student English-speaking jobs in Castelló de la Plana

Leads a district of multiple stores, shop-in-shops, and concessions, driving business, meeting budgets, and maintaining a proactive business plan. Manages store teams, supports customer service, analyzes sales reports, and ensures brand standards. Requires proven retail management experience, multi-site leadership, and fluency in English.

Technology Expert (Batteries & PV) will define and standardize battery and photovoltaic (PV) systems, lead testing and homologation processes, and manage vendor relationships. The role also involves developing innovative energy solutions, designing control algorithms, and overseeing a Network Operations Center (NOC) for battery asset monitoring.

Provides executive and administrative support within the Purchasing Department. Ensures timely delivery of purchased goods, mainly raw materials and products for other departments. Places orders, tracks order status, and manages purchasing operations. Requires 3-5 years of experience in the fragrance industry, excellent English and Spanish, and advanced Microsoft Office skills.

The Carlos Simón Foundation seeks an Administrative professional to support the Finance and Administrative Department. The role involves general accounting tasks, invoicing, tax preparation, administrative support, and process improvement. Two years of experience in a similar role is required.

Dental Customer Care Specialist needed to provide excellent customer service via various channels. Must have a Bachelor's Degree in Dentistry, excellent French (C1), and professional English (B2-C1).

Experienced Project Manager needed for a leading automotive project. Lead and coordinate complex projects, ensuring alignment with timelines and deliverables. Collaborate with specialist groups and drive change management. 5+ years of project management experience, knowledge of change and lifecycle management, and ramp-up in production environments required. Degree in Engineering, Project Management, or similar. Fluent in German and English.

Graphic Design Intern to support marketing team in developing visual content for digital, social, and print platforms. Will create assets, marketing collateral, and edit images. Must have proficiency in Adobe Creative Suite and a strong portfolio.

Ecommerce & Digital Growth Manager will lead the growth of the ecommerce channel, managing and optimizing online sales across Spain, the US, and new markets. Responsibilities include developing digital campaigns, managing CRM data, and collaborating with sales and marketing teams. Requires a degree in Digital Marketing, 6+ years of experience, and fluency in English and Spanish.

QA Automation Tester will build and maintain automated tests for web and APIs. Collaborate with developers and product teams to understand features and test needs. Improve test coverage and speed up release cycles. Track bugs, analyze failures, and help fix issues. Must have 3+ years of experience as a QA Automation Tester, Java, Selenium, Git, CI/CD tools, Maven, Spring, Browserstack, TestRail, RestAssured, and SQL. Fluent communication and documentation skills in English and Spanish.

Energy Solutions Engineer will design and deliver energy efficiency solutions for industrial clients across Europe. Responsibilities include conducting energy audits, developing savings models, and collaborating with sales, projects, and engineering teams. Requires 3+ years of engineering experience, technical sales experience, and fluency in English and Spanish.

Senior Hardware Engineer with 5+ years of experience designing electronic circuits for industrial and consumer products. Leads junior engineers and collaborates with multidisciplinary teams to bring products to market. Ensures compliance with EMC and electrical safety regulations.

Guide clients through the mortgage process, analyzing needs, sourcing options, and negotiating with banks.

Senior Product Designer to own end-to-end design for quizzes, lessons, pronunciation practice, and the learning map. Design reusable components, contribute to the Companion design system, and create detailed designs in Figma. Support experiments, work with product managers, engineers, and data analysts, and use research and data to inform design decisions. Requires 5+ years of experience designing digital products with a strong portfolio, expert-level Figma skills, and experience building and managing design systems. Mobile design experience (iOS and Android) is also required.

Temu seeks a Business Development Manager with 5+ years of experience in brand management or platform operations. The role involves recruiting and developing partnerships with merchandise partners, guiding their growth on the platform, and conducting market analysis to inform strategy. Strong data analysis, problem-solving, and communication skills are essential.

Senior Electrical Designer to join a leading client in the Oil & Gas and Power Generation Industry. Fluent English required for national and international projects. Experience in FEED and detailed electrical design for power and oil & gas projects is essential. Solid knowledge of hazardous area classification and experience with SP3D, SmartSketch, MicroStation, and AutoCAD.

Design, prototype, and iterate on user flows and interfaces for a financial technology product. Work within a cross-functional team to uphold design and usability standards. Gather and analyze feedback, and iterate on designs based on market needs and customer feedback.

Leads and manages EU regulatory activities for Active Substances, substance defense, and related dossiers. Ensures compliance with EU regulatory systems and frameworks. Prepares, reviews, and manages regulatory dossiers and technical documents. Collaborates with cross-functional teams on regulatory initiatives.

Storage Engineer will design, implement, and optimize energy storage systems, focusing on lithium-ion batteries, hydrogen, and other emerging technologies.

Supports the development and execution of Tradebe's corporate strategy and sustainability agenda. Conducts market analysis, prepares executive-level presentations, and collaborates with various departments on strategic initiatives.

Technical Illustrator needed for aerospace and defense projects. Create and update 2D and 3D technical illustrations for aircraft and defense systems documentation. Must have experience with ASD S1000D and structured documentation processes. Strong understanding of engineering drawings and CAD data required.