hr English-speaking jobs in Castelló de la Plana

Part-time Marketing & Social Media Intern to manage Instagram and TikTok presence, identify and engage influencers, and support influencer marketing campaigns.

Supports the Quality Management Manager in implementing quality systems, ensuring compliance with food safety standards. Manages quality assurance processes, conducts audits, and contributes to continuous improvement initiatives.

Junior Finance Manager to support monthly, quarterly, and annual financial reporting. Ensures accuracy of local financial data and prepares management reporting packages. Oversees statutory accounting requirements and compliance with Spanish regulations. Collaborates with Group Finance and local operations.

Customer Success Agent will onboard new EF English Live students, provide platform support, and ensure student engagement. Responsibilities include hosting webinars, managing student payments, and resolving technical or teacher-related issues. Must be a native German speaker with advanced English communication skills and a passion for customer experience.

Freelance Business Development Representative to build and manage a pipeline of qualified prospects across European markets through outbound outreach.

Maintains inventory records, receives and verifies merchandise, and ensures timely dispatch. Organizes and labels goods, processes documentation, and participates in fiscal inventories. Supports sales by providing product presentations and assisting with customer service.

Finance Lead oversees financial reporting, analysis, and performance management for multiple business segments. Ensures regulatory compliance, accurate accounting records, and effective control of segment P&Ls, cost centers, cash flow, and working capital.

Freelance Project Specialist needed for day-to-day project coordination and execution. Responsibilities include overseeing translation, managing assets, and ensuring timely project delivery. Requires experience in Quality Control, DAM systems, localization projects, and strong communication skills. Must be available during business hours.

Contribute to increasing IT logistics capabilities by defining, harmonizing, and governing SAP WM/EWM/LE solutions. Lead solution design and governance, promote standard SAP solutions, and engage with stakeholders to translate business needs into integrated solutions.

Field Service Engineer to support customers in northeastern Spain, traveling primarily in the southeast and occasionally to Portugal. Responsibilities include installation, maintenance, and optimization of sensor-based sorters. Requires a technical degree, proficiency in Spanish and English, and a full clean driving license.

Skilled Rust Engineer needed to build and maintain next-generation WebAssembly infrastructure. Experience with WebAssembly, WASI, Emscripten, and POSIX required. Strong ownership and communication skills essential.

Category Manager will analyze market trends, consumer behavior, and competitive dynamics to develop category strategies and support commercial teams. Requires a Bachelor's degree, 3-5 years of experience in FMCG, category management, or consumer insights, and strong analytical and communication skills.

Lead and coordinate engineering projects for plant modifications, improvements, and new equipment installations. Manage cross-functional teams, ensuring projects are completed on time, within budget, and in compliance with regulations.

Shape the future of digital finance as a Developer Relations professional. Engage, educate, and inspire the developer community, building trust and driving adoption of Tether's innovative technology.

Embedded Software Engineer Intern will design and test real-time software for space-grade hardware. Responsibilities include developing embedded software for data acquisition, telecommand, telemetry, and actuator control, as well as integrating and validating communication interfaces.

Senior Project Manager needed for 10-12 month contract (€90k-€100k hourly). Manage consulting projects for Midmarket and Named Account customers, ensuring on-time, on-budget delivery and customer satisfaction. 5+ years of Project Management experience in Professional Services/Consulting required. Fluency in English, French, and Spanish mandatory.

The Sustainability Technician will implement and maintain environmental and energy management systems (ISO 14001 & 50001) across the organization. Responsibilities include overseeing the HQ Environmental Management System, coordinating certifications, leading internal audits, consolidating environmental reporting, and supporting carbon footprint calculation and ESG reporting.

Frontend Developer (Mid Level) needed for a remote contract role. Build user-friendly interfaces for websites and internal tools, ensuring cross-browser compatibility and mobile responsiveness. Collaborate with cross-functional teams and write clean, maintainable code.

Senior UX/UI Designer needed for international project. Design engaging digital experiences, conduct user research, and create prototypes. Must have 7+ years of experience, proficiency in Figma, Sketch, and Adobe Creative Suite, and strong communication skills.

Water Engineer needed for industrial projects in metals and minerals. Responsibilities include hydraulic modeling, design, and analysis of water systems. Requires a Bachelor's degree in a relevant field and 4+ years of experience.