ruby English-speaking jobs in Düsseldorf

The Heidelberg Institute for Theoretical Studies seeks a highly motivated PhD student to investigate the physical processes in red-giant stars, focusing on magnetic fields. The position involves analyzing observational data and synthetic stellar models.

Program Manager Education will plan and execute educational programs, manage participant communication, and support budget administration.

Senior Medical Writer needed for a pan-European consultancy. Support the successful launch and reimbursement of breakthrough therapies and technologies.

Drive inorganic growth as Head of M&A for a platform with a Buy & Build strategy. Lead the acquisition pipeline from target identification to post-merger integration. Develop and execute the acquisition strategy in close alignment with the shareholder group.

Define and implement the global real estate strategy for a leading agricultural solutions company. Lead portfolio planning, optimization, and transactions while managing the real estate budget and reporting. Oversee global transactions (leases, acquisitions, disposals) and capital projects.

The Cable Engineering and Fabrication Engineer designs, coordinates, and oversees the manufacturing of inter-array and export cables for offshore wind projects.

As Change Manager, you will define and execute change activities for the SHAPE+ program, a DHL Group-wide Finance transformation program. You will ensure smooth system/release implementation and user adoption, collaborating with divisional teams and supporting end-user adoption of new processes and tools.

Manages all project phases, ensuring alignment with team framework and stage-gate approvals. Oversees EPC contractors, tracks performance, and resolves contract issues. Supports design, construction, and commissioning processes, coordinating with stakeholders and delivering progress reports.

Provide technical and commercial support for LCD and PCAP touch devices. Manage product development, introduction, and design-in. Develop relationships with customer engineering teams. Contribute to technical documentation and market analysis.

VP / Senior VP to drive sales and client relationships for cash and clearing management solutions within Global Banking Corporate clients. Requires extensive cash management experience, sales success, and relationship management skills.

This internship focuses on modeling the physical dynamics of Micro-Electro-Mechanical Systems (MEMS). You will construct a causal model for a production subprocess, deriving system equations from physical principles and representing them in a graph structure. The role requires a deep understanding of MEMS, their manufacturing, and mathematical description.

GNC Engineers needed for defense aerospace projects in Munich. Senior roles focused on guidance, navigation, and control systems architecture for fixed-wing and drone platforms. Own GNC domain end-to-end, from architecture to flight test.

Market Development Engineer FPGA will grow market share, analyze trends, and guide customers on FPGA technology selection. Requires an electronics background, technical excellence, and fluency in English and German.

Coordinates shipment of biological samples, laboratory materials, and related goods throughout Europe and internationally. Ensures compliance with customs, import/export, and trade regulations by supporting shipment documentation and related processes.

External Identities Customer Engineer provides advisory, architecture, and support to customers. Requires expertise in Microsoft Entra ID External Identities, including B2C, B2B, and Cross-Tenant Access. Experience with hybrid infrastructures, cloud environments, and customer-facing roles is necessary.

Experienced Logistics Manager needed to lead site-wide logistics operations in a global manufacturing environment. Responsibilities include planning, managing, and optimizing transportation, warehousing, and inventory management processes.

Experienced HCM German Payroll Implementation Consultant needed for a large-scale payroll transformation program. Must have deep knowledge of German payroll legislation, SAP HCM Payroll, and enterprise payroll implementations. Responsibilities include configuring and customizing SAP HCM Payroll for Germany, designing and modifying payroll schemas and rules, and ensuring compliance with German payroll legislation.

Mechanical Engineer with experience in B2B shavers/trimmers R&D, CAD, DfM, and validation. Expertise in Creo and Windchill required.

Working student will bridge the gap between remote controlled hardware and autonomous robots. Responsibilities include establishing training pipelines, fine-tuning VLA models, and applying Reinforcement Learning to robot manipulation tasks. Requires a Master's or PhD in a related field, experience with machine learning, robotics, and data engineering, and proficiency in Python and deep learning frameworks.

Senior Optic Designer will contribute to innovations in Extended Reality (XRX) at Carl Zeiss.