student English-speaking jobs in Castelló de la Plana

Go Developer needed for a remote, full-time/freelance/contract role. Develop and maintain backend services for a cloud-based SaaS platform in the automotive recycling industry. Requires 4+ years of backend development experience, with at least 3+ years in Go (Golang).

Retail Store Supervisor to manage daily operations, sales, customer service, and team development. Must have retail leadership experience, excellent communication skills, and fluency in Spanish and English.

Engineering Intern will develop and deploy AI solutions, optimize algorithms, and collaborate with clients on projects spanning various industries.

Generate new business and close deals for a Barcelona-based AI startup helping private medical clinics. Manage the full sales cycle, from discovery calls to closing deals.

Full Stack Engineer with expertise in .NET, React, and Microsoft SQL Server needed for financial sector projects. Responsibilities include application development, financial domain knowledge, platform modernization, client portal development, and internal tool integration. Must have strong SQL Server skills, .NET/REST API development, React experience, and financial sector experience.

This Junior Financial Controller role offers a unique opportunity to develop accounting and financial skills within a group of two companies. Responsibilities include managing the full accounting cycle, participating in monthly closings, and preparing financial reports.

Manage and resolve delinquent accounts, ensuring closure in line with established procedures and quality standards. Contribute to operational projects and continuous improvement, providing feedback from daily operations. Apply defined processes and procedures for the execution of the Collections Strategy.

Billing & Admin Specialist will own internal billing operations, automate processes, and collaborate with external accounting support. Requires 3+ years of experience in administration, operations, or billing, with a strong understanding of billing processes and invoicing.

Lead the electromechanical design of substations, ensuring functionality, reliability, and compliance. Develop 3D models, review technical specifications, and provide recommendations throughout project phases. Collaborate with teams on change and claim management.

Finance professional to join FP&A team, reporting to the FP&A Director. Will partner with Commercial, Supply Chain, Product Management, and Production. Responsibilities include corporate reporting, leading the Global S&OP process, and optimizing sales and procurement strategy.

Inside Sales Representative will provide expert account management, develop relationships, research sales opportunities, and prepare proposals. Must be proficient in German and have a solid sales background.

ING is seeking a Frontend Engineer to design, develop, and test application components, ensuring functionality, quality, and performance. Responsibilities include delivering production-ready software, supporting production by fixing bugs, and contributing to technical discipline. The ideal candidate has extensive experience in JavaScript, HTML, CSS, and frontend frameworks (Angular 8+, ReactJS, Polymer, or Lit-HTML/Lit-Element). Knowledge of test-driven development, REST, web services, and continuous integration tools is required. Strong communication skills and experience in Agile/Scrum are also essential.

EU Business School seeks a CRM & Marketing Operations Lead to lead the migration from HubSpot to Microsoft Dynamics 365. This role involves data mapping, system architecture, and building automated workflows for global email marketing campaigns. The ideal candidate has 3+ years of experience leading CRM migrations, proficiency in HubSpot and Microsoft Dynamics, and strong copywriting skills.

Allfunds seeks an experienced Labor Relations Specialist to ensure compliance with labor laws and collective agreements globally. The role involves counseling employees and managers, developing employee relations programs, handling complaints, and collaborating with legal counsel.

Clinical Support Specialist provides in-person and remote clinical support for IVL procedures, delivers training programs, and collaborates with medical professionals. Requires a diploma or degree in a related field, minimum 2 years' experience in interventional cardiology, and fluency in English.

Inside Sales Account Manager will work with field sales teams and partners to identify and advance new project opportunities. Responsibilities include qualifying leads, managing the sales pipeline, and converting inbound inquiries into sales leads.

The Guest Experience Assistant manages the entire guest journey, from pre-arrival to post-departure, ensuring a premium and attentive experience. This role involves resolving guest requests, coordinating with internal teams, and maintaining detailed property knowledge.

Experienced DevOps Engineer/SRE needed for a contract-to-hire role. Expertise in AWS, Terraform, Docker, Kubernetes, and monitoring tools (Datadog, Prometheus, Grafana, ELK) required. Lead incident response, conduct root cause analyses, and design automation frameworks.

Market Research Associate to support global research team in qualitative and quantitative projects. Program surveys in Qualtrics and SurveyMonkey, write discussion guides, conduct desk research, analyze data in Excel, and assist with reporting.

Leads the global go-to-market launch of Unit4's AI-native architecture, a company-wide 18-month initiative. Owns the GTM strategy and execution, translating technical innovation into market narratives and demonstrating commercial value. Builds and leads a product marketing function, shaping market perception through analyst relations and establishing scalable GTM disciplines for future innovation.