ruby English-speaking jobs in Düsseldorf

Data Platform Engineer will design, build, and maintain scalable data infrastructure on AWS and Kubernetes. Responsibilities include developing and operating streaming and data platform components, implementing monitoring and tooling, and collaborating with data analysts and scientists.

Business Transformation Manager needed to execute strategic plans and drive operational excellence across Marketing, Supply, Optimization, and Infrastructure. Proven track record of delivering change in complex environments required. Fluent English, German preferred.

Research Assistant (m/f/d) for a 3-year limited-term position at the Professorship for Hydro-mechanics. The position involves numerical simulation of microbial transport in porous media and carbonate mineral precipitation. Requires a completed university degree in a relevant field and proven knowledge of reactive transport in porous media.

Conduct life cycle assessments (LCAs) for battery recycling processes, comparing raw materials and developing toxicity screening approaches. Experience in sustainability, LCA, LCC, and S-LCA is required.

Supply Chain Consultant to support global supply planning, S&OP deployment, and continuous improvement initiatives across manufacturing sites and suppliers.

Supply Chain Quality Engineer for Printed Circuit Assembly (PCA) ensures manufacturing quality and reliability of PCBAs throughout the outsourced supply chain. Audits and develops PCBA suppliers, implements process monitoring strategies, and resolves technical issues.

Senior Software Engineer to ensure fast, secure, and reliable releases for the Global Monitoring Service (GMS) application. Responsibilities include managing container-based application lifecycle, CI/CD pipelines, and deployments on customer-isolated Kubernetes clusters. Requires 10+ years of software engineering experience with a focus on infrastructure or DevOps, experience with Kubernetes, and a track record of optimizing CI/CD pipelines.

HR Generalist will translate HR business plans into operational plans and lead HR planning for the Europe region. Responsibilities include developing and implementing HR programs, managing labor relations, advising management on labor law, ensuring compliance with legislation, and overseeing HR reporting and payroll services.

This is a new Senior Product Manager role focused on acquisition, onboarding, and customer experience for a fast-growing European FinTech. You will define strategy, manage a team of analysts/data scientists, and own end-to-end acquisition initiatives.

Develop and operate trading activities supporting asset management, vault, and risk businesses. Focus on market-neutral and delta-neutral strategies across centralized venues and on-chain infrastructure. Define standards for trading capital deployment, risk management, and integration with underwriting, product design, and engineering.

Drive the continuous improvement of M365 and SharePoint environments, focusing on cloud governance, archiving, storage, and data quality. Design and implement concepts for archiving, retention, data classification, and permission management. Advise internal customers on governance and compliance topics related to SharePoint Online.

Operations Manager to lead and develop warehouse associates and e-bike mechanics. Own and improve operational processes, manage supplier relationships, and design customer-centric solutions.

Lead the full-funnel 360 degree digital strategy across paid media, creative, analytics, organic social, owned media, earned media, influencer, affiliate, CRO, and SEO for EMEA. Drive customer acquisition, retention, and lifetime value. Hire, lead, and mentor a regional Growth Marketing team. Develop and execute growth strategies and KPIs across all channels. Partner with global and EMEA teams to align campaign timelines, priorities, and messaging. Build and maintain robust performance dashboards to track KPIs. Lead full-funnel performance marketing across Meta, Google, YouTube, TikTok, and region-specific platforms. Oversee the development and lead the EMEA social strategy. Manage a seven-figure budget with measurable impact on revenue and profitability.

Experienced PACS Technical Consultant needed for 6-month contract (likely to extend). Install, configure, and optimize PACS solutions, including storage, modality mapping, and life cycle management. Support data migrations, UAT, and go-live activities. Strong DICOM, RIS, HL7, and Windows/Linux experience required.

Senior Full-Stack Engineer to scale core platform and build AI-driven products. Experience with TypeScript/Node.js essential. Build and ship features end-to-end, contribute to architectural decisions, and improve system performance.

Processes invoices, credit, and debit notes, ensuring accuracy and compliance with legal requirements. Supports process standardization and automation initiatives. Contributes to process documentation and analyzes price and quantity variances. Manages expense claims and executes payment runs.

Support and drive the transformation of Nestlé's media communications and global partnerships to accelerate business growth. Collaborate with stakeholders to track progress of activation and success against strategic media guidelines. Identify and assess new potential partners, and support the operationalization of partnerships.

Intern Graphic and Motion Design (Identity, Brand Experience) will contribute to a creative team developing brand design and experience touchpoints. The intern will gain experience working with an international team and applying design concepts across physical and digital platforms.

Leads and scales Xometry's manufacturing partner ecosystem in EMEA, driving partner acquisition, onboarding, and performance management. Responsible for aligning partner supply with global and local demand, optimizing costs, lead times, and quality. Collaborates with Operations, Quality, and Sales teams to ensure partner success and fulfillment of customer orders.

Working student supporting the integration of robotics solutions from Chinese manufacturers into real-world AEC projects. Responsibilities include researching and evaluating robotics manufacturers, establishing contact, and coordinating tests on construction sites. Requires fluency in German, Mandarin Chinese, and English.