intern internship English-speaking jobs in Cartagena

Company: Sanoma Learning Job Title: Senior Human Resources Business Partner Location: Madrid Reports to: HR Director About the Company We are a leading company in the education sector, specializing in the development of learning solutions for the K-12 space.

Join the engineering team building Unisys Order Manager (OM), a cloud-native, microservices-based application hosted on AWS, supporting Airlines’ transition to Modern Airline Retailing. OM is designed for high availability, scalability, and security, integrating with legacy systems and modern APIs under strict compliance and observability standards.

About Nextmol Nextmol is a spin-off company of the Barcelona Supercomputing Center, offering advanced services in Molecular Simulation and Artificial Intelligence applied to chemistry. We are developing a cutting-edge software platform designed to accelerate the design and discovery of new chemical compounds.

Ultima Markets is a multi-asset trading platform with various global offerings to adapt to investors from all walks of life. Investors trading on our platform get access to CFD financial instruments, including Forex, Commodities, Indices and Shares. As a client-oriented broker, we aim to offer a wide range of products to suit the needs of various clients.

Its European division is headquartered in Hoofddorp, the Netherlands, and has adopted a proactive growth strategy through its dedicated sales, marketing, technical support and logistics team. EZVIZ is now looking for a Business Development Manager Building and decoration, position to be filled as soon as possible.

The Opportunity We are looking for a proactive and detail-oriented R&D Power Electronics Validation Engineer to join our Product Innovation & Development team. You will play a key role in validating power converters and control systems, ensuring product reliability, performance, and compliance with international standards.

What does a Regional Supply Planner do? Our Regional Supply Planners are the key contact points between our global Supply Centers and the EUROPE markets. They aim to optimize the Supply network plan for the full horizon by working cohesively and collaboratively with a range of partners whilst being responsive and flexible in their approach.

Our skilled, multilingual team sets the standard for excellence, delivering premium services to our clients. We are present in Spain, Andorra, Portugal, and France. Dils, with over 50 years of experience and a strong presence in Italy, the Netherlands, and Portugal, is a leader in real estate innovation. Dils is transforming the Office, Retail, Logistics, Hospitality, and Residential sectors.

At Pentera, you will be at the forefront of cybersecurity innovation, working on advanced tools that challenge organizations' defenses and push the limits of security testing. With over 400 team members and 1,100+ customers in more than 50 countries, Pentera is a growing company supported by top investors like Insight Partners, K1, and The Blackstone Group.

Opdenergy is a growing independent renewable energy producer (IPP) with presence in Europe, United States and Latin America with more than 19 years’ experience.

We’re looking for a Senior Delivery Lead to spearhead a major Domain Automation Transformation Programme spanning multiple business domains and operating companies. In this high-impact role, you’ll own the end-to-end delivery of cross-domain initiatives, orchestrate multiple Agile teams, and ensure alignment across backlogs, stakeholders, and delivery streams.

Senior Advisor, Software Operating Model & TransformationSummary Location: Various Locations (Remote + Travel) OR (Hybrid - if located near a client office) Day Rate: Negotiable Duration: 6-8 Months Availability: ASAPAbout the Client My client is the air transport industry's IT provider, delivering solutions for airlines, airports, aircraft, and governments.

Job purpose As an International Execution Analyst, you will assist the Head of Operations in executing all business, whether physical or paper-based, across a range of agricultural commodities. You will be responsible for ensuring the accurate and timely execution of contracts, coordinating logistics, documentation, and settlement processes to support the company's global trading activities.

If you love moving fast, testing ideas, and owning outcomes, you’ll enjoy this role.

UST is looking for the very Top Talent. . . and we would be delighted if you were to join our family! More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35. 000 employees all over the world and presence in more than 35 countries.

io is looking for a product-focused, well-rounded Software Engineer who loves building and shipping impactful features end-to-end. This is a highly hands-on role where you’ll write production code, interact with customers, contribute to API documentation, and own full feature lifecycles across our platform.

Company Description GPTadvisor is a fast-growing fintech specialized in developing generative-AI solutions for wealth management. Our platform is used by leading financial institutions in Europe and LATAM, supporting more than 25,000 financial advisors and bankers in their daily decision-making.

At Deloitte we are committed to you professional development and we value your experience and commitment to the Firm, that is why we want you to continue growing with us under our Internal Mobility program. Let’s continue the journey together? What is the challenge?

Role DescriptionThis is a full-time, on-site Rewinder role based in Castellar del Vallès. The Rewinder will be responsible for rewinding and repairing servo motors, identifying and analyzing motor malfunctions, conducting tests to ensure quality and functionality, and maintaining accurate records in the company's technical database.

As a German-speaking BDR Team Lead, you will guide a growing team, drive measurable outbound performance, and stay close to the pipeline with hands-on contribution. If you thrive in fast-paced, client-focused environments where ownership and impact matter, this role offers exactly that.