ruby English-speaking jobs in Düsseldorf

Payroll Specialist manages monthly payroll for 250 employees across two locations, ensuring accuracy and compliance with German labor laws.

Solution Architect for clinical software solutions combines technical expertise with understanding of clinical and administrative processes. Develops customer-specific solution concepts, analyzes requirements, and collaborates with engineering, product, and project management. Requires a computer science degree, strong understanding of APIs, interfaces, and system architecture, and knowledge of IT and infrastructure concepts. German fluency is required.

Experienced Senior Go Engineer needed for a growing digital start-up/scale-up. You will own core product development, collaborating with UX, engineering, and mobile teams. This role is mostly remote with occasional office visits. Requires B1+ German and fluent English.

The GFZ is seeking a senior scientist to lead its Secondary Ion Mass Spectrometry (SIMS) user facility. Responsibilities include managing laboratory operations, advising scientists on SIMS applications, developing research strategies, and reporting on laboratory utilization. The successful candidate will have a PhD in the natural sciences, at least 5 years of experience with SIMS instruments, and expertise in mineralogy, crystallography, and sample preparation.

The German Federal Pension Insurance seeks IT Security Consultants to support and advise on the operational implementation of IT security requirements. Responsibilities include contributing to the creation and development of IT security concepts, managing technical support for acceptance testing, advising business units and IT operations, and identifying vulnerabilities.

Implementation/Client Onboarding Specialist to manage end-to-end implementation projects for veterinary customers in Germany, Austria, and Switzerland. Deliver remote and onsite training, configure software, and build relationships with stakeholders. Fluency in German and English required.

Full Stack Engineer to independently implement features end-to-end for a live financial consulting platform. Requires 4+ years of experience with Node.js, TypeScript, PostgreSQL, and Next.js or NestJS.

Senior Technical Product Manager needed for a growing consultancy. Must have several years of Product Management experience, a technical/development background, and exposure to Infrastructure products.

Account Executive to manage high-value Swiss/DACH accounts and drive new business opportunities. This role transitions from account management to dedicated sales in November 2026. Requires native German, fluency in English, and experience in B2B SaaS sales, ideally within the hospitality, leisure, or attractions industry.

This role provides executive and office management support to the Frankfurt office of RBC Capital Markets. Responsibilities include managing communications, travel, expenses, and office infrastructure. The successful candidate will also support senior management with client communications and events. Fluency in German and English is required.

The Head of Application Solutions will lead the EW Application Solutions department, translating business requirements into digital solutions and managing development teams. Responsibilities include operational project management, ensuring stable system operation, resource management, and stakeholder management.

The Head of Compliance will act as the BaFin-appointed Compliance Officer for MaComp- and MaRisk-Compliance and Single Safeguarding Officer. This role develops, implements, and maintains compliance policies, procedures, and frameworks, ensuring alignment with regulatory changes and industry best practices. The Head of Compliance will lead the Compliance team, provide strategic guidance to senior management, and coordinate compliance-related projects.

The Leibniz Institute for Natural Product Research and Infection Biology seeks a Scientific Communication, Public Relations, and Events Officer to prepare and communicate research results and activities, particularly for the INCATE project. Responsibilities include writing accessible texts, supporting public relations activities, organizing events, and developing communication materials. The ideal candidate has a degree in media, communication, journalism, or public relations, or a natural science degree with proven science communication skills. Fluency in German and English is required.

Working student (m/f/d) for UX Design at ABB Robotics in Gilching. Design a new interface from scratch, workflows, and layouts. Collaborate with engineering and product teams.

As an Enterprise Corporate Sales Account Executive, you will develop and close new business and expand Docusign's footprint by selling products and services within a defined territory. You will be responsible for exceeding sales quotas, managing deals, and collaborating with internal teams and partners.

Manage and develop internal IT infrastructure (clients, network, servers, applications) ensuring stability, security, and automation. Resolve complex IT issues, handle onboarding/offboarding processes, and collaborate on IT projects.

Manages standard and moderately complex payroll implementations, ensuring projects are delivered on time and to a high standard. Prepares project documentation, identifies risks, and collaborates with cross-functional teams. Supports seamless handovers to Payroll Support and mentors less experienced team members.

As a B1 Technician, you will perform aircraft maintenance ensuring compliance with regulations and high standards of quality, safety, and time efficiency. You will document maintenance activities, provide updates, and support operational tasks.

Launcher Assembly Technician responsible for the assembly, integration, and testing of launch vehicles. Requires vocational training in a relevant field, experience in aviation/aerospace, knowledge of gas/fluid bolting techniques, and fluency in English and German.

Define system, data, and deployment architectures for AI solutions. Establish standards and patterns while architecting LLM/ML solutions with rigorous evaluation and safety. Design MLOps foundations for reproducibility and engineer for reliability, latency, cost efficiency, observability, and resilience.