ruby English-speaking jobs in Düsseldorf

As a Martech Specialist Mobile Apps, you will troubleshoot Mobile Measurement Partners (MMPs) and ensure seamless connections with advertising networks for accurate tracking and attribution. You will manage client data feeds, create data visualizations, and collaborate with developers to implement marketing tools and integrations.

The Strothoff International School is a bilingual, international school. In our pedagogical concept, we follow both the Hessian education plan and the international IB curriculum. On our family-friendly and modern campus in Dreieich (near Frankfurt), we offer around 400 children

The Custody Tax Product Manager is responsible for defining and executing a product roadmap for tax services delivered to cross-border institutional investors. This includes defining tax reclaim, reduction at source, and CGT services, managing cost of production, defining a global technology strategy, tracking regulatory changes, and implementing a risk and control framework. The role requires a strong understanding of tax law, global market tax practices, and cross-border institutional clients.

Contamination Control Engineer ensures molecular and particulate cleanliness for components used in electron microscopes. Develops, optimizes, and qualifies cleaning processes for sensitive surfaces. Implements and maintains contamination-control standards and procedures. Conducts surface analysis and root-cause analyses.

Loads and unloads UPS packages, utilizing machinery as needed. Performs package handling, shipping, receiving, scanning, sorting, and stocking. Must be able to lift up to 70 lbs.

This role supports the PBV Product Team in defining Kia’s mid- to short-term PBV product strategy for Europe. The Assistant Manager will translate market intelligence into actionable product direction, defining core vehicle characteristics and features based on EU market trends, HMG and Kia technology strategies, and a 3–5 year planning horizon.

Provide customer service and order processing support for dealers and customers worldwide. Manage order fulfillment from quotation to invoicing and handle national and international shipments.

Senior SAP Finance Process & Integration Manager will define and optimize end-to-end financial processes within SAP. Lead integration between SAP S/4HANA Finance and peripheral systems. Act as liaison between Finance, Group Accounting, Treasury, and IT. Responsible for user acceptance testing, training, and rollout of new functionalities. Ensure compliance with internal controls, local statutory requirements, and IFRS/GAAP standards.

Leads a team responsible for issuing invoices, managing collections, and settling commissions for Business Partners. Requires an MBA in Accounting & Finance, 10+ years of experience, and proficiency in English and German.

Software Project Manager will lead software development for new energy storage technology. Responsibilities include planning software releases, ensuring team effectiveness, and tracking release metrics.

Master Data Analyst Master Data Analyst, this is your challenge Are you looking for a unique job as a Master Data Analyst with an extra challenge? With us, you will have the opportunity to work daily with item data, customer data, and pricing data, with an additional focus on packaging data. And the best part? Nestlé is GS1 certified, which means you can work with leading standards and processes.

Business Development Representative needed to drive expansion into the German market. Responsibilities include cold calling entrepreneurs, identifying market opportunities, and collaborating with senior business leaders. Requires fluency in German (C2 level), experience working with entrepreneurs, and strong communication skills.

Amazon is seeking ambitious interns to support safety processes and operations in fulfillment centers. Interns will assist with risk assessments, accident investigations, and the development of safety procedures and training programs.

Provide object protection at embassies and diplomatic residences. Duties include guarding, patrolling, access control, visitor registration, and monitoring security systems.

PubMatic seeks a Sales Director for its Advertiser Solutions team in Hamburg. This role focuses on driving new client acquisition, building relationships with agencies, brands, and DSPs, and representing PubMatic at industry events.

Senior Construction Project Manager to lead complex projects across offices, laboratories, and clean room environments. Full project ownership from planning through execution and handover, ensuring on-time, on-budget delivery and regulatory compliance. Strong leadership, stakeholder management, and data-driven decision-making skills required.

Develop cutting-edge Quality Agents leveraging Workflow and Agentic solutions (e.g., Microsoft Copilot Studio, Google Gemini, n8n, Power Automate) for steering and braking systems.

Experienced IC Design Engineer needed for CMOS analog/mixed-signal design and NVM device development. Focus on hafnium oxide based ferroelectric memory products. Requires Cadence, Verilog, C, and strong analog/mixed-signal design experience.

Provide end-to-end cyber security support for projects. Lead the definition of security requirements and concepts, design secure architectures, and conduct risk assessments. Act as a security officer for aerospace projects and coordinate with stakeholders to ensure on-time and on-budget delivery.

Manages and evolves the Enterprise Architecture (EA) repository, ensuring data quality and consistency. Operates and improves EA tools, maps applications to products and value streams, and provides architecture data for governance and decision-making. Requires a degree in a technical field or relevant experience, with knowledge of EA, IT landscapes, and management tools. Fluency in German and English is required.