ruby English-speaking jobs in Düsseldorf

Experienced Site Manager to lead Chemistry and Biology laboratory departments, driving operational excellence, quality compliance, and strategic growth within a Global Leading CDMO.

Lead editorial strategy and execution for a major global entertainment account across multiple European markets. Translate brand needs and platform opportunities into best-in-class social content. Oversee content calendars, publishing systems, and ensure creative and tone of voice consistency. Manage client stakeholders and present work, updates, and strategic thinking.

Head of People & Culture to design and execute people strategy for a growing European SaaS company. Partner with leadership on workforce planning, organizational design, and talent acquisition. Lead a small international team and build scalable HR infrastructure.

Internal Communication Specialist to develop and manage intranet and app, design engaging content, plan events, and support global website evolution. Requires communications degree, 4+ years experience, fluency in German and English, project management skills, and digital expertise.

Laboratory Technician needed for molecular analysis of tumor tissue. Requires proficiency in basic lab procedures, data collection, and equipment operation. Must have at least 5 years of relevant experience and strong attention to detail. Excellent communication skills in German and English are essential.

The Principal Engineer, Product Target Costing shapes and drives HARMAN's Target Costing methodology for automotive electronic systems programs. This role translates customer target prices into system, module, and component-level target costs, identifies cost gaps, and supports cost closure actions.

Provides daily legal support to EMEA companies, reviewing and drafting commercial contracts, legal documents, and assisting with business projects.

Technical Sales Specialist will provide in-depth technical consultations on NGS applications, assay design, and data interpretation. The role involves training customers and colleagues on NGS applications and library preparation workflows. The candidate will collaborate with cross-functional teams, including sales, service & support, and marketing.

Senior Full-Stack Software Developer will develop and maintain applications using Symfony, React, and REST APIs. Responsibilities include integrating AI functionality, optimizing system performance, and ensuring code quality. Requires a degree in computer science or a related field, several years of software development experience, and strong German language skills.

Global Project Manager will lead and manage Human Capital transformation projects, ensuring successful planning, execution, integration, and testing of HC applications.

Responsible for material planning, scheduling, warehousing, and logistics. Ensures timely material availability for production and customers. Manages goods flows, optimizes inventory levels, and develops logistics processes. Requires a relevant degree and several years of experience in materials management, logistics, or supply chain. Strong analytical, leadership, and communication skills are essential.

Lead end-to-end HR operations for Germany and Europe, including onboarding, payroll, compliance, and employee relations. Design and execute talent acquisition strategies for technical roles in Europe. Ensure compliance with German labor law and GDPR. Drive cross-cultural integration between China HQ and European team.

Lead end-to-end vehicle operations in Germany, from order readiness to handover. Manage local KPIs, performance targets, and operational improvement plans. Analyze, develop, and improve processes across logistics, vehicle registration, fleet management, and delivery.

Senior Project Lead to oversee complex energy and infrastructure projects from development to completion. Requires 10+ years experience in engineering-led environments, managing investment projects, and technical packages. Must be comfortable with commercial aspects, multi-disciplinary teams, and international project setups.

As a Working Student - Product Management, you will support the optimization of search and recommendation functionalities on the HeyJobs Talent Platform. You will collaborate with product managers, data scientists, and engineers to improve data quality and enhance AI-driven features.

Develop, set up, and operate trapped-ion quantum computers. Collaborate with a team of physicists and engineers to define, refine, and monitor optical systems. Analyze and align optical and laser systems with future quantum computer needs.

Provide on-site diagnostics and repairs for Cowboy e-bikes in Leipzig. Travel to customer locations, use diagnostic tools, and deliver a positive repair experience. Must be comfortable working independently and have strong communication skills.

Customer Success Manager for a leading SaaS company supporting clients in the DACH region. Responsibilities include client retention, revenue growth through upselling, and ensuring successful project delivery. Requires bilingual German/English, SaaS experience, and strong communication and technical skills.

The IT Specialist for Data Center Automation will design, configure, and automate data center services using Aria Suite and Ansible. Responsibilities include developing and maintaining roles in the OS context, documenting results, and providing 2nd & 3rd-level support. The role requires experience in software development, ITIL-based working methods, and proficiency in scripting languages such as Python, PowerShell, or Bash.

Senior Finance Control Analyst responsible for month-end, quarter-end, and year-end closing activities, financial reporting, and analysis. Oversees accounting, controlling, and financial processes ensuring compliance with IFRS and HGB. Collaborates with stakeholders on operational activities, strategic initiatives, and cross-functional finance projects.