intern internship English-speaking jobs in Cartagena

Senior Product Designer to own end-to-end design for quizzes, lessons, pronunciation practice, and the learning map. Design reusable components, contribute to the Companion design system, and create detailed designs in Figma. Support experiments, work with product managers, engineers, and data analysts, and use research and data to inform design decisions. Requires 5+ years of experience designing digital products with a strong portfolio, expert-level Figma skills, and experience building and managing design systems. Mobile design experience (iOS and Android) is also required.

The Battery Cell OEM Project Manager oversees the development, integration, and delivery of battery cell projects with Original Equipment Manufacturers (OEMs). This role involves managing project timelines, coordinating cross-functional teams, and ensuring technical and quality standards are met. The Project Manager serves as the primary liaison between the company and OEM partners.

Interior Designers (Senior and Junior) needed to develop standardized hospital room models. Responsibilities include defining design guidelines, creating visual materials, and ensuring compliance with healthcare standards. Degree in Interior Design or Architecture, strong portfolio, and English C1 required.

Manages production of pharmaceutical products at external vendors (CMOs). Plans, manages, and drives Fill & Finish activities ensuring quality, scope, budget, and time adherence. Collaborates with cross-functional departments and builds relationships with internal and external stakeholders.

Innovation Manager will partner with the Innovation Director to execute and scale innovation initiatives in Spain and internationally. The role involves translating strategy into roadmaps, designing and testing products and services, and supporting the adoption of AI in business processes.

The Chief Operating Officer will lead global operations and execution across product, AdTech, and mobile gaming business units. The COO will partner with the CEO and Board to scale the organization while maintaining speed, accountability, and a strong product-driven culture.

Leads and coordinates global regulatory activities for a portfolio of high-technology biological products across Asia, Africa, the Middle East, Latin America, and Europe. Manages a team of regulatory affairs professionals and oversees the preparation and submission of registration dossiers. Develops regulatory strategies, interacts with regulatory authorities, and ensures compliance with international requirements.

Freelance Junior Project Manager to lead project delivery activities across the full lifecycle of a landmark data center megaproject. Oversee day-to-day execution, ensuring alignment between engineering, construction, suppliers, and the client. Fluency in Spanish and English is essential.

Gain hands-on experience in investment banking through a 10-week virtual internship. The program includes intensive training in financial modeling, valuation, and industry research, followed by eight weeks of work on live projects with a Managing Director or Partner at a boutique investment bank.

Aerodynamics Academy seeks two Flight Instructors: Developing Instructor with minimum 500 total hours and 200 instructional hours, and Senior Instructor with CRI and/or IRI privileges. Competitive salary, free accommodation, and stable roster offered. Must have EASA Unrestricted FI(A) and Class 1 Medical.

As a Sales Representative - Payments, you will generate new business and support existing clients by promoting Global Blue by Shift4's merchant servicing products, hardware, software, and professional services. Responsibilities include prospecting, setting appointments, closing deals, and building strong client relationships.

Junior Project Manager to manage multi-laboratory projects, ensuring on-time delivery, high quality standards, and excellent customer satisfaction.

VAT Manager for a globally recognized advisory firm in Madrid. Focus on high-value VAT advisory, structuring, inspections, and strategic positioning for multinational clients.

Senior UI/UX Designer will own UI/UX design for hybrid-casual mobile games from concept to production. Responsibilities include researching market trends, creating UI/UX flows, wireframes, and visuals, and mentoring artists. Requires excellent UI/UX sensibility, 2D art skills, and strong communication. Portfolio showcasing UI/UX work for hybrid mobile games, 2D game art, and paint-overs is mandatory.

Leads customer relationships, profitability, and cross-selling within existing business and engages with presales for new business development. Oversees end-to-end service delivery, ensuring quality, efficiency, and customer satisfaction. Manages the GDC portfolio, identifies upselling opportunities, and fosters strong relationships with internal stakeholders. Leads an experienced team organized into Tribes and Squads, each dedicated to specific customers.

Business Development Representative will call US companies and speak with IT managers, learning from sales experts at clients like Intel and Dell. Previous CRM experience is desirable but not required. Must be able to work in Spain legally.

Junior In-House Multimedia Designer will create visual assets for a food biotech company. Responsibilities include developing print and digital content, motion graphics, and video. Requires proficiency in Adobe Creative Cloud and a degree in Multimedia or Graphic Design.

TechTeamz seeks a Digital Verification Engineer for a remote contract position. The role involves IP or SoC level verification for a leading innovator in high-performance, low-power intelligent processing solutions.

Project Manager to lead security and infrastructure software projects globally. Define scope, timelines, budgets, and risks. Coordinate cross-functional teams and ensure delivery of high-impact projects.

DevOps / Infrastructure Engineer to lead Quipu's infrastructure. Manage Infrastructure-as-Code, deployments, and legacy component migration. Support engineering teams with environment provisioning, CI/CD, and debugging.