student English-speaking jobs in Castelló de la Plana

International Purchasing Specialist will lead the implementation of a unified travel booking tool and policies across International 1. This role involves collaborating with stakeholders, training users, and managing vendor relationships to optimize travel costs and service quality.

Project Engineer to guide construction teams, provide training on photovoltaic bracket installation, and track debugging and troubleshooting. Requires 5+ years of experience in photovoltaic power station construction, installation, and technical support.

Provides technical support for the installation, commissioning, operation, and maintenance of lithium-ion energy storage systems. Analyzes customer applications, ensures product adaptation, and resolves field issues. Trains third-party providers and supports the bidding process. Requires engineering, technical, and electrical skills, field experience, and knowledge of batteries and applications. Must have REA certification.

Clinical Research Coordinator to support a clinical research site in Toledo. Part-time (20-24 hours/week) until September 30, 2026. Responsibilities include study documentation, patient support, data management, and communication. Bachelor's degree in life sciences or equivalent experience required.

Senior Product Manager to develop and grow mobile apps (iOS and Android). Define product roadmap, analyze user behavior, and drive optimization strategies. Collaborate with cross-functional teams to launch new features and products.

Provides administrative and personal support to a senior aerospace executive. Manages calendars, travel, communications, and documents. Coordinates meetings and supports day-to-day operations.

The OYSHO Talent 2026 program offers a one-year paid contract for recent graduates with a degree in Design, Pattern-Making, Textile Engineering, Sustainability, Business, Styling, E-commerce, or Communication. Fluency in English and strong communication skills are required.

Senior Platform Engineer will design and deploy multi-cloud architectures (Azure, AWS, GCP) using a "Security and Automation First" mindset. Responsibilities include creating and maintaining Terraform modules, developing Ansible playbooks, and managing cognitive service environments.

Senior Application Engineer to design, develop, and maintain scalable cloud-based applications. Experience with Spring Boot, Java, Azure services, and REST API development required. Strong communication and collaboration skills essential.

AYES seeks an Engineer with experience in energy (Oil & Gas, industrial processes, infrastructures) for projects in process, piping, civil, or mechanical engineering. Requires a university degree in a relevant field, previous energy sector experience, native-level Chinese, and good English.

Senior Business Analyst will support financial integrity of retail operations within the luxury goods sector. Responsibilities include ALM Lifecycle Support, Payment Reconciliation, Functional Configuration, Multi-System Troubleshooting, and Documentation & Quality. Requires SAP FICO knowledge, payment reconciliation tool familiarity, and experience in Agile environments.

Technical Support Specialist providing phone and email support to retailers for a luxury automotive brand. Responsibilities include guiding retailers through software, managing orders, and coordinating hardware setup. Native or bilingual Dutch and advanced English required.

Senior Software Development Engineer to design, build, and maintain Java-based microservices in cloud environments. Collaborate with teams in an Agile setup.

Supports Marketing & Trade team in project development and brand management. Assists with daily operations, including performance monitoring, sell-in/sell-out analysis, and digital plan management. Collaborates with agencies and internal teams on marketing materials and customer support.

Digital Marketing Manager to build and execute a global marketing strategy for SalesGoal.com, focusing on B2B SaaS product positioning and demand generation.

Centauro Rent a Car is a leading company in the vehicle rental sector with more than 50 years of experience, operating across the most popular tourist destinations in Southern Europe: Spain, the Balearic Islands, Portugal, Madeira, Italy, Sardinia, Sicily, mainland Greece, and the Greek islands.

As a Customer Success Manager, you will own the customer journey from onboarding to expansion and renewals. You will build relationships with medical clinics, guide them through implementation, and ensure they maximize the value of Ovianta's AI platform.

QA Intern to join Product team ensuring quality of web applications, mobile apps, and backoffice tools through manual testing. Collaborate with product managers, developers, and stakeholders to validate new developments and catch issues early.

Drive revenue growth by managing the entire sales process for an AI-based expense and procurement management platform. Responsibilities include lead generation, pipeline management, sales presentations, and market monitoring. Fluency in German is required.

Global Head of Talent will define and execute Applivery's people strategy, partnering with leadership on organizational design, talent acquisition, and performance management. This role requires 10+ years of HR experience, including 5+ years in a global leadership role, strong knowledge of labor law and HR operations, and fluency in English and Spanish.