ruby English-speaking jobs in Castile and León

Process Operator for beverage production at a co-packing facility in Castellón de la Plana, Spain. Responsibilities include quality inspection, bulk shipment preparation, beverage blending, and carbonation. Requires experience in food, beverage, or process industries, HACCP knowledge, and technical insight.

Project Manager/Customer advocate will lead medium-size projects, manage project performance, and ensure compliance with execution best practices. Develop project documentation, monitor progress and financial health, and serve as the main customer point of contact. Requires a bachelor's/master's degree in Engineering, 3-5 years of project management experience, and fluency in English and Spanish.

Atelier Madre seeks a detail-oriented artisan to craft leather bags and assist customers in our Barcelona store. Must be trustworthy, efficient, and have a passion for quality craftsmanship.

4sfera Innova seeks two Consultants: an Environmental Assistant Consultant (Junior) in Girona and an Air Quality Consultant (3+ years experience) with potential for remote work. Both roles involve data handling, analysis, report writing, and project support. The Air Quality Consultant will also manage projects, conduct assessments, and interact with clients.

The Assistant Store Manager will support the Store Manager in driving sales, enhancing customer experience, and managing the store in their absence. Responsibilities include customer service, stock management, visual merchandising, and communication with the Area Manager and HQ.

Prepare and assemble room service dishes during night shift, ensuring speed, accuracy, and presentation standards. Support night kitchen operations with mise en place, food preparation, and plating. Maintain kitchen cleanliness and follow food safety procedures.

Electronic Engineer to join a new-generation battery startup developing sodium-ion storage systems.

The Commis Cook supports the kitchen team in the preparation and presentation of culinary products, ensuring quality and safety standards. Reports to the Chef de Partie, and in their absence, the First or Second Chef de Cuisine.

Execute the On Trade commercial strategy in a designated area to generate volume and profitability in strategic clients. Build strong relationships with decision-makers at the point of sale and ensure direct and continuous coverage of the assigned portfolio. Identify opportunities to secure incremental sales and execute brilliant activations and events. Manage commercial relationships between Diageo and the hospitality POS managers. Drive sales and visibility of brands in POS, aiming to increase product rotation in the market.

Design, develop, and optimize machine learning models for object detection, segmentation, and classification. Research, implement, and enhance computer vision and numerical algorithms. Build computer vision software systems and analyze data to monitor and evaluate performance.

Senior Design Lead (Branding & Marketing) needed to lead and execute design across multiple channels including branding, packaging, paid media, and email marketing. Must have 5+ years of experience, a strong portfolio, and proficiency in Figma, Adobe Creative Suite, and AI design tools.

Hotel Booking Agent needed for Travelodge. Manage inbound calls for reservations, amendments, and cancellations. Convert inquiries into bookings using a sales-driven approach. Fluency in English and Spanish required.

About Straumann The Straumann Group unites global reach, experience and innovation with passion and a commitment for uncompromising quality, making enhanced dental healthcare available and accessible to customers and patients around the globe.

Design Engineer will solve complex design problems, consult on design quality, and redesign the mobile web app. Responsibilities include creating component libraries, improving information hierarchy, and researching, specifying, and implementing solutions using TypeScript/React.

Sales Forecasting and Admin Assistant provides support to the EMEA Retail Sales Forecasting Manager and Sales Directors. Responsibilities include data analysis, contract management, sales forecast process support, and communication with internal stakeholders. Requires a university degree, experience in administration, sales controlling, or finance, and proficiency in Excel, PowerPoint, and ERP systems. Fluency in Spanish and English is required.

Senior Software Engineer to shape mobile architecture, serverless backend, and engineering standards at a rapidly growing company. Experience with React Native, TypeScript, Node.js, AWS Lambda, and AI product features is required.

Kensington School, Madrid seeks a dynamic Economics Teacher to deliver IGCSE and IB Economics. Successful candidates will have Qualified Teacher Status (QTS) or equivalent and experience teaching Economics at secondary level.

Senior DevOps & Backend Engineer to design, build, and maintain scalable cloud native infrastructure on AWS. Develop and support Node.js backend services and APIs, build CI/CD pipelines, and embed DevOps practices. Improve system health through observability, alerting, and incident response.

Project Quality and Safety Manager will support project teams in ensuring project safety and quality assurance. Responsibilities include establishing the Project Quality plan, coordinating activities, and guiding teams on quality contributions.

Clinical Site Specialist supports global clinical trials by building relationships with investigators, site staff, and stakeholders. Responsibilities include site feasibility, start-up, monitoring oversight, and contributing to study performance. Requires clinical research experience, strong communication skills, and willingness to travel.