intern internship English-speaking jobs in Cartagena

Leap29 is partnering with a fast-growing international renewable energy company, active across wind, solar PV, BESS, and Power-to-X projects. The company develops, constructs, and operates energy projects globally, driving the green transition while maintaining a collaborative, entrepreneurial culture. We are looking for a Project Development Manager to join a growing team based in Barcelona.

If you’re passionate about Python, cloud technologies, and creating user experiences that actually make an impact, this one’s for you.

- Client Servicing Ensure a role of advisory to the clients for Operations, in link with Operating Platform experts. Coordination, follow-up and support to platform to monitor the good execution of deals. Participate to the assessment of Client Satisfaction.

Join Our Innovative Engineering Team! We are a leading international engineering company seeking a Mechanical Engineer or Process Engineer to join our dynamic team. If you are passionate about innovation and have experience in industrial projects, this opportunity is for you!

Account Executive Enterprise Barcelone Review Collect | SaaS • AI • eCommerce Europe → USA → Global Top performers (over 50% closing rate) earn more than €10,000 net per month. IMPORTANT : Please apply only if you've signed more than 800k ARR yourself ! Mission We're not looking for just another enterprise salesperson.

Job Title: Technical Lead AI & IT Platform About the Job At AS1, we operate at the intersection of football, technology, and global business. Backed by Bruin Capital investment fund and built from a network of leading football agencies worldwide, AS1 is redefining how talent, data, and opportunity connect in the modern football ecosystem.

We are looking for a Head of Data and Analytics to join our Commercial Center of Excellence team. Location is flexible within the EU. About BarentzBarentz is the global specialty ingredients solution provider.

FINANCE CONTROLLER – GENETIC TESTING / BIOTECH –BARCELONA FULL TIME- (NEG DEPENDANT UPON EXPERIENCE) The Finance Controller is a key member of the Finance department, providing accounting support to the regional office of a UK listed predictive genetics business (GENinCode Plc). This role supports the finance team delivering accurate reporting, cost control, and performance analysis.

At ISPROX, a consultancy specialized in talent acquisition and headhunting, we are supporting our client —a multinational company in the chemical sector, recognized for its innovation in the manufacture and commercialization of industrial and cosmetic specialties— in the search for an R&D Leader for their Personal Care Active Ingredients division.

We’re looking for top talent to join our Ecommerce team in Barcelona . Competitive conditions & a clear path to a permanent contract . Are you in?

Please note - This is a part-time job About Xplore Digital: We are a B2B digital marketing agency founded in late 2020. We primarily work with international clients (France, UK, Netherlands, Belgium, Spain) in the IT, new technologies, insurance, finance, construction, and industrial sectors. Our team is international and we can work in French, English, German, Dutch, Spanish, and Portuguese.

At Iron Mountain we know that work, when done well, makes a positive impact for our customers, our employees, and our planet. That’s why we need smart, committed people to join us. Whether you’re looking to start your career or make a change, talk to us and see how you can elevate the power of your work at Iron Mountain.

We are looking for a Senior Frontend Developer to join our distributed team. You'll play a pivotal role in architecting robust frontend solutions while working in an environment that prioritizes clean code, testing, and agile collaboration. The Role As a Senior Frontend Developer, you won't just be writing code; you'll be shaping the technical direction of our frontend architecture.

Company Overview: Join our dynamic team at BGC Group, one of the world's leading inter-dealer brokers, providing integrated voice and electronic services to wholesale market participants across the globe.

Head of AI, Practice Leader Location: Remote from Spain (an indefinite Spanish employment contract) This is a unique opportunity for a visionary leader and AI ambassador who will shape Intellias’ global AI & ML practice and can blend deep technical expertise with a keen business acumen to drive growth, innovation, and market leadership.

It supports thousands of companies and has offices in the United Kingdom, France and Spain, positioning it as a leader in Europe. As part of its business development, it is recruiting several Account Executives who will be responsible for driving revenue growth by managing the entire sales process.

We are looking for outliers, wired differently from the traditional law firm mindset! Are you the type of employee who thinks outside the box but feels confined in conventional law firms? Do you want to work in a fast-growing, disruptive, startup mindset environment? Then, continue reading. This is your opportunity. At Lexidy, we work with passion and purpose!

About Us: Curapath is a global Contract Development and Manufacturing Organization (CDMO) specializing in the design, development, and GMP manufacturing of advanced polymer and lipid‐based drug delivery systems for biopharmaceutical clients worldwide.

Join Indra – Deimos and participate in international projects that shape the future of space technology. Your mission Analyze, design, and implement software functionalities for ESA's portal. Develop both frontend and backend components, ensuring robust and scalable solutions. Manage and optimize databases (PostgreSQL, MySQL).

Open Tech is a technology consulting and services company that delivers comprehensive IT solutions for businesses of all sizes, helping them grow, improve productivity, and ensure the proper performance of their technology infrastructure.