student English-speaking jobs in Castelló de la Plana

Develop and execute social media strategy to grow brand and engagement across all platforms. Create and curate video and visual content for various platforms. Engage with the community, track KPIs, and stay current on social media trends. Collaborate with content and product teams.

Senior Backend Developer needed to work on microservice architecture, APIs, and Java development. Experience with Spring Boot, Spring Batch, Maven, JUnit, Mockito, Wiremock, MockMVC, JPA, Oracle, and JDBC is required. Azure DevOps experience is also necessary.

As a Technical Account Manager, you will serve as the primary technical point of contact for a portfolio of customers, driving technical initiatives aligned with their strategy. You will support product configuration, integrations, and best-practice implementation, translating business requirements into technical solutions.

Manages strategic client relationships, driving business growth by understanding client needs and delivering tailored energy solutions. Leads the full sales cycle, collaborates with internal teams, and ensures successful project delivery.

Lead Electronic Engineer will be responsible for hardware conception, design, and build of new products and systems. Tasks include electronic circuit design and analysis, PCB layout, simulations, and interaction with customer technical teams. Requires 6-8 years of experience in hardware electronic design and proficiency in Cadence Allegro.

The Brand Copy Project Specialist ensures the efficient execution of Camper's copy and product communication initiatives. This role coordinates projects across product, brand, digital, and content teams, improving workflows and processes. Responsibilities include leading product communication projects, overseeing content production, driving operational efficiency, and acting as a central point of coordination for copy and product communication projects.

Upstream Technician needed for biosimilar molecule production. Responsibilities include cell culture process development, cell clarification, and technical leadership for analysts. Requires a degree in a relevant field and 1+ years of experience in upstream activities. Must be fluent in Spanish and have working knowledge of English.

Sales Assistant for Antonioli's Ibiza store. Welcoming customers, providing sales assistance, product consultation, and restocking merchandise. Solid sales experience in luxury brands and knowledge of fashion trends required.

Annotate text and related data for AI Data Services. Fixed-term role (8 months) starting May 4th. Requires a linguistic background, 1 year annotation experience, and proficiency in text editors and spreadsheets.

Full-time Host/Hostess position in San Sebastián. Welcomes guests, manages reservations, coordinates seating, and ensures a positive dining experience.

Develops strategic narratives and executive-ready content for ABM programs across global strategic accounts. Translates complex themes into compelling messaging frameworks and content that resonates with multi-stakeholder audiences. Creates executive assets such as briefing documents, talking points, and value frameworks. Collaborates with agencies to ensure messaging coherence and storytelling quality.

Experienced Cloud Data Engineer needed for permanent/freelance role. Design, develop, and deploy data solutions on GCP. Expertise in data pipelines, BigQuery, SQL, Python, Airflow, and cloud architectures required.

Pareto.AI seeks an Applied Economist to evaluate an AI model's ability to replicate empirical economics research findings. Responsibilities include identifying suitable papers, writing prompts for the AI, and creating rubrics to assess its performance. PhD in Economics required, with hands-on experience in causal inference methods and familiarity with replication-friendly microdata.

UiPath Developer will design, develop, and maintain automation workflows for client projects. Requires 3+ years of UiPath experience (Studio, Orchestrator, Robots) and 5+ years of overall software development experience. Must have strong communication skills and be fluent in English.

Data Center Technician focused on logistics and warehouse support. Responsibilities include warehouse tasks, data entry, inventory control, asset tracking, and adherence to safety standards. Must have a high school diploma and 6 months of experience in inventory, retail, or warehouse management.

Content Designer needed for innovative e-commerce project. Collaborate with global teams to create clear, consistent, and user-focused digital experiences. 3-5 years of professional writing experience required.

We are seeking Sales Head and Sales Executives to drive market expansion in Spain. Sales Head will lead strategy, team management, and revenue growth. Sales Executives will develop customer relationships and promote agricultural solutions.

Azure Cloud Security Engineer will ensure the security and resilience of Azure Public Cloud infrastructure. Responsibilities include implementing Vulnerability Management processes, validating secure configurations, and using Infrastructure as Code. Experience with containerized environments, Git, Azure DevOps, Python, Bash, PowerShell, and Terraform is required.

The Concierge provides a five-star service to guests by responding to requests, offering personalized solutions, and arranging events, excursions, and transportation.

Salesforce Technical Lead needed for a Merkle & Dentsu company specializing in Customer Experience services. Provide technical support, design solutions, and ensure project success. 3+ years of Salesforce implementation experience required.