ruby English-speaking jobs in Rhineland-Palatinate

Analyzes and documents vehicle bus systems (CAN/CAN-FD/Automotive Ethernet). Determines installation options for electronic components in various vehicle models. Collaborates with customers, partners, and repair shops. Supports sales team with technical questions and onboarding.

Electronic Hardware Design Engineer will develop safety-critical electronic hardware for aviation applications. Responsibilities include circuit design, PCB layout, prototype testing, and documentation. Requires a university degree in a relevant field and experience with aerospace standards and ECAD tools.

This full/part-time role at TUI BLUE Sylt, Germany, starting 01.03.2026, requires German fluency and certifications in Yoga, Functional Training, and Personal Training. You will lead group fitness sessions, plan activities, and engage with guests.

Develop RFI and RFP packages for physical security systems based on security concepts and stakeholder requirements. Analyze vendor quotes and provide recommendations.

A newly funded cybersecurity startup in Berlin seeks a Founder's Associate/Executive Assistant to CEO to support the CEO with finance, operations, travel, PR, and sales activities. The ideal candidate will have 2+ years of experience in startup operations, HR, finance, PR, sales, or executive assistance and strong organizational and communication skills.

Designs, coordinates, and improves learning activities that complement the core technical curriculum at 42 Heilbronn. Manages extracurricular programs including soft skill development, technical workshops, and external learning opportunities. Communicates with students, colleagues, alumni, and external partners.

Strategic Buyer (m/f/d) will define and execute procurement strategy, optimize costs and processes, and build relationships with international suppliers. Requires a bachelor's degree, 3-5 years of purchasing experience, strong negotiation skills, and proficiency in Excel.

Verus Libori Klinik seeks international psychotherapists with a Master's degree in Clinical Psychology to provide adult, child, and adolescent psychotherapy in a Black Forest clinic.

Junior Foreign Exchange Trader will execute spot and forward trades, manage currency positions, monitor risk limits, analyze market trends, and assist senior traders.

JD.com seeks a Global Category Manager to introduce and operate brand merchants, retailers, and e-commerce platforms worldwide. The role involves managing key performance indicators, negotiating with suppliers, and expanding new global suppliers.

Global Commodity Manager for indirect materials (PSA, MRO, fluids, gases) in a metal processing company. Develop and implement procurement strategies, manage suppliers, and contribute to cost reduction initiatives.

Solactive seeks a (Senior) Vice President to lead Market Data Management, defining strategy, advising leadership on risks and opportunities, and optimizing data spend. This role involves negotiating with exchanges and vendors, establishing governance frameworks, and ensuring compliance.

Lead a team of Account Executives focused on cross-selling Personio Payroll to existing customers. Develop and coach a high-performing team to drive payroll adoption for mid-market companies. Achieve monthly and quarterly goals, analyze data to optimize sales processes, and collaborate with cross-functional teams to execute go-to-market strategies.

Conducts routine chemical tests on consumer products, including sample preparation, analysis, and result reporting. Requires a Bachelor's degree in chemistry or related field and 1-2 years of experience. Solid knowledge of instrumental analysis and quality management is necessary.

Leads two teams (Key Account Management and Operations) responsible for developing marketplace partners, managing retail media activities, and ensuring efficient project execution.

The Country Manager will develop and execute the company's commercial strategy for Germany, driving sales of IoT and Cast solutions across industrial, commercial, and public sectors. This role requires proven B2B sales experience in the German energy sector, a strong understanding of German energy regulations, and excellent German and English communication skills.

AI Research Engineer to design and develop novel model architectures and post-train foundation models for real-world applications. Requires strong ML research track record, expertise in modern architectures, and experience training large-scale models.

Payroll Specialist needed for part-time role (50%) in Hamburg. Manage monthly payroll for 250 employees across two locations, ensuring compliance with legal and regulatory requirements.

Assist concept designer with trend, material, color, and product research. Digitalize color cards, mood boards, and keylooks. Support collection meetings, styling, and shootings. Create mood videos and presentations.

Supply Officer (m/w/d) manages material flow, coordinates with suppliers, and drives process improvement. Responsibilities include demand communication, order placement and tracking, delay analysis, and recovery planning. Collaborates with procurement, logistics, and production teams. Leads or participates in supply chain improvement projects.