student English-speaking jobs in Castelló de la Plana

Drive sales growth and strategic partnerships for an innovative mobile communications company. Focus on IoT connectivity, eSIM, and secure networking solutions. Secure enterprise clients and navigate both short and long sales cycles.

Associate lawyer with 4-5 years of experience needed for a specialized aviation law firm. Responsibilities include drafting and negotiating aviation contracts, advising on regulatory and tax matters, and managing files. Must have a qualified lawyer status, fluency in English, and experience in cross-border transactions.

VORNVORN seeks a Sales Director to lead and scale operations in Barcelona, driving revenue growth, managing strategic accounts, and expanding across Spain and Europe.

Senior Mobile AI-First Engineer will build next-generation mobile applications for restoration professionals. Responsibilities include Kotlin Multiplatform/Compose Multiplatform development, native iOS/Android development, and cross-functional collaboration. Requires 7+ years of experience shipping Android/KMP applications, expertise in Jetpack Compose/Compose Multiplatform, and experience using AI tools like Cursor, Claude Code, or Copilot.

Enable high-performing Agile teams across transformation and operations initiatives. Facilitate sprint ceremonies, remove impediments, and foster continuous improvement within distributed, cross-functional teams.

Customer Operations Specialist needed for multilingual team in Barcelona. Manage customer service requests, including order status, repair/calibration requests, and product returns. Resolve customer issues and interface with various stakeholders. Must be bilingual in German or Nordics and English with 3+ years of experience in a fast-paced customer service environment.

Inbound Sales Development Representative manages and qualifies leads, understands business needs, and converts interest into sales opportunities.

The OEM Sales Manager develops and executes the HVAC division's OEM business strategy in Spain, focusing on partnerships with Original Equipment Manufacturers. The role involves achieving sales targets, identifying new customers, and strengthening existing relationships.

Clinical Trial Project Coordinator to assist with coordinating Central Lab projects, client communication, sample logistics, and documentation. Requires a Life Sciences degree, project coordination experience, and proficiency in English and MS Office.

Provides administrative support to the Executive Assistant and leadership team, managing calendars, scheduling meetings, arranging travel, and preparing reports. Supports onboarding, event coordination, and office operations. Requires strong organizational, communication, and interpersonal skills.

Senior Accountant needed for Family Office team. Responsibilities include performing accounting activities, ensuring compliance with accounting principles and standards, and managing department activities. Requires 8+ years of experience, strong knowledge of accounting and tax regulations, and proficiency in accounting ERPs.

Provide technical support and guidance to clients on EDB product lines and open-source PostgreSQL products. Manage and maintain PostgreSQL databases, collaborating with development teams to identify and resolve issues.

The Lyophilization Specialist executes and coordinates manufacturing processes, interprets analytical data, and performs specialized laboratory tests. The role requires experience in freeze-drying and laboratory equipment operation. The Specialist collaborates with other departments and contributes to process improvements.

Provides critical support to the D365 transformation program, ensuring coordination, follow-up, and delivery across multiple workstreams. Supports PMO activities, facilitates cross-team collaboration, and helps maintain execution discipline during key phases.

The Head of Legal will build and lead the legal function for a global technology company, focusing on intellectual property strategy, platform risk, and regulatory compliance. The role requires deep expertise in trademarks, copyright, platform enforcement, and anti-infringement strategy, as well as experience operating across U.S. and European legal environments.

Electrical Commissioning Engineer to carry out testing, inspections, and troubleshooting on electrical systems. Experience in LV/MV or HV systems, electrical testing & verification, and construction environments required.

Clinical Site Specialist supports global clinical trials by building relationships with investigators, site staff, and stakeholders. Ensures smooth study delivery, contributes to recruitment strategies, and supports monitoring oversight. Requires clinical research background, strong communication skills, and willingness to travel.

Lead kitchen operations for a destination restaurant in Marbella specializing in open-fire cooking. Develop and inspire a culinary team, championing quality, innovation, and authentic Spanish cuisine. Proven experience with open-fire cooking and a background in Spanish culinary traditions are essential.

The International Sales & PR Manager will develop and implement a commercial strategy for villas and plots in Europe, focusing on high-net-worth and ultra-high-net-worth individuals. The role involves managing the full sales cycle, cultivating relationships with agents, family offices, and private bankers, and representing the company at luxury events.

Senior Platform Engineer to design and build production-grade agentic AI systems for supply-chain traceability, sustainability, compliance, and verified claims workflows. Develop tools and services for agents to query data, call APIs, update workflows, and generate outputs. Collaborate with product, design, data, and customer-facing teams to turn real-world workflows into AI-powered features.