ruby English-speaking jobs in Düsseldorf

As a Hardware Architect, you will consult project teams on technical requirements, design hardware-instrument systems, and drive the evolution of the V93000 platform architecture. You will ensure architectural integrity and maintainability, and promote architectural standards across the R&D organization.

PhD position within the Marie Skłodowska-Curie Doctoral Network INTRABRAIN. Successful candidate will integrate peptides into nanoparticle polymer complexes, assess nanoparticle transport, and evaluate tumor-targeting efficacy. Applicants must hold a Master's degree in a relevant field and meet MSCA Doctoral Networks mobility and eligibility requirements. Experience in cell culture, fluorescence-based methods, nanoparticle synthesis, and functionalization is desired.

Manage the entire sales process in the Netherlands, from lead generation to partnership development. Build relationships with healthcare professionals, retailers, and key partners. Act as the face of NORSAN at industry events and serve as the primary point of contact for clients.

Doctoral Researcher in Organic Chemistry will conduct laboratory experiments, analyze data, and contribute to a research project focused on developing novel synthetic methods for peptide modification.

As an Asset Management Specialist, you will contribute to private debt and private equity investment structures, provide accounting analysis for alternative asset investments, and support private asset management throughout the investment lifecycle.

Loads and unloads UPS packages, utilizing machinery as needed. Performs package handling, shipping, receiving, scanning, sorting, and stocking. Must be able to lift up to 70 lbs.

Product/UX Designer will apply design thinking to create user-friendly solutions. Responsibilities include conducting research, creating wireframes and prototypes, and collaborating with cross-functional teams. Requires 2-5 years of experience, proficiency in Figma, and experience implementing Material Design and WCAG.

Drive the continuous improvement of M365 and SharePoint environments, focusing on cloud governance, archiving, storage, and data quality. Design and implement concepts for information protection, permission management, and data classification. Advise internal customers on governance and compliance topics related to SharePoint Online.

Lead the development and construction of astronomical instruments or sub-systems for ESO's observatories in Chile. Projects may involve collaboration with astronomical institutes and industry, or internal development.

Develop and operate scalable AI platforms in cloud environments. Support the entire AI lifecycle, from data preparation to deployment. Automate infrastructure and workflows using DevOps and MLOps tools. Collaborate with data scientists and engineers to design and implement platform functionalities. Ensure platform quality, stability, and security.

Leads global corporate strategy projects, defining and implementing company strategy. Drives strategic planning, identifies growth opportunities, and analyzes market trends. Collaborates with senior leadership and stakeholders to execute strategic initiatives.

Define and implement R&D project management strategy, standards, and methodologies. Steer and support the R&D project portfolio, ensuring prioritization and transparent reporting. Lead portfolio and capacity planning, ensuring critical initiatives are appropriately staffed and resourced. Ensure rigorous planning and execution for all R&D projects, monitor KPIs, and address deviations. Promote best practices in risk management, requirements management, and design transfer. Lead, develop, and coach Project and Program Managers. Design and implement training, tools, and standardized documentation. Drive continuous improvement of project management processes, tools, and KPIs.

The Head of Tax leads and develops the global tax function for a multinational group, ensuring compliance across 30+ jurisdictions. This role oversees international tax matters, transfer pricing, tax reporting, and risk management while shaping a future-ready tax organization.

Analyze complex tolling and business processes, including integrations, ordering, provisioning, billing, and regulatory constraints. Elicit, document, and validate business and system requirements through workshops and stakeholder collaboration. Map and maintain end-to-end business processes across customer, order, subscription, billing, and support lifecycles.

As a Martech Specialist Mobile Apps, you will troubleshoot Mobile Measurement Partners (MMPs) and ensure seamless connections with advertising networks for accurate tracking and attribution. You will manage client data feeds, create data visualizations, and collaborate with developers to implement marketing tools and integrations.

Performance Operations Intern to support Head of Operations in driving performance insights and strategy execution. Responsibilities include monitoring KPIs, analyzing product usage data, and assisting with reporting and process optimization. Must be a currently enrolled university student with strong analytical skills and knowledge of Excel/Google Sheets.

PubMatic seeks a Sales Director for its Advertiser Solutions team in Hamburg. This role focuses on driving new client acquisition, building relationships with agencies, brands, and DSPs, and representing PubMatic at industry events.

Medical Doctor with Gastroenterology Fellowship certification required. Provides medical input to global clinical studies, advises teams and partners, and ensures patient safety. Reviews clinical data, addresses safety issues, and collaborates on protocol development and reporting.

AI Software Engineer (m/f/d) needed to design, build, and maintain scalable backend and frontend components within a serverless AWS architecture. Apply AI-driven development approaches using Claude AI to accelerate coding, refactoring, testing, and documentation. Collaborate with product, engineering, and architecture teams. Experience with AWS infrastructure, cloud-native systems, and multiple programming languages is required.

Manage and optimize paid media campaigns across search, social, and display for brands like LEGOLAND and Peppa Pig. Drive traffic, revenue, and ROI through data-driven decision-making and performance analysis. Collaborate with marketing, eCommerce, and agency partners to ensure campaign alignment and execution.