student English-speaking jobs in Castelló de la Plana

Designs and implements engineering processes (design, product, and manufacturing) within the 3DEXPERIENCE platform. Requires 5+ years of 3DEXPERIENCE/ENOVIA PLM implementation experience and end-to-end project experience.

Quantitative Researcher to design, analyze, and refine systematic trading strategies focused on derivatives. Requires experience with derivatives, equity trading desks, volatility, Greeks, and risk management. Strong Python skills and experience with large market data sets are essential.

Mechanical Production Engineer needed for optical payload manufacturing and testing. Responsibilities include leading production processes, ensuring quality standards, and collaborating with engineering and supply chain teams. Requires 1-3 years of experience in mechanical production or manufacturing engineering.

Develop and maintain APIs using ASP.NET Core hosted on Azure. Write and maintain automated unit and integration tests. Implement and manage monitoring and alerting solutions on Azure. Collaborate with cross-functional teams in an Agile framework.

The People Analyst will lead the annual Compensation Review process, manage employee benefits, and oversee employee lifecycle administration in Workday. This role will also develop and monitor staff and non-staff budgets, coordinate training initiatives, and support the International Graduate Program. The People Analyst will design and coordinate employee experience initiatives, manage onboarding and offboarding processes, and maintain internal People materials.

Extraordinary seeks a Partnerships & Business Development Intern to help grow and manage partner relationships. The role involves identifying and reaching out to potential partners, building relationships, and supporting event execution.

PHP Backend Software Engineer to build and evolve scalable platforms. Requires 5+ years of PHP & Symfony experience, REST APIs, DDD, TDD, Docker, Kubernetes, and AWS.

Senior Mechanical Estimator needed for water treatment and industrial projects. Prepare cost estimates for mechanical and plumbing systems, including materials, labor, and equipment. 5-10 years of estimating experience in construction, mechanical, or plumbing projects required.

Finance-driven professional to join PPG's Global Finance Transformation team. Maintain and review key Finance Master Data, support the design and governance of the CIM, and ensure data consistency across regions and business units. Bachelor's degree in Finance, Accounting, Economics, or Business Administration required.

An AI & Automations Operations Intern will design, build, and scale AI-powered operational systems. You will support day-to-day operations, assist with operational processes, and contribute to the creation and improvement of automations.

The Head of Legal will manage all Spanish legal matters, ensuring compliance, risk management, contract governance, and regulatory alignment. This role requires a senior legal professional with experience in technology, data, corporate, and regulatory matters.

The Headmaster/Headmistress will lead the development and deployment of staff, curriculum, teaching, management, and efficiency. Responsibilities include motivating the school community, ensuring student welfare, maintaining educational quality, managing the school budget, and developing a strategic plan.

Business Development Manager to develop and implement B2B sales strategies for digital campaigns across Poland and Europe. Requires fluency in Polish and English, 3+ years of experience in digital media sales, and a strong network within the digital industry.

This full-time on-site role in the Greater Barcelona Metropolitan Area manages international transportation operations, coordinates logistics, and ensures client satisfaction.

International Business Intern to support company expansion. Conduct market research, assist with contract preparation, and collaborate on logistics and strategic initiatives.

The Channel Manager will design, develop, and manage the brand's dealer and distribution network across Spain. Responsibilities include recruiting dealers, implementing operational standards, and ensuring the network meets sales targets.

Integrity360 seeks a Sales Executive to develop and execute business plans, identify and cultivate new prospects, and manage the sales process. The ideal candidate will have experience selling security solutions, threat intelligence platforms, and managed services, with a proven track record of exceeding sales targets. Strong communication, presentation, and negotiation skills are essential.

Manages liquidity, financing processes, banking relationships, and financial risks for Exus Renewables. Supports business operations to ensure financial stability and execution of commercial activities globally.

Provides on-site technical support for desktop and laptop systems, including troubleshooting hardware, software, and connectivity issues. Manages the full lifecycle of desktop devices and delivers support using tools such as SCCM, Intune, and ServiceNow. Ensures compliance with security protocols and offers VIP support during critical escalations.

Sales Assistant to contribute to store turnover and customer satisfaction. Achieve sales goals, present products, identify customer needs, and build customer loyalty. Experience in luxury sales and customer service required. Fluent Spanish and English.