ruby English-speaking jobs in Düsseldorf

Leads a process engineering team in contactor manufacturing. Manages resources for process support, improvement, and product qualifications. Optimizes processes and technologies to ensure product quality and cost efficiency.

Lead the transformation of BRITA Professional Filter towards connected, data-driven solutions. Define a vision for digital & connected solutions, translate strategy into a roadmap, and drive execution across markets, functions, and teams.

Strategic Buyer (m/f/d) will define and execute procurement strategy, optimize global costs, and build supplier relationships. Requires a bachelor's degree, 3-5 years of purchasing experience, and strong analytical and communication skills.

Doctoral Researcher to investigate structure and functional mechanisms of multi-component transport systems in bacterial biofilms, metabolite secretion, and membrane protein biogenesis.

Develop and maintain IT applications for risk management and regulatory reporting in a banking data warehouse environment. Analyze banking issues and advise on technological solutions. Implement customized IT solutions and contribute to a stable system landscape.

As a Technical Writer for Banking Solutions at SAP Fioneer, you create clear and high-quality documentation that makes complex banking software easy to use, legally complete, and suitable for global markets.

With about 100 experts, Tietoevry Germany is committed to develop enterprises and society through IT by realizing new opportunities in customers' business transformation. We believe in professional development and results by supporting our customers on their journey into a meaningful digital future SAP transformation is more than a project – it's a business game changer.

Working student will verify and validate HVAC system requirements using simulations. Responsibilities include creating and maintaining simulation models in MATLAB/Simulink, conducting simulated tests, analyzing results, and documenting test cases.

Role As a Business Developer Director in Life Sciences you will lead the business development activities and act as the first point of contact for customers, partners, new joiners and public authorities. At Visium, you’ll play a pivotal role in driving growth and shaping enterprise-level AI & Data strategies within the Life Sciences sector.

Art Director to develop creative concepts and visual ideas for campaigns, social media, and client projects. Collaborate with creative direction, copy, strategy, account management, and social media teams. Turn strategic thinking into clear, inspiring visual communication.

Provides product and solution expertise to front-line sales teams. Ensures accurate equipment configurations and links product features to customer value. Supports sales plays, quotations, and customer meetings.

Experienced Practice Manager to support the growth of Oliver Wyman Europe's Consumer, Technology and Telecommunications practice. The role orchestrates practice staff and support functions, manages day-to-day affairs, and provides support to the Regional Practice Head.

Brand Manager graduate role. Develop marketing strategies and lead product innovations. Manage brand masterplans across all media. Strong analytical and problem-solving skills required. Fluent in English and German.

Designs and develops integrated photonic systems and components. Collaborates with teams to define system requirements and specifications. Identifies and assesses project risks and develops countermeasures. Conducts simulations and modeling to optimize performance. Validates integrated photonic devices.

Internship focused on developing manufacturing processes for next-generation MEMS environmental sensors. Work in an international team, gain hands-on experience, and contribute to experiments and concept studies.

Deliver parcels and letters using company vehicles, including electric vehicles. Must have a valid Class B driver's license and be able to communicate in German.

Health & Safety Advisors support the delivery of roofing, cladding, and façade projects across Germany, Denmark, Sweden, and Finland. Responsibilities include promoting a positive safety culture, ensuring compliance with regulations, conducting site inspections, and investigating incidents. Requires a Bachelor's degree in a related field, a recognized Health & Safety qualification, and 3+ years of experience in construction.

Senior facultative reinsurance broker specializing in construction and engineering risks. Proven experience structuring and placing complex facultative programs. Strong market relationships in Europe and/or globally.

Ensures molecular and particulate cleanliness for components used in high-end electron microscopes. Develops, optimizes, and qualifies advanced wet-chemical and dry-cleaning processes. Implements and maintains contamination-control standards and procedures. Conducts cleanliness-focused supplier qualification and audits.

Founding SDR to scale outbound motion for a business-in-a-box platform serving German craft companies. Responsibilities include executing existing outbound strategy, improving scripts, and generating qualified discovery calls. Requires 1+ year of sales experience, a love of cold calling, and native German fluency.