roadmaps, and driving the transition to a Product Operating Model. Champion modern architectural principles and enable AI capabilities.

A Master's student will investigate metabolite production and signaling during monocyte to macrophage differentiation and recruitment. The position involves learning and performing immunology and molecular biology techniques, including flow cytometry, qPCR, and western blot.

Leads Data Foundations business in Austria and German Mid-Market, driving profitable growth in integration, data management, and AI. Responsible for team leadership, go-to-market strategy, operational excellence, and strategic deal orchestration. Requires SaaS leadership experience, sales mastery, strategic network, and fluency in German and English.

Trade Mark Paralegal to manage international trade mark and design formalities, ensuring accurate handling of filings, deadline tracking, and IP schedule management. Coordinate with attorneys, partners, and foreign agents to progress actions and meet deadlines. Maintain internal IP databases and due date systems. Prepare cost estimates and legal documentation for registrations. Monitor portfolio status and produce correspondence for clients and trade mark authorities.

Leads management reporting and forecasting for a global business group, partnering with senior leaders to drive modernization across reporting, processes, and systems. Manages in-depth analyses of business performance and contributes to key projects.

Experienced CFO to lead financial strategy, transformation, and performance management across Finance, Controlling, Procurement, and IT for a century-old industrial manufacturing company.

Lead the design, build, and deployment of large-scale AI recommendation systems for vendor success. Own the architecture and modeling for determining optimal actions to maximize vendor success metrics. Lead initiatives in advanced time series modeling for demand prediction and vendor forecasting. Act as the technical authority for take rate optimization, using statistical rigor to measure the incrementality and efficiency of vendor-facing pricing and adtech levers.

Assistant Kitchen Manager supports daily meal production and kitchen operations. This hands-on role involves food preparation, quality control, and team coordination. Requires cooking experience, knowledge of HACCP practices, and strong communication skills.

Senior Director for Alternative Investment Funds needed. Requires 8+ years of experience in finance with a focus on alternative investments. Master's degree in a relevant field is required. Strong analytical, communication, and problem-solving skills are essential. Fluency in German and at least one other major European language is required.

Requirement Engineer (m/w/d) needed for a growing healthcare technology company. Responsibilities include requirement management, technical compliance, backlog and roadmap maintenance, and collaboration with product and development teams. Requires a bachelor's degree, 3+ years of experience, experience with agile development teams, and knowledge of Jira and application design.

Experienced Health & Safety Manager needed for a major data centre construction project in Frankfurt. Develop, implement, and maintain project-specific H&S plans, procedures, and method statements. Conduct site inspections, audits, and risk assessments ensuring compliance with German regulations and company standards. Support construction and MEP teams in safe planning of high-risk activities. Manage subcontractor H&S performance and investigate incidents.

Experienced Head of Accounting (m/f/d) sought for a fast-growing company. Lead and develop accounting across a complex group structure, overseeing financial statements, ensuring compliance, and managing a finance team.

Energy Consultant to manage client accounts, deliver energy management consulting services, and collaborate with project teams. Requires prior experience in consulting or the energy/utility sector and proficiency with MS Office, CRM systems, and online productivity tools.

Leads, coaches, and develops Key Account Team Leads across the UK, Italy, Spain, and Germany. Owns the European Key Account revenue target and defines and refines the Key Account playbook across all four markets. Partners with Product, Marketing, and Solutions Engineering to refine SumUp's value proposition for large-scale European merchants. Establishes a structured management rhythm across Team Leads focused on high-value deal progression.

Develop and execute community growth strategies for the UK market. Plan and publish localized content, moderate user-generated content, and execute online and offline campaigns.

Deliver groceries to customers efficiently by e-bike or e-scooter. Meet and exceed delivery targets while providing exceptional customer service.

Team Lead Marketplace Management / Amazon Consulting will manage sales and marketing of client products on marketplaces, focusing on Amazon Seller Central. Responsibilities include onboarding new customers, ensuring account growth, and leading a team of 3-5 ecommerce professionals.

Account Executive to drive sales growth in the automotive and mobility sectors. Full sales cycle ownership, from prospecting to closing deals. Experience selling SaaS, AI, or data solutions to enterprise customers in the automotive industry required. Fluency in English and German essential.

Develop and implement Generative AI and Large Language Model (LLM) solutions for enterprise use cases. Integrate AI solutions into existing systems and business processes. Design, develop, and optimize Python-based services and applications.