ruby English-speaking jobs in Düsseldorf

Graduate Assistant to support copyediting, website maintenance, digital repository management, research assistance, and general administrative tasks. Must be enrolled in a German master's program, have native-level English proficiency, and be proficient in Microsoft Office.

Senior Infrastructure Engineer to lead and shape on-prem Linux and Proxmox-based infrastructure. Requires strong Linux administration, virtualization (Proxmox preferred), and datacenter experience. Focus on automation, mentorship, and driving technical direction.

The Site and HR Manager oversees site administration, facilities, employee relations, HR operations, and compliance across all locations. Responsibilities include managing office facilities, utilities, maintenance, and workspace readiness, as well as supporting workforce planning, recruitment, onboarding, and employee offboarding. The role also involves ensuring compliance with EHS, labor regulations, and internal company standards, coordinating workplace safety programs, and managing procurement and logistics.

Leads and manages a network of Buyers across EU sites, coordinating procurement activities and ensuring material availability. Oversees purchase order execution, demand adjustments, and supplier follow-up to mitigate risks. Collaborates with cross-functional teams on new material qualifications, product changes, and supplier onboarding. Ensures compliance with procurement policies and governance frameworks.

Provides project assistance for real estate design tasks and supports the Head of Real Estate. Manages design aspects, including test fits, interior fit-outs, and furnishings for GUS brands worldwide. Creates 2D and 3D visualizations and project materials.

Working student position in Finance, focusing on Controlling in a B2B environment. Support business performance analysis, report development, and process improvements. Coordinate weekly reporting for EMEA Management Team and assist with budget, forecast, and monthly closing processes.

Warehouse Associate needed for various shifts (Early, Late, Night) with guaranteed wage increases after 12 and 24 months. Duties include receiving and putting away inventory, preparing customer orders, loading trucks, operating powered industrial trucks, and adhering to safety standards. Must be 18 years or older and proficient in German and/or English.

Senior DevOps Engineer to design, implement, and improve global infrastructure and DevOps solutions. Responsibilities include supporting development teams, standardizing and securing Ubuntu Pro, and administering Kubernetes and GitLab. Requires a degree in a related field, 5+ years of experience in DevOps, Linux administration, or enterprise infrastructure, and proficiency with virtualization technologies, containerization, and GitLab.

PLM Solution Designer / Module Owner responsible for analyzing business requirements and designing scalable solutions within Siemens Teamcenter. Requires experience with PLM systems, software development, and IT service management.

Senior Sales Manager (gn) responsible for acquiring new B2B customers across the European cosmetics market. Develop and execute regional sales strategies, manage the full sales cycle, and coordinate international customer projects.

Commercial Engineer for Europe office. Responsible for generating new sales, maintaining current customers, and supporting other sales personnel. Requires knowledge of food, cosmetic, or pharmaceutical industries and fluency in Spanish and English.

Configure and enhance Workday's Core HCM module, partnering with stakeholders to translate business needs into system design improvements. Provide support to SumUppers using Workday and build reliable reports and dashboards.

Lead a logistics department of up to 400 people in a highly automated warehouse. Optimize inbound logistics processes, ensuring efficiency, cost-effectiveness, and reliability. Recruit, train, and develop a high-performing logistics team.

Supports the implementation of Lean Design and Lean Construction methods across project phases using PPM, LPS, and Exyte software. Trains project team members on Lean Construction tools and software. Contributes to the continuous improvement of Lean tools and methods.

As Interim Senior Brand Designer, you will own the creative pipeline and evolve the Edurino identity, turning marketing needs into high-standard visual stories. You will lead the conceptualization and visual identity for major campaigns and seasonal events, producing high-quality assets across digital and print touchpoints.

The U.S. Consulate General in Frankfurt seeks a Heating, Ventilation, and Air Conditioning (HVAC) Technician to perform skilled maintenance and repair work at the journeyman level, adhering to International Building Code (IBC) standards.

Assistant Corner Manager supports sales targets, manages employees, and ensures excellent customer service. Responsibilities include staff training, visual merchandising, inventory management, and reporting. Requires 2-3 years of retail experience, preferably in beauty, with initial management experience.

Coordinates and executes quality system activities to ensure compliance with internal policies and regulatory requirements. Manages quality processes, including change control, deviation management, and CAPA management. Collects, analyzes, and reports KPIs and supports audits and inspections. Develops and maintains SOPs related to the Quality Management System.

Design and implement FPGA solutions for test system infrastructure and instruments. Develop and integrate digital modules using VHDL, Verilog, and C/C++. Perform verification at module, device, and system levels. Execute physical design tasks including floorplanning, I/O planning, FPGA builds, and applying timing constraints.

Creates engaging video and motion assets for paid social campaigns using AI-powered tools and traditional design techniques. Produces UGC-style ads, short-form videos, and motion graphics for various formats and placements.