intern internship English-speaking jobs in Cartagena

Introduce prospective clients to ADP's solutions and expert guidance. Build relationships and win new business from Fortune 100 organizations to small businesses.

R&D Tester needed for a biotechnology company in Barcelona. Evaluates and tests in vitro diagnostic instruments. Requires a degree in Biotechnology, Biomedicine, or similar, advanced English, and 2+ years of experience with IVD equipment. Must be available for the afternoon shift.

Junior Investment Associate to support buy-side and sell-side M&A processes, financial modeling, valuation, and due diligence for energy transition companies.

Support the expansion of Springboard35's partner network by identifying, engaging, and activating potential partners. This role involves outbound prospecting, lead qualification, and supporting outreach and engagement processes.

Social Media Specialist needed for a global client. Manage, translate, and schedule social media content, ensuring compliance with deadlines. Coordinate with headquarters, agencies, and internal teams.

The PR Intern will support the execution of the global PR and communications strategy. Responsibilities include showroom and sample management, community event support, media coordination, and administrative tasks.

Leads and optimizes port agency operations in Spain, ensuring operational excellence, service quality, and compliance with company standards. Manages multi-site teams, implements global workflows and digital tools, and collaborates with stakeholders.

National Key Account Manager to lead commercial strategy and sales growth in Spain. Develop and execute B2B partnerships across various channels, including distributors, retailers, and e-commerce. Build and structure commercial activity for a newly established subsidiary.

Full Stack Engineer to design, develop, and integrate software solutions for autonomous robots. Requires 3+ years of experience building web applications, strong JavaScript and TypeScript knowledge, and experience with React, Node.js, and AWS. Must have experience with RESTful APIs, video technologies, and Git. Fluent in English and Spanish.

Part-time, remote B2B SaaS Appointment Setter to identify and contact UK wedding venue owners, schedule demos, and maintain client records. Requires cold calling experience, 2+ years B2B/SaaS experience, and strong communication skills.

Lead terminal activities in Spain, overseeing RoRo and general cargo operations in a highly advanced, automated environment. Drive safety, quality, productivity, and customer service while managing teams and ensuring operational excellence.

The Hotel Development Office Project Manager will design and execute project plans for hotel renovations, new constructions, and styling projects. Responsibilities include resource allocation, budget management, risk mitigation, and reporting.

Supply planning trainee will learn purchasing needs analysis, calculate orders, and assist in product segmentation and automation feasibility studies.

Field Clinical Specialist to support catheter-based cardiovascular therapy clinical trials in Europe. 4-10 years' experience with catheter-based therapies and interventional procedures required.

R&D Technician to assemble, test, and support robotic surgical prototypes. Minimum 2 years experience in mechanical and/or electromechanical assembly required. Experience in the surgical robotics sector preferred.

Operations Manager to oversee day-to-day activities of the Spanish legal entity. Ensures compliance with legal, regulatory, and corporate governance requirements. Manages financial approvals, coordinates legal documentation, and supports HR administrative processes.

Full Stack Engineer needed for a booming English proficiency testing platform. 7+ years of experience required. Develop and maintain scalable code, collaborate with stakeholders, and mentor team members. Expertise in Java, Play3 Framework/Spring Boot, MongoDB, AWS, Angular, React, and React Native is essential.

Leads and manages a sales organization of 30+ professionals across B2B and B2C channels. Develops and executes the commercial strategy for the Iberia region, including P&L responsibility. Requires 10+ years of senior commercial leadership experience in HVAC or related industries.

Senior front-end developer to lead the evolution of product and customer-facing applications. Requires 10+ years of front-end development experience, at least 5 years leading projects or teams, and expertise in the React ecosystem. Responsibilities include defining implementation standards, guiding the development team, and ensuring front-end architecture supports scalability, maintainability, performance, and a high-quality user experience.

Customer Service Agent needed for Via Campaign in Barcelona. Provide first-line support via phone, email, and digital channels to US customers. Must have high fluency in English (C2) and a customer-first mindset.