intern internship English-speaking jobs in Cartagena

What You’ll DoJoin our international engineering team , working on the evolution and optimisation of the Salesforce Service Cloud platform. Take end-to-end ownership of your developments: from requirement intake and solution design, through implementation and rollout, to stable operations.

Company DescriptionWholesaler and Distributor of Branded ProductsRole OverviewElectro Shiva S. L. is looking for a proactive and detail-oriented Marketing Assistant to join our team at our Fuenlabrada (Madrid) office. This role is ideal for someone passionate about marketing, communication, and digital trends.

**Please submit your English CV with a complete educational background (starting from Bachelor's degree)** TrinaTracker, a global leader in tracker solutions and a business unit of Trina Solar, is looking for professionals to participate in its international growth. Trina Tracker is positioned among the top 5 global tracker companies, with projects deployed in more than 40 countries.

We are looking for a professional with extensive experience in video game development and humansimulation technologies, capable of leading the integration of a realistic and interactive metahuman intoour AI platforms. -Key Responsibilities• Design, develop, and implement a realistic metahuman with natural facial expressions and bodymovements.

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.

Manufacturer of technical textiles is searching for salesperson who will make contact and sell materials used for middle voltage and high voltage cable factories in Spain.

Quality Control EngineerLocation: Barcelona (Hybrid)***This is initially a Fixed Term Contract until the end of June 2026 - potential for extension/made permanent***We are working with a company that focuses on accelerating AI adoption, data literacy, and engineering capabilities through a combination of expert-led human coaching and on-the-job learning.

Senior Rust Engineer (Rust/C++) Core Trading Infra We are partnered exclusively with a top-tier digital asset exchange. They have a global presence, and are renowned for their security and platform performance. The team are looking to bolster their Rust Engineering team in Europe.

We are looking for a Logistic Specialist to join our PSO team in our Bolton Spain Business Unit based in Toledo (Las Ventas de Retamosa). How you make the difference: This position is crucial for Bolton as it drives our digital strategy, enhancing brand visibility and customer engagement. The expected outcome is increased online presence and improved digital campaign performance.

Global Head of Business Development (Textile Manufacturing Marketplace)Ivy DecarbCompetitive compensation packageMadrid - Hybrid role, you should be able to commute to Madrid a few days a week if not travelling(You should be able to speak English fluently, any other languages are an advantage)This exciting role requires someone who can demonstrate a strong commercial and technical understanding of

Agrupa Global Talent collaborates with our client to attract the best talent for its ITHUB located in Barcelona. PositionAs a Digital Solution Architect, you'll be a vital part of our diverse digital workforce, driving the development of strategic plans that encompass people, processes, technology, and data.

Role: Product Lead Sector: IT ConsultingJob Type: Permanent contractLocation: Hybrid in Madrid or BarcelonaSalary Range: €90. 000 to €120. 000 + Benefits + BonusContract type: Direct employment with our clientA background in IT consulting, design agencies, product labs, or innovation agencies is required.

As The Stoke Brands Co continues to grow and evolve, we’re looking for a Junior Accountant to support our dynamic finance team. You’ll work closely with the Financial Controller to ensure the smooth running of all accounting operations across our subsidiaries—Stoke Travel Co, Stoke Threads Co, and Yes-Trip.

We are urgently looking for a Senior Java Developer for the European Institutions in Brussels, Belgium. A work permit is required for non-European candidates, but not provided! EU candidates are welcome to apply. Candidates need to be willing to relocate. A work permit is required. Candidates need to be fluent in English. Travel is not required for the interviews.

Wall Street English is looking for a HubSpot CRM Specialist to join our Marketing team in Barcelona, Spain. Reporting to the CRM Product Manager, you will be responsible for working directly with our Franchise partners and corporate businesses as a valued resource and trusted advisor, helping their business grow by leveraging their CRM platform and associated MarTech tools.

Global Accounts Manager – Strategic Marketing SolutionsAbout UsHBX Group is the world’s leading technological partner, connecting and empowering the world of travel.

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

Beyond that, we offer a spectrum of services including IT, business process outsourcing, advanced professional services, and crowdsourcing in both established and emerging markets. Our client is seeking candidates interested in Freelance/Task-based work for an ongoing project. The hours will align with the IST time zone.

Location: Preferably Madrid or BarcelonaDepartment: B2B / Commercial Display SolutionsDevelop the Digital Signage business in the Spanish and Portuguese markets, driving TCL’s growth in the B2B segment through opportunity identification, key account management, channel development, and execution of commercial strategies.

Carrots is a fast‑moving studio building and scaling consumer subscription apps (iOS/Android). We manage meaningful monthly budgets and operate with a strict payback mindset . We’re now hiring a Motion Graphics Designer (Internship) to partner hand‑in‑hand with our UA team —turning ideas into high‑performing creatives for Meta, TikTok, Snap, and UGC .