ruby English-speaking jobs in Düsseldorf

Coordinates and administers the Protestant Religious Education program for the Geilenkirchen Protestant Community. Works with the Protestant Chaplain and volunteers to support religious education activities, curriculum planning, and chapel events.

Motion Designer needed for AVATR Global Design Center. Develop and implement motion design concepts, create animations and videos, and collaborate with cross-functional teams. Requires a degree in a related field, 5-7 years of experience, and proficiency in Adobe After Effects, Premiere Pro, and Cinema 4D.

CFO for a private equity-backed international consumer company undergoing transformation. Full ownership of finance, including accounting, controlling, treasury, and performance management. Build and professionalize the finance function in a carve-out environment. Drive value creation and operational performance as a strategic partner to the CEO and investors. Lead and develop an international finance organization. Proven CFO experience in a private equity-backed environment with a strong track record in carve-out, transformation, or build-up situations.

Tieto Tech Consulting seeks an SAP FI/CO Consultant to configure, implement, and optimize financial processes within SAP modules. The role involves gathering requirements, designing processes, providing support, and collaborating with customers. Experience in SAP Finance and Controlling, consulting, and S/4HANA is desired. Fluency in German and English is required.

Commissioning Engineer (f/m/d) will test and verify HVDC and FACTS hardware and software. Responsibilities include preparing test plans, executing Factory Acceptance Tests, and conducting site testing. Requires a degree in electrical engineering, energy technology, or equivalent, proficiency in grid protection systems, and experience in commissioning power stations and substations. Fluent English and German are preferred. Willingness to travel globally is required.

The City of Alzenau seeks a full-time IT Specialist to administer, support, and develop the client/server system landscape. Responsibilities include network administration, server backup and restore, application server maintenance, and providing technical support to employees and municipal facilities.

ParityQC seeks a Quantum Error Correction Engineer to develop pioneering algorithms for fault-tolerant quantum computing. The role involves designing and implementing strategies leveraging error correction codes and noise-biased hardware platforms.

Cloud Software Engineer (m/f/d) to develop and operate cloud-based driving assistance applications for train drivers. Responsibilities include software development in Java and Python, cloud engineering in AWS, and DevOps practices.

Provide technical support for CAD systems, including Autodesk products (AutoCAD, Revit), PTC Creo, and MicroStation. Analyze and resolve user issues, develop solutions, and document them in the knowledge base.

Postdoctoral researcher to lead theoretical analysis of early warning systems and tipping points in socio-ecological systems. Develop analytical and numerical models of decision-making under uncertainty, learning, and strategic interaction. Collaborate with experimental team at the University of Augsburg.

INIKTI seeks a native German speaker to establish and grow its business in Germany. This role involves identifying and securing new business opportunities in the wind energy sector, building strategic partnerships, and acting as a market expert for INIKTI's leadership team.

Lead Electronics Engineer to manage pursuit engineering activities for automotive energy solutions. Design and develop electronic systems and components for low voltage Lithium Ion, Sodium Ion batteries, and super capacitors. Collaborate with automotive customers to understand their requirements and provide tailored electronic solutions.

Senior Product Manager leads debt collections and garnishment systems, defining product vision and roadmap. Manages system enhancements, collaborates with stakeholders, and ensures alignment with global standards. Requires a degree in a relevant field, experience in a regulated environment, and strong stakeholder management skills.

Pre-Match Trader for esports events. Sets odds, manages pre-match pricing, and drives coverage decisions. Requires 3+ years of esports trading experience, strong analytical skills, and knowledge of esports performance drivers.

Doctoral Researcher position in digital platform ecosystems at the University of Passau. Full-time, fixed-term contract for three years. Requires a master's degree in economics, information systems, or a related field. Excellent analytical skills and interest in the economics of digital markets are essential.

Administers SAP HCM modules within SAP R/3, managing payroll, shift schedules, and social insurance data. Coordinates system updates and ensures data integrity and compliance.

Compliance Lead will ensure projects adhere to German building regulations, permitting requirements, and statutory compliance standards. This role involves managing compliance documentation, coordinating with inspectors and consultants, and supporting project teams throughout the construction lifecycle.

Senior Legal Counsel to provide commercial legal advice and draft/negotiate contracts for a dynamic international business.

Primary School Teacher (m/w/x) needed for SIS Berlin starting August 1, 2026. Plan and deliver English lessons, mentor students, provide feedback, and communicate with parents. Must have a pedagogical qualification, teaching experience, native fluency in one school language (German/English), and good knowledge of the other.

WhyBrilliant is seeking a Founding Engineer to build a voice-first hiring platform. You will design and implement a matching engine that extracts signal from voice conversations, reimagines roles as outcome-based profiles, and ensures transparent, explainable matching. This is a hands-on role requiring strong TypeScript and Python skills, experience with LLMs and ML, and a security-first mindset.