student English-speaking jobs in Castelló de la Plana

Hotel Manager to support the leadership and operational excellence of Casa METT Sitges. This role reports to the General Manager and will oversee the operational, financial, and strategic performance of the hotel.

Avincis seeks a Data Scientist to support the organization's data and AI needs. Responsibilities include gathering business requirements, designing ML/AI architectures, implementing solutions, and ensuring project alignment with evolving business needs. The role requires experience with data engineering, cloud environments (Azure preferred), and Python, SQL, and Pyspark.

Customer Service Representative will handle incoming customer contacts via phone, email, chat, and other channels. Responsibilities include resolving customer issues, logging call details, and maintaining service and product knowledge. Must be proficient in Dutch and English, have 1 year of customer service experience, and possess working knowledge of IT platforms and applications.

Senior Client Advisor for Etro's Barcelona boutique. Provide exceptional customer service, product knowledge, and brand expertise. Drive sales, build customer relationships, and contribute to store goals.

Experienced High-Stakes Poker Specialist sought to participate in and manage high-stakes poker sessions. Apply advanced game theory, probability analysis, and opponent modeling to maximize profitability. Analyze hand histories and game performance to improve long-term results.

Site Production Director to build and scale a new operational hub in Valencia. Responsibilities include site setup, team leadership, operational excellence, and managing local site operations. Requires 7+ years managing large call center operations and experience leading large production teams. Fluent French and English required.

Commissioning Manager or Deputy Commissioning Manager needed for international water and wastewater treatment projects. Lead or support commissioning activities, coordinate procedures, and supervise testing and handover processes. Requires proven experience in commissioning water treatment plants and international project experience. Full professional proficiency in English is required. French is a plus.

Freelance SAP Marketing Cloud expert needed for a 9-month remote project. Requires 10 years of experience with SAP Marketing Cloud Campaign Management and Marketing Operations.

Junior Project Manager supports bespoke furniture projects, coordinating clients, design, suppliers, and production teams. Requires project coordination experience, CAD familiarity, and fluency in English.

Leads user acquisition strategy for a portfolio of mobile games, maximizing ROAS and growing a high-performing team. Designs and implements UA strategies, identifies growth levers, and builds scalable media buying processes.

UST seeks 3 experienced Network Security Engineers for a consulting role. Responsibilities include firewall and load balancer configuration, security incident support, and process development. Requires C1 English, senior-level network security expertise, and experience with Palo Alto and CheckPoint firewalls.

Leads the definition of global standards for building systems (HVAC, fire protection, electrical) and their digitalization. Acts as a consultant for international business units, translating technical requirements into scalable solutions. Coordinates projects across Purchasing, IT, and Facility Management globally. Drives the use of digital tools for facility monitoring, focusing on cost optimization and reducing the carbon footprint.

Sales Assistant needed for Bimba y Lola store in Las Palmas de Gran Canaria. Provide excellent customer service, assist with sales, and maintain stockroom organization. Previous sales experience and fashion knowledge required.

Software Developer to design, develop, and maintain software solutions and microservices for the financial services sector. Experience in Java, C#, Python, C++, SQL databases, and cloud platforms (Azure or AWS) required.

Oversees the architecture, administration, maintenance, and optimization of enterprise applications, including Salesforce and Manhattan. Leads and develops a team, ensuring system stability, security, and scalability. Defines and enforces best practices for system administration.

Service Mobilisation Manager to lead end-to-end customer onboarding into live data centre environments in Madrid. Experience in data centre operations, project coordination, and stakeholder management required.

Senior Java and Angular developer for an international project. Implement user stories, review code, contribute to architecture, and participate in deployments.

Senior External Traffic Manager to own and scale profitable traffic to Amazon listings. Develop and execute a strategy focused on influencer, affiliate, SEO, and paid media channels. Track incrementality, profitability, and impact on organic rank.

Manages international bookings for corporate clients, coordinating reservations, client communication, and property provider relations.

DeepLLMData seeks Catalan and Spanish Translators and Linguists for remote, contract-based LLM annotation work. Responsibilities include translating audio, annotating text, ensuring linguistic accuracy, and supporting culturally appropriate output for AI models.