ruby English-speaking jobs in Düsseldorf

Associate Investment Advisor role supporting the full private equity investment lifecycle. Requires 3+ years in PE or related fields, strong financial modeling, and fluency in German and English.

Customer Project Manager for Track & Trace projects. Responsible for technical execution, progress monitoring, and risk management. Duties include preparing quotations, developing pricing, and coordinating project handover. Requires an engineering degree or comparable qualification and project execution experience.

Product Design Engineer to own the customer experience for Agent F, an autonomous finance function. This role combines product design with front-end engineering, focusing on onboarding, migration, and creating trustworthy, usable interfaces.

Develop medical and healthcare business across Bavaria for a global medical device brand. This consultative field sales role involves prospecting, product demonstrations, and managing the full sales cycle with hospitals and clinics. Requires 2+ years of B2B field sales experience.

Support EMEA indirect procurement strategy by managing requisitions, sourcing, and supplier relationships. Partner with stakeholders to drive cost-effective purchasing and process improvement. Requires relevant procurement experience and fluency in English and German.

Design and own customer-facing distributed systems using Go, AWS, and Kafka. Build event-driven systems, solve scalability challenges, and use AI-assisted tooling in an agile, international team.

Senior Consultant in Operations Life Sciences responsible for end-to-end project delivery. Design and implement Operations and Supply Chain strategies, driving transformation programs like Smart Factory and Lean initiatives.

Working Student to support wafer process development and design. Tasks include sample preparation, analyzing results, and supporting the semiconductor fab. Requires enrollment in Physics, Electrical Engineering, or Materials Science, and fluency in German and English.

Generative AI Developer role within an HPC team. Responsibilities include designing AI solutions, supporting AI service development, and integrating novel AI into platforms. Requires a Master's in CS, strong Python/Linux skills, and generative AI basics.

Construction Project Engineer/Technical Advisor for onshore wind farms in Eastern Germany. Responsibilities include monitoring construction, technical advisory for international projects, and supporting German business development. Requires engineering degree and 3+ years of relevant experience.

Shape the edding brand across international markets by translating strategy and consumer insights into compelling marketing initiatives. Develop campaigns, creative concepts, and manage agency partnerships. Requires experience in Brand Management and fluency in German and English.

Own SPREAD's positioning and messaging for enterprise engineering leaders. Translate technical products into winning narratives, build competitive intelligence, and create sales enablement assets. Requires 5+ years in B2B product marketing for complex software.

Product Engineer ensures technical feasibility in product development, managing designs, prototypes, and technical solutions. Requires a Bachelor's in mechanical engineering and fluent English.

Account Executive, Expansion, Mid-Market drives sales growth by understanding client needs and negotiating contracts. Requires 3-5 years in mid-market sales, proficiency in German and English, and experience expanding business in the DACH region.

Design and deploy algorithms for a global delivery network, bridging mathematical optimization and applied data science. Expertise in MIP, VRP, metaheuristics, and statistical modeling using Python. Own the full engineering lifecycle.

Junior Backend Engineer to design, develop, test, and operate core APIs for Zalando Payments. Build scalable solutions within a microservices architecture on AWS, adhering to high fintech standards.

Support acoustic engineering for loudspeaker systems and headphones. Tasks include assembling prototypes, flashing firmware, facilitating listening tests, and performing performance tests. Requires enrollment in a technical field.

Data Center Engineering Operations Engineer responsible for best practice systems and problem resolution on electrical and mechanical infrastructure like UPS, generators, and cooling systems. This hands-on role ensures 100% up-time through preventive maintenance and facility monitoring.

Develop and optimize medium-voltage cable accessories up to 42 kV. This role involves design, testing, and leading PLM projects with external partners. Requires an Electrical Engineering degree and knowledge of plastic injection molding.

Experienced German-speaking Inside Sales Executive needed for a remote, full-time contractor role. Requires proven B2B inside sales experience, ideally in SaaS, HR tech, education, or healthcare, with skills in outbound sales and prospecting.