intern internship English-speaking jobs in Cartagena

We are looking for a motivated Business Development Representative to join our fast-growing digital marketing agency. Based in Madrid, you'll focus primarily on the Irish market, speaking directly with business owners and helping them see the clear ROI of our solutions. The role offers a strong base salary plus generous commissions and a structured pathway into a closing role.

Senior Optimization Scientist We are seeking an experienced Senior Optimization Scientist to design advanced optimization models and algorithms that solve complex engineering and operational challenges.

GBSB Global Business School is an international higher education institution with campuses in Spain and Malta that offers business programs in English at undergraduate (Bachelor) and graduate (Master) levels. Our programs encourage, nurture, and develop the innovative potential our students possess and prepare them for the careers in the global economy.

We are looking for a dynamic and organized Marketing & Communication Intern to support the animation of SomethingAdded. Reporting directly to the Marketing & Communications Manager, you will play a key role in the day-to-day execution of our marketing initiatives in collaboration with our network of partners.

(INTERN) Project Engineer – Development & Asset Management Velto Renewables (Velto), a subsidiary of CDPQ (Caisse de Dépôt et Placement de Québec), is looking for a Project Engineer (intern) to join its team in Madrid, and to assist in the Asset Management Team in Madrid. Velto Renewables is a renewable energy independent power producer with a long-term asset ownership strategy.

Therapy Development Manager/Regional Sales ManagerLocation: Spain & Portugal (Iberia – National remit)We are seeking a highly driven and entrepreneurial Therapy Development Manager to lead the launch, development, and scaling of an innovative Class III implantable therapy across Spain and Portugal.

Company Description Micasso Baby Club offers music classes in English designed specifically for babies and young children, from newborns to 4 years old. These classes provide a unique opportunity for families to bond while creating joyful memories through interactive and musical experiences. Our focus is on fostering cognitive, emotional, and social development in early childhood.

About RevolutPeople deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 45+ million customers get more from their money every day.

Who are we: Neotalent Conclusion is one of the leading Iberian specialists providing services in Information Technology and Engineering services.

We are looking for a Power BI Developer to contribute to our mission of enabling smarter decision-making in fast-moving consumer goods (FMCG) companies by offering innovative Software-as-a-Service products based on granular, near real-time, omnichannel consumer purchase data.

Site Reliability Engineer – Barcelona, HybridJoin a leading global travel technology company that’s transforming the way businesses manage travel. You will be working with cutting-edge platforms combined with world-class travel inventory with powerful management tools, delivering freedom for travellers and control for companies, saving time, money, and hassle for everyone.

***This is initially a Fixed Term Contract until the end of June 2026 - Hybrid from a new site in Zaragoza*** Responsibilities Lead cross-functional teams of engineers and machine learning practitioners to deliver impactful LLM and AI solutions for top-tier industry clients.

WHO WE ARE At SAME Solutions we are on a Mission to save the world from boring security training. We produce interactive security eLearning and video content globally and customize the same to large multinational clients.

Field Application Specialist Invenia Group Spain (Remote) Do you want to work for an innovative company at the forefront of clinical genomics, dedicated to improving patient care through cutting-edge AI-driven solutions?

We are looking for a SENIOR LOGISTICS/OPERATIONS MANAGER willing to participate in the growth of an important e-commerce Logistics Operations Center of a top customers in the south of Madrid.

NTT DATA is a team of more than 139,000 diverse professionals, operating in more than 50 countries throughout the world. The sectors where we have activities include: telecommunications, finance, industry, utilities, energy, public administration and health. Our mission?

Job DescriptionYour role To support our Daylight PMS Implementation team, we're looking for an experienced and dynamic Daylight PMS Hospitality Implementation Consultant to play a key role in delivering successful PMS implementations for hospitality clients across the EMEA region.

Company description:Mondrian & Hyde IbizaJoin us for a unique opportunity to showcase two one-of-a-kind lifestyle hotel brands coming to the idyllic Cala Llonga beach in Ibiza. Mondrian Ibiza is a sleek wonderland with 154 guest rooms and highly designed public spaces, including an expansive terrace with bay views.

We are looking for a Senior Software Engineer to join our team! Your responsibilities: Designs, develops, modifies, adapts and implements short- and long-term solutions to information technology (IT) needs through new and existing applications, systems architecture, network systems and applications infrastructure.

BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them.