intern internship English-speaking jobs in Cartagena

is a global company with more than 95 years of experience in manufacturing soldering stations and tools for professional electronics. Among our clients are some of the world's leading technology companies in sectors such as Automotive, Aerospace, Medical Electronics, Defense, and more.

To increase our global expansion, expand our brand presence, we are looking for a Partner Account Manager – Northern Spain (m/f/d) for 40 hours/week to start immediately or as soon as possible. This role will report directly to the Country Manager Iberia, LATAM, and Italy.

Mantell Associates are proudly partnered with a leading CDMO in their search for a Director of Operations to join their senior leadership team.

We began as a small team of passionate developers and have rapidly grown into a dynamic company specializing in advanced software systems for the medical industry. D. med Software specializes in providing cutting-edge cybersecurity solutions tailored specifically for the embedded systems in the medical industry.

Project ManagerSummaryLocation: Barcelona (Hybrid)Day Rate: NegotiableDuration: 12 MonthsAvailability: ASAPAbout the ClientMy client is the air transport industry's IT provider, delivering solutions for airlines, airports, aircraft, and governments. Their technology powers more seamless, safe, and sustainable air travel.

Schneider Electric (SE) is the global specialist in energy management and automation. SE develops connected technologies and solutions to manage energy and process in ways that are safe, reliable, efficient and sustainable. SE provides an integrated approach, designed for the reality of digital economy (Plant-to-Plug).

WHO WE ARE? Konecta is a leading innovative global service provider in customer management business process and digital outsourcing, with 120,000 passionate employees working in 30 languages across 4 continents and 26 countries.

CDI - 100% Reliability & Parametric Test Engineer (ICs) You hold an engineering degree in physics or microelectronicsExperience in wafer level reliability monitoringExperience in computer programming (C and Linux)Solution oriented, positive thinker and team playerInterested in working in a production-oriented environmentFluent in written and spoken French and English written and oral We offer you

Strategic Sourcing Partner – Precious Metals Division | BISNNESCOMEXA leading international company in the mining and trading sector, specialized in structuring international gold doré and bullion operations, is seeking to incorporate Strategic Sourcing Partners into its global Precious Metals Division.

🔹 New Opportunity – Data Engineer🔹 We are looking for a Data Engineer to join dynamic technical teams working on complex international data projects. The role involves designing and optimizing end-to-end data pipelines, ensuring performance, scalability, and data quality across cloud environments. This is a hybrid position, requiring two days per week on-site at our office near Barcelona.

About the Role: We are seeking an experienced Senior Key Account Manager to join our team. You will be responsible for maintaining and growing relationships with our customer portfolio, ensuring customer satisfaction, driving revenue, and achieving sales targets.

At mAbxience, a company specialized in the development and manufacturing of biosimilar medicines, we are hiring a AD Bioassay Analyst for our Manufacturing Site in León (Spain). GLOBAL RESPONSIBILITY Performs and directs assays according to and in compliance with Good Laboratory Practices (GLP), current Good Manufacturing Practices (cGMP) guidelines and Standard Operating Procedures (SOPs).

About UsXF Agencija builds meaningful, consumable apps that help people live healthier and better. We’re a holding company with one e-commerce brand and two consumer apps - Nooro and Sesh Live - collectively serving over 100,000+ users across iOS, Android, and web. We move with urgency, constantly disrupt the status quo, and hold ourselves to exceptional standards.

PQE Group has been at the forefront of these industries since 1998, with 40 subsidiaries and more than 2000 employees in Europe, Asia and the Americas. We are currently seeking a dedicated and motivated Commissioning & Qualification (C&Q) Engineer to support facility, utility, equipment, and system qualification activities in Barcelona and Madrid.

We’re looking for a C++ Engineering Manager with strong experience in cross-platform development (Windows / macOS / Linux), and a proven track record in building multi-threaded, high-performance applications and services at a low level.

About Maite. aiMaite. ai is an AI copilot for legal professionals. We are building the future of how legal professionals interact with legal information through conversational and intelligent interfaces. Our mission is to fight for a fairer world through technology, making legal knowledge more accessible, intelligent, and actionable.

🚧 Construction Project Manager Intern – Join Our Growing Team! 🚧 Are you a qualified architect passionate about leading exciting renovation projects? Eager to gain hands-on experience in full-scale construction management? If yes, we want to hear from you!

Looking for a challenging new position in a creative environment? Read more. About Us Camper is a contemporary footwear brand based on the Mediterranean island of Mallorca.

About Us: ES GroupAt ES Group, we specialize in designing and building customized spaces, focusing on trade show booths. . We are passionate about delivering unique experiences that reflect our clients' identities and goals. With an innovative approach, we serve companies across industries and have earned a strong reputation nationally and internationally.

They are a recognized leader in the mobile app monetization space and are now looking for a Senior Full-Stack Engineer to join their team in Barcelona (hybrid model). In this role, you will play a key part in building and scaling a high-performance Demand Side Platform (DSP) infrastructure.