hr English-speaking jobs in Castelló de la Plana

People & Culture Trainee will support the corporate People & Culture team in Europe, North Africa & Turkey. Responsibilities include managing job postings, screening applications, scheduling interviews, and collaborating on onboarding plans.

Sr. Consultant to support industrial and aerospace projects in Castilla-la-Mancha. Focus on embedding human and organizational factors into the design, assessment, and improvement of technical and organizational systems.

Architect to collaborate on electromechanical projects from tendering to construction. Responsibilities include architectural design, Life & Safety design, drawing production, and technical/commercial study. Requires experience in architectural design for industrial/utility buildings, Life & Safety design based on NFPA standards, and proficiency in AutoCAD and MS Office.

Mechanical Design Engineer needed for R&D Center. Responsibilities include designing non-standard automated systems for fruit and vegetable sorting and processing. Requires 10+ years of experience in mechanical design, proficiency in CAD software (SolidWorks, AutoCAD), and strong knowledge of mechanical principles.

Lead the company's full monetization strategy, including ad revenue optimization, demand partnerships, and product-driven yield performance. Translate data into decisions that drive revenue growth while shaping the platform's monetization of mobile traffic. Manage and grow a cross-functional team of monetization, data, and product specialists.

Phone sales agent needed for new aparthotels in Madrid. Must have 1+ year of phone sales experience, excellent communication skills in Spanish and English, and be able to drive successful leasing.

PR Trainee to support UK brand presence. Responsibilities include influencer research, gifting, press coordination, event execution, and writing press releases. Must have strong UK market understanding, native or near-native English, and excellent communication skills.

Senior Data Scientist/AI Engineer specializing in AI Safety to lead adversarial testing, risk assessment, and safety evaluations for LLM- and agent-powered chatbot systems. Focus on ensuring AI technologies are safe, reliable, and aligned with business and user needs.

Junior Graphic Web Designer will support brand consistency across all channels. Responsibilities include creating website, presentation, and marketing assets, updating the website, and ensuring visual consistency.

Senior Software Engineer will lead full-stack development of Share's next-generation internet platform. Responsibilities include architecting and implementing backend services, integrating databases, and designing data pipelines. Requires 5+ years of experience in full-stack development, expertise in React, Node.js, and Python, and experience with SQL and NoSQL databases.

Account Manager to manage OPPO's 1P business with Amazon EU. Responsibilities include business negotiation, PO processing, order fulfillment coordination, and collaborating with Amazon teams. Requires 3-5 years of 1P eCommerce experience, strong data analysis skills, and fluency in Spanish and English.

Part-time on-site Content Creator, Designer & Community Manager in Barcelona. Create engaging content, manage social media, and foster community growth. Collaborate with marketing and product teams.

Build and scale Balance's B2C marketing engine, owning user acquisition strategy across multiple channels. Optimize customer acquisition cost (CAC) and lifetime value (LTV) metrics. Develop and execute organic and paid marketing strategies, manage marketing budget, and collaborate with cross-functional teams.

Operations Intern will maintain data integrity and drive efficiency across international markets. Responsibilities include providing customer support, scheduling appointments, and explaining products and processes. Must have knowledge of spreadsheets and large datasets, be detail-oriented, and have professional English and Spanish communication skills.

Business Development Representative to drive outbound prospecting, qualify leads, and exceed KPIs in the UKI market. Must be proficient in English, tech-savvy, and comfortable with cold calling, email, and LinkedIn.

The Regulatory Affairs Specialist will manage Spanish regulatory submissions and act as the primary liaison with AEMPS. This role will also lead EU regulatory activities, managing submissions and lifecycle processes across multiple markets.

Senior Modern Workplace Engineer will design, improve, and maintain the modern workplace architecture across Microsoft 365, Entra ID, and Intune. Responsibilities include identity and access management, endpoint and device management, Microsoft 365 administration, collaboration, and continuous improvement.

Experienced freelance Clinical Research Nurses needed for an Acute Ischaemic Stroke study. Conduct patient visits, perform procedures, process samples, and document activities. Must have 3+ years nursing experience, 1+ year acute clinical experience, and a valid GCP certificate. Previous clinical trial experience preferred.

Leads sales function for a real estate developer, driving revenue growth across local and international markets. Develops and executes sales strategies, oversees sales operations, and builds strong networks. Requires a bachelor's or master's degree and a minimum of 5 years of proven sales experience.

Leads quality assurance and control activities for generator manufacturing, ensuring products meet data center standards. Manages quality systems, drives continuous improvement, and acts as the primary quality interface with customers, auditors, and regulatory bodies.