ruby English-speaking jobs in Düsseldorf

Lead end-to-end supply chain transformation projects, collaborating with engineering, supply chain, and cross-functional teams. Manage project timelines, budgets, resources, and ensure adherence to scope and objectives.

Provides engineering support for solar projects, including supervision, onsite support, and troubleshooting. Collaborates with engineering partners and customers on technical issues. Requires 3+ years of experience in the solar energy industry, with a focus on Utility and C&I solutions. Excellent communication, leadership, and problem-solving skills are essential. Fluency in German and English is required.

Technical Project Lead to manage collaborative research programs, subsidy-funded innovation projects, and strategic partnerships focused on 6G, Non-Terrestrial Networks (NTN), and satellite communications.

Assists the Design team in creating market-ready products for the adidas brand. Develops creative solutions for individual products and executes designs according to brand guidelines. Requires knowledge of fashion design, 3D design tools, and proficiency in Adobe Creative Suite.

Own end-to-end Talent Acquisition for a rapidly growing green tech startup specializing in algorithmic energy trading. Scale existing processes, develop sourcing and channel strategies, and partner with hiring managers to build a high-performing team. Proven recruiting track record in tech-driven environments and experience with structured interviews and assessment tools are required.

About Harvard Bioscience Harvard Bioscience is a leading developer, manufacturer and seller of technologies, products and services that enable fundamental research, discovery, and pre-clinical testing for drug development. Our customers range from renowned academic institutions and government laboratories to the world's leading pharmaceutical, biotechnology and contract research organizations.

The Quantum Error Correction Researcher will design, analyze, and evaluate quantum error correcting codes for scalable quantum computing systems. Responsibilities include developing decoding algorithms, benchmarking performance, and simulating error correction protocols. The role requires a PhD in a relevant field and expertise in quantum information science and error correction.

Responsible for shipping various material classes and preparing transportation documentation. Determines hazardous cargo classifications and provides handling instructions. Ensures compliance with laws and regulations. Maintains hazardous cargo files and coordinates with transportation authorities.

Lead the planning, coordination, and technical management of complex digital projects focused on e-commerce, digital platforms, integrations, and interface management. Translate client requirements into technical concepts, working with architects and developers to ensure scalable, performant, and secure solutions. Manage Scrum teams, define backlogs and priorities, and maintain transparent communication with clients and stakeholders.

STEM PhD expert needed for remote hourly contract. Develop domain-specific problems and create reference solutions for AI research and evaluation projects involving large language models.

Amazon is hiring for Lagerist positions in Dummerstorf and Rostock. Open Recruitment Days are scheduled for November 5th and October 23rd, 29th, and 30th.

The Head of Risk Management leads the evolution of the risk management framework, ensuring resilience and profitability in a dynamic energy market. This role builds and leads a team of 13 professionals, shaping risk management as a key driver of business success. The Head of Risk Management ensures robust assessment and monitoring of market, credit, liquidity, and operational risks across all commodities, products, and portfolios.

The Lead Customer Service Coordinator oversees the coaching and development of customer service coordinators to optimize service scheduling and maximize customer satisfaction. This role balances customer requirements, technician availability, and operational constraints to ensure efficient service delivery and drive service adoption.

Lead the setup and execution of engineering functions for a new GMP manufacturing site in Germany. Responsibilities include building the engineering team, facility readiness, equipment engineering, automation, and utilities management. Requires a doctorate + 6 years, master's + 10 years, or bachelor's + 12 years in engineering or a technical discipline.

Proactively research and identify new customers, developing personalized sales strategies for outbound lead generation. Convince potential customers of software benefits and hand them over to Account Executives.

Experienced cleaners needed for part-time end-of-tenancy cleaning assignments. Responsibilities include deep cleaning kitchens and bathrooms, sanitizing windows and doors, and preparing properties to a high standard. Must have own cleaning equipment, reliable transport, and previous experience in end-of-tenancy cleaning.

Energy Storage Project Engineer will design battery storage solutions, support project development, and develop technical expertise. Requires an engineering degree, 5+ years of renewable energy experience, and expertise in electrical and energy engineering. Must be proficient in Microsoft Office and electrical/energy design tools. Fluent in German and English.

Postdoctoral researcher to develop a physics-based framework for assessing the long-term habitability of rocky exoplanets. Will advance atmospheric codes and conduct detectability analyses. Requires a completed PhD in a relevant field.

The Senior Coordinator – Revenue Operations / Billing will coordinate and perform billing activities, provide support to billing attorneys and clients, and ensure adherence to client guidelines and firm policies.

Provides premium customer engagement and complaint resolution across all contact channels for the DENZA brand. Manages and resolves sales and after-sales cases, ensuring customer communications align with brand identity. Analyzes customer feedback, identifies satisfaction drivers, and implements improvement actions. Collaborates cross-functionally to achieve root-cause resolutions and enhance service delivery.