ruby English-speaking jobs in Düsseldorf

Portfolio Manager (f/m/x) will onboard new energy assets, solve operational challenges, and ensure smooth operation in a dynamic market.

For our primary school in Frankfurt, Germany we are looking for a motivated and qualified Teaching Assistant (in full-time or part-time), starting at the next possible date.

Develop utility-scale PV and BESS projects from site identification to construction readiness. Secure land, manage permitting, and coordinate zoning and approval processes.

Primary Teacher needed for a selective private all-day school in Munich. Plan and deliver lessons, support students and parents, and participate in school events. Must have a primary school teaching qualification, English as a mother tongue, and German language skills at least at A2 level.

Maintains and enhances the quality management system and process landscape, ensuring BSI C5 compliance and ISO 9001 requirements. Defines, adapts, and monitors processes in software development and related services. Plans, executes, and documents internal audits and supports external audits. Ensures process and quality documentation is accurate, complete, and audit-ready. Collaborates with stakeholders to drive a culture of quality and continuous improvement.

Spencer West, a leading international law firm, seeks a Partner with 8+ years of post-qualification experience to run and grow their own practice within a supportive international environment.

Production Test Pilot will conduct production and certification test flights, customer handover flights, and ferry flights. Requires EASA ATPL(H) or CPL(H), IFR, Flight Test Rating Category 1 or 2, Class 1 Medical, 1500 total flight hours, 1000 PIC hours, 1000 turbine helicopter hours, and a minimum of one type rating (H135/145, Tiger, NH90, CH53). Must be fluent in English and German.

As a Business Analyst, you will translate business needs into clear requirements for development teams, ensuring our payroll solutions meet regulatory requirements and customer needs. You will work closely with Product Owners and development teams to create user stories and support the development of Paychex Europe Payroll, a cloud-native payroll solution for German companies.

PhD candidate in physics to design and realize a STED microscope for materials science applications. Will develop acquisition protocols, analyze data, and collaborate with project partners.

The Corporate Governance Administrator provides administrative, organizational, and coordination support to the Corporate Governance team. Responsibilities include managing meeting calendars and logistics, coordinating onboarding, maintaining registers, and supporting special projects.

The German Cancer Research Center (DKFZ) seeks a Cloud Administrator & Information Security Officer to manage the de.NBI cloud infrastructure and drive continuous improvement of the Information Security Management System (ISMS) in accordance with ISO 27001. Responsibilities include system administration, user management, security policy development, and risk assessments.

Support research and development of next-generation atomic gyroscopes. Design, set up, and automate experiments. Develop system models, optimize performance, and contribute to hardware development. PhD or equivalent experience in Physics, Electrical Engineering, or a related field required.

Leads and manages SAP S/4HANA rollout projects across ten EU countries. Responsible for the entire project lifecycle, from planning and execution to monitoring and closure. Requires 15+ years of project management experience, preferably in SAP implementations.

Lead Data Engineer designs, builds, and evolves scalable data platforms and architectures. Guides project teams, translates business needs into data solutions, and optimizes data workflows. Requires 7+ years of experience in data solutions, platforms, and interfaces, strong data modeling expertise, and experience with cloud-based data platforms.

Leads channel partner relationships, executes channel strategies, and drives partner initiatives for a global renewable energy technology leader.

The GSI Helmholtz Centre for Heavy Ion Research seeks a Head of Third-Party Funding Staff Unit to develop and implement an organization-wide funding strategy. The successful candidate will identify funding programs, advise researchers on grant proposals, and manage complex collaborative projects.

Experienced Production Scheduler needed for a global food manufacturing business in Hamburg. You will build and manage weekly production schedules, translate targets into executable plans, and coordinate with teams and suppliers. Requires 4-6 years of hands-on factory scheduling experience, SAP R/3 proficiency, and fluency in German and English.

Lead Integration Architect will develop and implement a company-wide integration strategy for the Liebherr Group. Responsibilities include analyzing existing integration solutions, leading a strategic integration project, and establishing a governance framework for interface standards.

As an EMH Specialist Systems Engineer, you will define and implement EMH requirements for aircraft systems, analyze system architectures for EMH protection, and manage certification activities. You will collaborate with Airbus Engineering departments to ensure the design of safe and robust systems.

Senior UI Framework Engineer to build frameworks for Apple Vision Pro, a revolutionary spatial computer. Develop intuitive and privacy-compliant interactions on Apple's spatial computing platform using Swift, Objective-C, and C++. Collaborate with designers and software teams to solve challenging problems.