ruby English-speaking jobs in Düsseldorf

The AdSales Partnerships Specialist GSE (Germany, Switzerland, Austria, Luxembourg) drives advertising revenue and market development. This role manages the relationship with the local sales representative and agency, ensures alignment with internal teams, and contributes to the execution of the regional ad sales strategy.

Leads radiation protection activities across site design, licensing, shielding, regulatory compliance, and project delivery for radiopharmaceutical facilities. Manages projects, ensures regulatory compliance, and provides onsite support for successful site operation. Requires a Master's degree in a relevant field and several years of experience in radiochemical or radiopharmaceutical operations.

Account Executive (f/m/d) drives sales growth by engaging with clients, managing the sales cycle, and building relationships. Requires 2-3 years of experience in a startup environment, strong communication skills, and proficiency in German and English.

Senior Payroll Specialist supports business units in Germany. Responsibilities include preparing and processing payroll, managing confidential information, and collaborating with Finance and Controlling. Requires experience in payroll and SAP-HCM. Fluency in German and English is required.

Avionic mechanic with completed apprenticeship or experience in wide-body aircraft maintenance. Knowledge of AMM, IPC, and English required. Tasks include aircraft maintenance, component installation, wire repairs, and documentation.

Nachhilfeunterricht seeks a guitar tutor to deliver online and/or in-person lessons. Create structured and personalized lessons to teach guitar techniques, music theory, and build student confidence. Basic guitar knowledge and the ability to explain techniques clearly are required.

UX Designer - Design Systems will adapt the design system for AI prototyping, own components, and collaborate with Product Managers, Engineers, and Designers.

Provide compassionate care and assistance to clients abroad with daily living activities. Administer medications, prepare meals, and monitor client conditions.

Lead and develop a team of Account Executives focused on driving Brevo's growth across DACH. Coach, inspire, and empower your team to achieve quota attainment and individual growth. Execute the go-to-market strategy, monitor pipeline health, and support full-cycle sales execution.

PhD Research Assistant position available in the field of peripheral nervous system biology. The successful candidate will analyze the impact of the transcription factor Sox10 on glial plasticity in the peripheral and enteric nervous system. Applicants should have experience in neuroscience, molecular biology, cell culture, and histology.

Account Manager (m/w/d) manages full-cycle customer relationships, from business development to long-term partnership. Leads contract negotiations, drives account growth, and acts as the interface between customers and internal departments. Requires 3-8 years of experience in Account Management, Sales, or Business Development in the Life Sciences, Diagnostics, or Medical Technology Industry.

Senior Frontend Engineer (Angular) will develop user-facing platforms for the German Human Genome-Phenome Archive (GHGA) data portal. Responsibilities include implementing user interfaces, creating wireframes and prototypes, and architecting, testing, and maintaining web applications using Angular, TypeScript, and Tailwind CSS.

Student assistant to calibrate a soil-plant model using experimental data. Tasks include familiarizing oneself with the experimental setup and model structure, performing statistical data analysis for model calibration, adapting and extending existing scripts, and visualizing and analyzing model outputs.

Investment Analyst will source, underwrite, and analyze potential investments, assist in closings, and manage portfolios. Responsibilities include preparing investment committee proposals, performing company analysis, and industry research. Strong quantitative, financial, and analytical skills are required.

Shape user-centered, sustainable energy solutions for the European market. Translate user needs, market insights, and technological possibilities into high-quality design concepts. Conduct user-centered research and monitor design, technology, and market trends. Develop innovative concepts while considering engineering feasibility and production costs. Collaborate with the global design team and coordinate external design partners.

Part-time Bartender needed for 1-2 shifts per week. Prepare and serve beverages, maintain bar cleanliness, manage inventory, and support the service team. Previous bartending experience preferred. Berlin residence and ready-to-start status required. English skills are essential.

This senior finance position oversees day-to-day finance operations across Germany and other European countries. The role focuses on cost control, operational performance, financial discipline, and reporting. The successful candidate will collaborate with central teams while maintaining operational ownership.

Support Manufacturing Engineering by handling design nonconformities, managing iDelivery tasks, and contributing to continuous improvement initiatives.

Develop and implement global consumer-centric marketing strategies for herbal medicines. Responsibilities include market analysis, innovation management, brand awareness campaigns, and product availability. Requires a marketing or business administration degree and experience in consumer insights, media, and market analysis.

SAP MDG Senior Consultant needed for a 9-month project. Focus on MDG configuration, integration with Teamcenter, and optimization. Requires experience with MDG workflows, data modeling, REST APIs, and integration scenarios. Project language is English.