student English-speaking jobs in Castelló de la Plana

Product Owner to define and deliver payment initiation and execution features for an open banking platform. Will own the product backlog, collaborate with engineering and compliance teams, and drive roadmap for payments. Requires experience as a Product Owner in payments, fintech, or banking.

About the company Biorce is a pioneering Healthtech company dedicated to revolutionizing drug development through the power of AI. We are passionate about accelerating medical advancements and improving patient outcomes.

Develop 3D game and simulation features using Panda3D. Create custom tools and gameplay systems with Python or C++. Collaborate with developers, artists, and researchers.

Lead VIP operations in Ibiza during the 2026 season, providing exceptional service to premium clientele. Manage reservations, logistics, and an operational team.

TransPerfect seeks a Director of Business Development to identify and engage with client prospects, manage client relationships, and achieve sales targets. The role requires 3+ years of successful sales experience, superior communication skills, and the ability to present and sell TransPerfect's digital solutions.

Application Software Developer for on-board satellite software development. Experience in programming space software (C/C++) and fluency in English required. Initial collaboration with Airbus colleagues in Friedrichshafen (Germany) followed by work in Madrid.

The Head of Supply Chain will optimize inventory levels, control logistics costs, and lead Logistics and Demand Planning teams. This role requires a minimum of 10 years of experience in supply chain management, logistics optimization, and team leadership.

Freelance graphic designer needed for European Blockchain Convention. Create visually engaging designs and online marketing campaigns. 2-3 years digital design experience required.

Construction Cost Manager to oversee capital expenditure for new build and refurbishment projects in hospitality and retail. Manage project budgets, cost planning, procurement, and financial performance.

Leads end-to-end data projects, coordinating teams and delivering integrated solutions. Acts as liaison between commercial and technical teams, translating customer needs into proposals. Drives the strategic definition and activation of digital measurement and analytics solutions.

Cybersecurity GRC Manager to lead regulatory framework adaptation, define information security strategy, and conduct risk analysis. Requires 8+ years in information security, technical degree, and industry certifications (CISA, CISM, CRISC).

Sales Agents are sought for a premium interior scent brand with a recurring revenue model through fragrance refills. Agents will focus on established relationships in interior design stores, concept retail, boutique hotels, and with architects and interior designers.

Technical Aerothermal Engineer sought for a leading renewable energy platform in Spain. Core responsibilities include providing technical expertise during sales, developing B2B opportunities, and managing projects from proposal to implementation. Requires engineering degree, experience with aerothermal systems, and some commercial experience.

Fastned seeks a Senior Process Automation Specialist to establish automation standards and build process architecture. Responsibilities include process analysis, improvement, and automation solution design and execution. The role requires 5-8 years of experience in process management, automation, or improvement, proficiency in relevant tools, and strong stakeholder management skills.

Part-time Finance Administrative Assistant needed for a remote role (ideally based in Madrid). Manage accounts payable/receivable, bank reconciliations, and monthly financial statements. Implement digital process improvements and assist with XERO implementation. Bachelor's degree in Accounting/Finance and 5+ years of experience required.

The Chief Product & Technology Officer leads product strategy, portfolio management, and roadmap decisions for a DeFi ecosystem focused on financial freedom. This role defines product direction, ensures product quality, and drives execution across product, design, and engineering teams.

Accounting & Reporting Analyst will lead the Record-to-Report (R2R) cycle, own Cash-to-Cash (C2C) reporting, and prepare statutory financial statements. The role supports the Annual Accounts (Cuentas Anuales) and delivers management and Group reporting packages.

Technical professional with customer success and AI/ML experience needed to enable clients and internal teams using an Agentic AI platform. Responsibilities include supporting agent design, troubleshooting, and driving platform adoption. Requires software engineering, DevOps, or platform engineering background and 2-4 years of customer-facing experience.

Turing seeks a Spanish Voice Actor to record voice-overs for AI projects. Responsibilities include interpreting scripts, delivering high-quality audio files, and revising performances based on feedback. Applicants must have previous voice acting experience, strong vocal control, and access to quality recording equipment.

Fatigue & Damage Tolerance Structural Analyst to join the RFE Stress Team. Develop and validate innovative design solutions for aircraft structures, ensuring safe operation and structural integrity. Analyze composite and hybrid structures, define and interpret tests, and interface with stakeholders. Requires a minimum of 5 years of engineering experience, with at least 3 years in F&DT.