ruby English-speaking jobs in Düsseldorf

At Make, we're changing how businesses operate – visually, without code, at scale. We're part of the Celonis group, one of the world's most valuable private software companies. Our platform lets teams build automations and AI agents in one visual landscape – no developers needed, no black boxes.

Intern will develop index models, communicate with team members and stakeholders, and migrate existing models to a new framework.

Ensures availability, stability, security, performance, and scalability of BI/ML platforms. Designs and operates data platforms based on container technologies in cloud and hybrid environments. Automates and optimizes processes using CI/CD pipelines, GitOps, and Infrastructure-as-Code.

Experienced SAP PP Consultant needed for production planning and control. Responsibilities include creating production plans, coordinating material availability, and monitoring production orders in SAP and ADVARIS.

Leads a team of Business Development Representatives (BDRs) for the DACH, CEE, and Nordics regions. Develops and implements go-to-market strategies, optimizes lead routing and data enrichment, and provides predictive insights on market trends.

The U.S. Consulate General in Frankfurt seeks a journeyman level locksmith-metal worker to perform preventive maintenance and repair work on mission buildings and facilities.

As a New Product Introduction (NPI) Engineer, you will coordinate the transfer of new products from concept to mass production. You will ensure compliance with LEAN manufacturing principles and collaborate with manufacturing, engineering, purchasing, and quality. You will also develop and implement new manufacturing procedures and equipment.

000 € per year Requirements: Degree in Computer Science, IT, Engineering, Mathematics or similar with a strong quantitative profile Proficiency in the use of public cloud technologies for designing and implementing deployment architectures for AI systems (detailed Google Cloud experience is necessary) Knowledge of MLOps concepts, data connections and APIs, databases as well as security and acces

The Friedrich Schiller University Jena seeks a Researcher in Inorganic Chemistry to conduct experimental research on the synthesis of low-valent main group compounds. Responsibilities include assisting with teaching, supervising student theses, and presenting research findings.

Amazon seeks a competition lawyer to drive EU and German regulatory matters, advise on competition law across all businesses, and shape the company's long-term strategy.

Field Service Engineer needed for a globally recognized construction equipment manufacturer. Diagnose, repair, and commission machinery at customer sites. Provide technical support to dealers and customers.

Assist with photo and video shoots for social media channels. Create regular feed posts and engaging story content. Shoot recipe reels and interact with followers on Instagram Stories. Collaborate with social media managers to plan content and work with an international team. Evaluate content performance and review key metrics.

The IT Project Manager will plan, coordinate, and monitor IT projects in the IT Operations department. Responsibilities include coordinating subject matter experts, monitoring progress and risks, ensuring transparency through reporting, and supporting strategic IT initiatives.

Keil Business Solutions GmbH seeks a Storage Migration Specialist for a 6-month project. The role requires expertise in large-scale enterprise storage migrations across multi-region, regulated environments, including assessment, planning, and execution. Proficiency in block, object, and file storage technologies, migration tooling, and security/compliance is essential. Fluent English required.

As a Junior Solutions Manager, you will support the sales organization by ensuring technical correctness of workflows and leveraging expertise in hardware, back-end systems, and SaaS to win business. You will qualify customer needs, create technical content for tenders, and deliver product demonstrations.

Services and repairs military weapons and weapon support systems in a secure facility. Performs field level maintenance, diagnostics, and repairs according to technical specifications.

Technical editor responsible for electrical design and installation of control cabinets. Requires completed apprenticeship as an electronics technician or comparable training and experience in switch cabinet construction.

Leads, manages, and decides on all global customs & export control topics, ensuring compliance with regulations and tax laws. Directs legal changes and emerging trends in global trade legislation. Operates import-export activities, tariff classifications, and AEO certification. Implements global customs procedures and coordinates corrective actions. Manages audits, trains, and maintains customs & export control knowledge across the organization.

The Mailroom & Logistics Support Clerk provides operational support to the Common Services Unit (CSU) with a focus on mailroom and logistics operations. Responsibilities include receiving, sorting, and distributing mail, processing shipments, providing logistics support, and assisting with the UN Bonn merchandise shop.

goFLUENT seeks energetic trainers to deliver online German language lessons to business professionals. Responsibilities include conducting live video training sessions, providing written feedback, and offering live chat support. Applicants must have excellent German and English communication skills, a college degree, and experience in corporate or teaching settings.