ruby English-speaking jobs in Düsseldorf

Service Technician provides on-site support for the operation and maintenance of industrial fluid systems at a customer's manufacturing facility in Offenbach am Main, Germany. Responsibilities include ensuring optimal fluid condition, communicating with internal and external stakeholders, and maintaining accurate data. Requires technical training or equivalent experience, fluency in German and English, and strong customer focus.

BMS Engineer will support product pre-sales, conduct system requirement analysis, and coordinate architecture design. Responsible for product system integration testing, debugging, and quality follow-up. Requires a full-time subject learning experience with work experience preferred. Familiarity with CANoe, CAN bus analysis, BMS control strategy, and battery pack electrical and electronic systems is desired. Fluent in English and Chinese, German preferred.

Process Engineer (m/f/d) needed for a pharmaceutical company in Singen. Responsibilities include planning, optimizing, and supporting media production systems, monitoring process data, and coordinating maintenance. Requires a degree in process engineering, pharmaceutical technology, or a related field and several years of experience in pure media technology.

Account Executive manages transactions on a B2B marketplace, collaborating with buyers and suppliers to ensure smooth trade. Analyzes market trends and trade data, builds client relationships, and contributes to platform improvements.

Senior Legal In-house Counsel will provide legal advice to management and business teams on energy contracting, heat supply, and energy services. Responsibilities include drafting, reviewing, and negotiating contracts, supporting project development and operations, and managing disputes.

As a Sales Account Manager, you will achieve sales targets, develop business plans, and manage your territory in East Germany. You will build relationships with key stakeholders in the IVF industry, conduct customer visits, and analyze market trends.

Working Student in HR supporting local HR administration, employee lifecycle processes, and Global Mobility tasks. Provides administrative and project-based support to the HR and Global Mobility teams.

This MSCA Doctoral Network position focuses on characterizing solid-liquid and solid-solid electrochemical interfaces in operando at the nanoscale. The successful candidate will design and test microbattery setups and perform operando characterizations using probe corrected scanning transmission electron microscopy (STEM) and related spectroscopy techniques.

Site Director to lead operational transformation of a €63 million electronics and mechatronics manufacturing site in Germany. Full P&L responsibility for 270-employee operation. Requires 10+ years of senior site leadership experience, Lean Manufacturing expertise, and proven track record of driving operational and cultural change.

Launch and grow the Stranger Soccer brand in Frankfurt. Recruit, train, and manage a local team, secure venues, and drive marketing and customer growth.

Sales Support Specialist will manage customer inquiries, coordinate orders, and provide technical support for the global maritime industry. Responsibilities include order processing, supplier communication, service coordination, and administrative tasks.

Support the Benelux sales team by preparing customer offers, product lists, and sales materials. Maintain customer, product, and order data, track orders, and coordinate with logistics and finance. Assist with product launches, retail activations, and brand collaborations.

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.

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.

Data Product Manager will translate business needs into data solutions, own product roadmaps, and define data product semantics. Requires SQL and Python proficiency, experience translating business needs into solutions, and excellent communication skills.

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.

Technical Training Specialist to deliver product training, support sales, and build education partnerships in Germany. Requires HVAC/R experience, technical training delivery, and fluency in German and English.

Analyze and develop an automated solution for thermal runs on drive machinery. Requires a student currently studying mechatronics, electrical engineering, or a similar field with experience in measurement technology, CAN bus systems, NI LabVIEW, control engineering, and drive technology.

Define, manage, and maintain spacecraft avionics and electrical system requirements. Coordinate interfaces between spacecraft equipment, electronics, software, and control systems. Support avionics architecture development and perform trade studies for equipment selection.

Leads distributed electrical and mechanical Product Engineering teams within the SoC Test Supply Chain Organization. Ensures scalable, standardized, and cost-effective Product Engineering execution across an outsourced supply chain. Drives quality, cost, delivery, and new product introduction objectives.