hr English-speaking jobs in Castelló de la Plana

Senior Software Engineer will design, develop, and deliver solutions to enhance the scalability, availability, and efficiency of the HiveMQ software platform. Responsibilities include architecting, building, and maintaining software for global IoT deployments, developing self-healing systems, and identifying performance bottlenecks. Requires 5+ years of experience in architecting, developing, and delivering robust backend applications in a JVM environment. Experience with technologies like NoSQL, Kafka, Kubernetes, and ArgoCD is essential.

The Association Manager supports the Officers and Council, managing secretariat activities, operations, and stakeholder communication. Responsibilities include meeting coordination, executive support, project management, communications, financial coordination, membership management, and stakeholder engagement.

Manage and process insurance claims, providing customer support and ensuring compliance with regulations.

4sfera Innova seeks two Consultants: an Environmental Assistant Consultant (Junior) in Girona and an Air Quality Consultant (3+ years experience) with potential for remote work. Both roles involve data handling, analysis, report writing, and project support. The Air Quality Consultant will also manage projects, conduct assessments, and interact with clients.

Senior Software Engineer to shape mobile architecture, serverless backend, and engineering standards at a rapidly growing company. Experience with React Native, TypeScript, Node.js, AWS Lambda, and AI product features is required.

Learning Support Assistant Teacher needed for a small Grade 5 class at an American School in Spain. Must be a fluent English speaker with a valid work permit.

Mechanical Design Engineer needed for PTC Creo / Windchill environment. Design, develop, and improve mechanical components and assemblies. Experience in industrial machinery or capital equipment preferred.

Salesforce Marketing Cloud Consultant (Business Analyst) needed to provide business analysis services for clients. Evaluates business processes, develops solutions, and collaborates with stakeholders and developers. Requires 2+ years of Salesforce Marketing Automation experience, 1+ Salesforce certification, and strong communication and analytical skills.

Designs and validates thermal architectures for optical payloads and satellites to ensure mission success. Performs thermal calculations, simulations, and test planning. Contributes to satellite design, AIT activities, and operational planning.

An Associate Site Manager Early Development serves as the primary contact between the sponsor and investigational sites for the conduct of Early Development and/or Clinical Pharmacology studies. Responsibilities include site assessments, pre-trial assessments, site initiation, subject recruitment and retention, monitoring, and close-out. The Associate Site Manager ensures site staff have necessary training and collaborates with the Clinical Trial Assistant, Trial Manager, and Trial Delivery Leader to ensure overall site management.

The Climate Change Specialist supports ALS's climate strategy by developing climate-related targets, transition plans, and disclosures. The role collaborates with stakeholders to develop climate action plans and contributes to climate-related reporting.

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.

Field Service Engineer needed for on-site installation, commissioning, and technical support of power equipment. Requires electrical or mechanical engineering degree, 2+ years experience, and fluency in Spanish and English.

Event Project Manager for a Destination Management Company (DMC) specializing in tailor-made experiences, corporate events, and incentive travel programs across Spain. Plan, coordinate, and execute bespoke events, manage logistics, budgets, and timelines, and serve as the main point of contact for clients.

Drive topline growth by owning the full sales journey, from prospecting to closing deals. Identify high-potential leads and execute outbound campaigns using modern automation tools. Turn curiosity into long-term partnerships by acting as a trusted advisor to prospective clients. Maintain meticulous records in the CRM to ensure accurate forecasting.

Electronic Engineer to join a new-generation battery startup developing sodium-ion storage systems.

IT Specialist will support the centralization of telecommunications provider management in Europe, process contract terminations, and manage connections. Requires initial professional experience in IT, ideally in telecommunications services, and knowledge of mobile device and certificate management.

The Assistant Store Manager will support the Store Manager in driving sales, enhancing customer experience, and managing the store in their absence. Responsibilities include customer service, stock management, visual merchandising, and communication with the Area Manager and HQ.

Project Manager to lead the delivery of utility-scale Solar PV and BESS projects (20MW+) in Spain. Full ownership from Ready-to-Build through construction and commissioning. Experience managing utility-scale Solar PV projects and EPC contracts required. Fluent Spanish and English essential.

The Product & Site Coordinator bridges product strategy and on-site execution for casino games, promotions, and content. This role manages provider relationships, coordinates launches and promotions, and optimizes product display.