ruby English-speaking jobs in Düsseldorf

Assists in routine chemical laboratory operations, conducting tests on consumer products and ensuring quality standards are met. Requires a Bachelor's degree in chemistry or related field, 1-2 years of experience, and proficiency in analytical instruments and quality management principles.

Customer Service Clerk (Freight forwarder) handles daily operations including quotations, invoicing, shipment coordination, and communication with internal and external teams.

Technical Services Engineer provides on-site installation, commissioning, and technical support for ESS products. Conducts customer training, analyzes service data, and collaborates with headquarters to improve products and services. Requires a Bachelor's degree in a technical field, 2-4 years of relevant experience, and fluency in English.

Computational Scientist to analyze translational and clinical biomarker datasets. PhD in Life Sciences, Biology, or related field required. Strong R and Python skills essential.

A private equity-backed European industrial technology group seeks a Chief Operating Officer to drive operational excellence, lead M&A integration, and build a scalable operating model.

As an AI Project Manager at Nuclicore, you build software with customers on our platform, managing communication and orchestrating agent teams. You own project outcomes, review agent output, and provide product feedback to the founders.

SAP EWM consultant or developer with minimum three years experience in logistics solutions implementation, preferably in discrete manufacturing. Fluent German and English required.

Technical Project Manager supports projects from planning to execution, creating technical drawings, coordinating power and data systems, and ensuring safety regulations compliance.

Lead and develop engineering teams building software for modern energy infrastructure. Manage people, technical work, and product thinking to ensure robust, maintainable systems. Collaborate with senior leadership, engineers, and stakeholders to evolve architecture, delivery practices, and engineering culture.

Lead teams and work on transaction tax engagements in Germany, Europe, and globally. Provide tax advice on buy-side and sell-side transactions, including due diligence reports and structuring.

Enterprise Partnerships Business Development Manager will focus on securing inventory through strategic partnerships with leasing providers, OEMs, and retail groups in the DACH region. Responsibilities include managing existing partnerships, developing new relationships, leading negotiations, and using data to drive inventory growth. Requires 5+ years of experience in business development, enterprise sales, or strategic buying with fluency in English and German.

Experienced O&M Contracting Engineer needed for a major offshore wind project. Develop, procure, and manage contracts for the Operations & Maintenance phase, ensuring service agreements and frameworks are ready for execution.

Lead full-stack engineering for scalable, cloud-native AI systems. Design architecture, develop solutions on AWS, Azure, or GCP, and apply AI/LLM technologies.

The Chief Financial Officer will partner with the CEO and Management Team to drive growth and business performance. Responsibilities include business planning, performance management, due diligence, budgeting, financial reporting, and providing commercial analysis.

SQL Server Consultant needed for post-go-live stabilization and optimization of a large-scale Microsoft Dynamics 365 F&O environment. Focus on functional consulting, process integration, and master data management. Requires 9+ years experience with D365 F&O and strong expertise in either Finance or Supply Chain/Logistics.

Revolut seeks an Escalations Officer to ensure compliant suspicious activity reporting across Europe. The role involves assessing and deciding on escalated reports, responding to regulatory inquiries, and collaborating on training initiatives. Experience as a compliance/FinCrime officer, deep knowledge of AML and sanctions regulations, and fluency in English and German are required.

Sales Engineer specializing in High-Performance Computing (HPC) and Quantum Technologies. Leads proposals with account managers, leveraging consultative selling and strategic account management. Requires 3+ years of HPC sales experience and proficiency in German and English.

Mechanical Design Engineer to develop precision mechatronic and opto-mechatronic subsystems for high-end manufacturing equipment. Requires a Master's degree in Mechanical Engineering, Precision Engineering, or related field and 3+ years' experience in precision engineering.

Senior Technical Consultant with 3+ years of experience configuring and implementing ServiceNow or comparable CRM platforms (e.g. Salesforce). Experience in CSM, FSM, or SOM required. Solid technical skills including XML, HTML, JavaScript, Web Services, and CSS. Ability to translate requirements into technical solutions. Excellent English and German communication skills. Willingness to travel.

Lead the European delivery function for data center projects, starting in Frankfurt. Own project delivery and commercial performance across the region, building and structuring teams. Manage large-scale MEP packages while supporting pre-construction, bid strategy, and client engagement.