ruby English-speaking jobs in Düsseldorf

HKI-15/2026 At the Leibniz Institute for Natural Product Research and Infection Biology (Leibniz-HKI), we investigate the pathobiology of microorganisms and develop new natural product-based active compounds for the treatment of infectious diseases.

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.

Support Munich sales team in collaborative sales processes with a premium automobile manufacturer. Analyze market, customer, and sales data. Assist with strategic planning and logistics.

Software Architect to design and enhance machine-level application software for a high-throughput platform. Collaborate in an agile team to define requirements, guide architectural decisions, and participate in implementation, testing, and integration.

Senior Technical Product Manager for a growing consultancy. B2B experience required, with a technical/development background and exposure to infrastructure products. Must be fluent in German (B2/C1+) and English. Remote with up to 3 days per week on client site.

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. Requires fluency in German and English, project management experience, and strong communication skills.

Leads a distributed team of engineers focused on resolving software defects and delivering bug fixes for open source software. Manages team performance, provides coaching and mentorship, and collaborates with other engineering teams. Requires experience with software development using C, C++, Go, Python, and version control systems.

Machine Learning Engineer to develop and optimize AI models for autonomous driving. Requires MSc/PhD in Computer Science, Robotics, or equivalent experience with TensorFlow or PyTorch, C++, and Python.

As an Applied AI Solutions Architect, you will be a technical advisor to large enterprises, helping them understand and integrate Claude into their technology stack. You will guide customers from discovery through deployment, leveraging your expertise to design scalable architectures and address complex business challenges.

Sales Manager (m/f/d) will manage a structured sales approach for designated accounts, implement a commercial sales strategy, and handle operative sales and after-sales.

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.

Senior Account Executive to drive sales of Talentir's payout software in the DACH market. 5+ years of enterprise B2B sales in fintech, payment infrastructure, or compliance SaaS required.

Account Executive to expand Uber Eats' restaurant network in NRW/Hessen. Responsibilities include executing sales campaigns, negotiating partnerships, onboarding new restaurant partners, and collaborating with cross-functional teams. Requires experience in outbound sales, digital tools, and proficiency in German and English.

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.

Active participation in an ongoing SAP HCM implementation project, including requirements gathering, testing, training, and project management. Support the design of the future operating model and interface functions with external service providers. Record, evaluate, and validate future business and technical requirements. Analysis, optimization, and design of HR processes. Continuous further development of the HR system. Support future projects and management of external service providers.

Lead and mentor a team of developers, driving architectural decisions and coding standards. Design, develop, and maintain scalable web applications, architecting complex systems for reliability and security. Conduct code reviews, develop automated tests, and collaborate with teams to deliver high-quality solutions.

Structural Engineer needed for diverse projects. Design, analyze, and ensure compliance with building codes. Collaborate with architects and engineers. Prepare technical reports and documentation. Bachelor's or Master's degree in Civil Engineering required. Proven experience as a Structural Engineer.

Lab Manager responsible for formulation development of animal health products. Requires 3+ years experience in pharmaceutical industry with a focus on oral dosage forms and process scale-up. Must have strong knowledge of GMP and regulatory guidelines. Fluency in German and English required.

Lead and scale the Battery Control System (BCS) Product Team, developing reliable, high-performance systems for energy storage. Guide a cross-functional team of firmware, hardware, and testing experts. Foster a culture of clear ownership, pragmatic execution, and strong technical standards.

ATIA Ltd seeks reseller companies to find clients needing IT systems, web applications, or ISO standard services. Partnerships offer 20-30% of project value or a markup on a base price.