software developer English-speaking jobs in Castelló de la Plana

Mechanical Engineer Trainee will assist in preparing technical specifications, coordinating with other disciplines, and ensuring contractual requirements are met.

Develop PR strategies, manage influencer relationships, and support press activities for Desigual. Collaborate on events, analyze PR outcomes, and assist with press kit preparation and distribution.

Lead a 30-person creative team, developing and executing a creative vision across multiple channels. Manage budgets, oversee project workflows, and ensure brand consistency. Translate performance data into impactful campaigns and mentor a diverse team of designers, copywriters, and multimedia specialists.

The Safety Engineer ensures compliance with H&S requirements during construction and installation activities. The role translates corporate policies into project-specific safety requirements and monitors contractor compliance with applicable laws and project documentation. The Safety Engineer leads on-site H&S supervision, coordinates with authorities and project teams, and escalates critical risks.

Key Account Manager will grow and strengthen relationships with strategic industrial automation customers in northern Spain & Basque Country.

Conduct test drives of prototype and pre-series vehicles for ADAS and autonomous driving functions. Validate test results and document findings. Collaborate with internal and external teams on projects.

As an Inbound Sales Development Representative, you will be the first point of contact for prospective customers, responding to inquiries, qualifying leads, and scheduling demonstrations. You will articulate the company's value proposition and manage your pipeline in a CRM system.

Project Planning Manager will update full schedules for medium and high criticality projects, collaborating with Project Managers, Operations, Sub Systems Manager and Chief of Development. The role requires strong communication skills, schedule analysis and trade-off expertise, and proficiency in scheduling software tools.

Client Advisor for Emporio Armani corner in El Corte Inglés Marbella. Provide excellent customer service, advise on collections, and build customer relationships. Must have at least 3 years of experience in fashion sales.

Solution Specialist will work with small and medium-sized companies, presenting cloud solutions and technical expertise to advance customer engagement. Requires proficiency in Flemish and English, 3-6+ years of technology sales experience, and a Fundamentals certification.

Assures compliance with GMP, regulatory, and internal standards. Develops and reviews SOPs, manages documentation, and supports CAPA, PQR, and Change Control activities. Provides support for audits, inspections, and customer/authority requests.

Operations Director to oversee 2-4 luxury hospitality venues in Southern Spain. Responsible for operational excellence, guest experience, and team leadership across multiple premium sites. Proven experience in luxury hospitality operations and strong people leadership required.

AVL Iberica is seeking University talents for its 2026 Job Fair. We are looking for Bachelor's or Master's Degree graduates in Engineering (Mechanical, Electrical, Mechatronics, Vehicle Technology, Computer Science) with strong communication and teamwork skills. Proficiency in Spanish and English is required, with German or French being a plus.

Technical Office Lead for MEP works on a major European sports infrastructure renovation project. Lead technical and commercial management, coordinate with Design and Procurement, prepare budgets, monitor progress, and ensure cost control.

The Key Account Manager – Spain (m/f/d) will drive revenue and build customer relationships in Southern Spain. This role involves understanding client requirements, proposing cybersecurity solutions, and expanding the sales pipeline. The ideal candidate has 5+ years of experience in B2B sales of complex products, excellent communication skills in Spanish and English, and a strong understanding of IT security or cloud services.

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.

Principal Data Engineer to design and implement data pipelines, microservices, and information architecture for intelligent agents combating disinformation. Serve as a technical reference, mentor teams, and define the company's data infrastructure roadmap. Requires 10+ years of experience building production-grade software, proficiency in Python, SQL, NoSQL, and cloud platforms, and fluency in Spanish and English.

Lead on-premise deployments in complex, multi-system environments. Ensure product adoption and operational impact. Solve problems on-site and translate operational needs into product decisions. Lead a team and coordinate technical, operational, and business profiles.

System Design Engineer will design and develop RF test solutions for aerospace and defense customers. Responsibilities include architecting, designing, and developing solutions, collaborating with customers, and contributing throughout the project lifecycle. Requires a Bachelor's or Master's Degree in Electrical & Electronic Engineering and 5+ years of experience in a relevant field.

Design, develop, and optimize machine learning models for object detection, segmentation, and classification. Research, implement, and enhance computer vision and numerical algorithms. Build computer vision software systems and analyze data to monitor and evaluate performance.