ruby English-speaking jobs in Düsseldorf

Perform ESD and Latch-up qualification and characterization for semiconductor devices. Develop test programs, operate ATE testing equipment, and debug weaker pins using FA techniques. Provide documentation of results and collaborate with Design and Application Teams.

Experienced Senior Planner needed for data center projects in Frankfurt. Requires 7+ years of construction project planning, strong Primavera P6 expertise, and experience with a main contractor. Must be eligible to work in the EU.

Postdoctoral researcher to develop operando scanning probe microscopy methods for monitoring catalytic interfaces in chemical hydrogen storage. Responsibilities include designing electrochemical reactors, characterizing thin-film surfaces, and analyzing data to understand catalytic mechanisms. Requires a Master's degree with a PhD in a relevant field, knowledge of scanning probe microscopy, and experience with operando electrochemical cell design.

The Director Global Medical Affairs will lead medical strategy and act as subject matter expert for a key brand launch in Nephrology. This role focuses on building and executing global medical communication plans, managing KOL relationships, and providing scientific input to cross-functional teams.

Processes payroll for approximately 7,000 employees in Germany, ensuring accurate and timely payments, deductions, and tax filings. Manages payroll data, resolves discrepancies, and responds to payroll queries. Requires several years of payroll experience, advanced Excel skills, DATEV payroll engine experience, and fluency in German and English.

Global Oncology Medical Communications & Information Content Strategist will develop and manage scientific content for internal and external stakeholders. Responsibilities include translating complex science into compelling messaging, collaborating with Medical Affairs, and managing vendors. PharmD or Phd and 2-4 years of relevant industry experience required.

PhD student (m/f/d) to join DFG-funded Research Training Group RTG2887 "VISualization and imaging of virus infectION"(VISION) at the Institute of Virology and Cell Biology. The project focuses on structural and functional characterization of the hepaci- and pestiviral NS2-NS3 polyprotein region.

Associate to join a pan-European development finance firm. Manage transactions across the lifespan of a Development Finance facility. Lead due diligence/underwriting process, prepare financial models, and produce underwriting documents.

This strategic role leads the global Hardware Engineering function, encompassing the full product lifecycle. Responsibilities include building and leading a global team, defining hardware strategy, driving product development, ensuring quality and reliability, and collaborating cross-functionally.

Payment Operations Specialist will test and monitor e-commerce payments, handle payment-related tickets, and create development tickets. The role involves supporting management on payment methods, assisting with system maintenance, and investigating payment issues.

Senior Environmental Health Safety Specialist will support and implement corporate EHS programs and software systems. Lead and participate in incident investigations, audits, and provide EHS training. Serve as a technical resource for emergency preparedness and coordinate with operations, engineering, and regulatory agencies. Requires experience in EHS, a bachelor's degree or equivalent, and fluency in German and English.

As a Mechanic C, you will perform mechanical, electrical, and electronic repairs on production and facility equipment. You will troubleshoot issues, assist with repairs, and maintain systems safely and efficiently.

Sitecore XM Cloud Developer needed for a 6-month freelance contract. Design, develop, and maintain Sitecore XM Cloud solutions. Experience with Sitecore XM Cloud, .NET Core/C#, and Sitecore Experience Accelerator (SXA) required. German-speaking candidates preferred.

Research positions available in the field of strong-interaction matter under extreme conditions. Projects focus on QCD under extreme conditions and machine learning applied to lattice field theory. Successful candidates will develop new lattice and/or ML techniques, analyze results, and participate in publications and conferences.

Trainee Editor/Translator will edit and proofread ECB materials, website content, and social media posts. Will also contribute to writing initiatives and occasionally translate from EU languages into English. Requires a bachelor's degree in modern languages or translation, experience in copy-editing, and fluency in English and at least one other EU language.

Leads construction and renovation projects from lease signing to opening, collaborating with landlords, contractors, and internal teams to ensure quality, timelines, and budgets are met.

Java Full Stack Developer needed for large-scale, complex application development. Requires strong experience with Java 8+, Spring Framework, Microservices, REST APIs, and design patterns. Full stack experience with front-end UI and backend integration is preferred. Experience with cloud platforms, CI/CD, and testing frameworks is also required.

Product Manager responsible for end-to-end product category management, including strategy development, market analysis, performance tracking, and cross-functional collaboration. Requires a degree in economics with a focus on marketing or comparable qualification and 4-5 years of experience in product management, preferably in the consumer goods sector.

This 6-month internship supports the Private Cloud team with coordination tasks, project support, and communication with stakeholders. The intern will maintain project documentation, engage with stakeholders for updates, and provide ad-hoc support.

Leads EMEA product portfolio strategies, manages market positioning, and executes go-to-market plans. Collaborates with sales teams and cross-functional groups to drive product commercialization and achieve revenue targets. Requires a Bachelor's degree in a healthcare-related field or marketing and 7-10 years of medical device sales experience in Europe.