student English-speaking jobs in Castelló de la Plana

Assists in all kitchen operations, including food cost control. Develops menus and recipes, ensures food quality, and supervises food preparation. Maintains kitchen cleanliness and hygiene.

Sales Assistant to support the sales team, manage customer accounts, process orders, and handle customer communication. Requires 2+ years of administrative experience, excellent customer service skills, and proficiency in English. Experience with Navision ERP is a plus.

Provides legal support and advice on business operations in the EU. Drafts, reviews, and negotiates legal documents. Handles legal disputes and provides guidance on labor law, data protection, and corporate governance.

Business Development Manager (EU) will hunt and onboard new vendors and affiliates, focusing on direct response and performance marketing. Responsibilities include pipeline management, relationship building, and representing Digistore24 at industry events.

The Winemaker coordinates production, supply chain, and client interface activities at the site. Responsibilities include translating sales forecasts into production plans, leading the supply chain team, and serving as the primary point of contact for clients. The role requires a background in winemaking or related fields, experience in operations and supply chain leadership, and strong communication and financial skills.

This temporary role involves performing technical repairs, calibrations, and refurbishments on Werfen Instrument Systems. Responsibilities include troubleshooting, diagnosing issues, updating equipment, and providing service quotations to customers.

Senior Optimization Engineer needed to architect and deploy advanced nonlinear optimization engines. Responsibilities include designing custom algorithms, translating multi-physics phenomena into optimization problems, and customizing solver behaviors. Requires a PhD in a relevant field and deep knowledge of nonlinear optimization theory, programming languages (Julia, C++, Python), and large-scale solvers.

Graduate Sales Development Programme in Barcelona. Develop into a high-performing commercial professional. Build relationships with senior decision-makers across European markets and generate new business opportunities. Fluency in English and at least one additional European language required.

Experienced Project Manager needed to lead the delivery of utility-scale Solar PV and BESS projects (20MW+) in Spain. Responsibilities include managing EPC contractors, budgets, and schedules, ensuring compliance with regulations, and overseeing construction and commissioning.

Electronics Engineer to design, test, and support electronic systems for next-generation satellite hardware. Responsibilities include circuit design, testing, documentation, and troubleshooting. Requires a degree in Electronic Engineering and experience with analog and digital electronics.

Operations Director to oversee 2-4 luxury hospitality venues in Southern Spain. Responsible for operational excellence, guest experience, and team leadership across multiple premium sites. Proven experience in luxury hospitality operations and strong people leadership required.

Administrative, Accounting & Sales Assistant needed for international contemporary art agency. Responsibilities include bookkeeping, financial reporting, sales administration, logistics coordination, and project support. Requires 3+ years experience in administration, accounting, or office management, strong organizational skills, and proficiency in Microsoft Office and accounting software. Fluent English and Spanish required.

The Director of Food & Beverage assesses, evaluates, and ensures the achievement of the resort's food & beverage goals. This role develops and implements business plans and sales strategies to maximize guest satisfaction, sales, and profitability. The Director monitors industry trends, conducts inspections, and participates in the development of recognition programs and promotional campaigns. They also manage the food & beverage department, control costs, analyze sales, and ensure compliance with laws and regulations.

IT Project Manager needed to manage the execution of global IT projects, ensuring successful delivery and alignment with SARIA Food & Pharma strategy.

Pricing Actuary to develop and execute UK pricing strategies for Motor, Home, Pet, and SME portfolios. Build data-driven models, analyze portfolio performance, and collaborate with MGAs and partners across Europe.

Site Leader for a leading multinational chemical company's manufacturing facility in Spain. Leads site operations, team performance, and business strategy execution. Requires a Master's degree in a relevant field and 10+ years of experience in industrial manufacturing leadership.

Ad Success Representative will manage client relationships, oversee campaign processes, and provide insights to drive campaign success. Requires 3+ years of experience in customer success, account management, or ad operations. Proficiency in Salesforce, Google Sheets/Excel, Slack, and customer support platforms is needed. Fluency in English and German is required.

Senior Coordinator for clinical packaging and labeling operations. Ensures timely delivery of packaged clinical supplies for studies from Phase 1 to Phase 4. Manages outsourced activities, reviews documentation, and collaborates with external partners. Requires experience in clinical packaging, R&D, GMP, GCP, and GDP. Strong proficiency in digital tools and reporting systems.

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 system performance.

Senior Experience Designer leads cross-disciplinary analysis, defines digital product concepts, and executes detailed designs. Leads client conversations, mentors junior colleagues, and contributes to business development. Requires 5+ years of experience in experience design, strong design skills, and proficiency in design tools.