intern internship English-speaking jobs in Cartagena

Learn more about what we do. Our award-winning culture embraces a bold vision of where technology can take us and a passion for tackling challenging problems with industry-first solutions. We believe that when people feel a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers.

We are looking for a Customer Service Representative to join our client in their office in the Barcelona area. Our client helps global customers manufacture with precision—from aircraft to electric vehicles to medical devices. They thrive on collaboration and accountability, valuing every voice as they push boundaries and transform manufacturing.

Freelance Process Validation / PPQ ConsultantSan Sebastián | On-site / Hybrid | Jan–MarFor a pharma manufacturing project in Spain, Qualitice is looking for an experienced freelance Process Validation / PPQ Consultant to support initial commercial validation activities. This is a hands-on, execution-focused role with on-site technical oversight responsibilities.

Barcelona, SpainWorkster is partnering with a fast-growing global technology and services leader to hire an Accounting Specialist in Barcelona. Join a dynamic finance team, work with international clients, and take ownership of key accounting processes in a role that combines accuracy, compliance, and strategic impact.

About us Changan Automobile, one of China's leading automotive manufacturers, is accelerating its global expansion and strengthening its presence in Europe. We are seeking a motivated and analytically strong professional to join our team as a Regional Market Strategy Analyst – Europe, with the automotive industry related experience as a must.

**Job Description:** A vacancy for an open position inside the Industrial Composite Technology Innovation and development team for Central Manufacturing Engineering has arisen within Airbus Operation in Illescas factory. The main objective of the team is to mature new technologies in R&T and to disseminate mature technologies in order to improve legacy & future programs.

About the RoleWe seek a highly motivated IT Service Management to join our team and take ownership of designing, organising, and optimising IT support and service processes end-to-end. This role is key to ensuring that services are reliable, efficient, and well-aligned with business needs.

Hanshow is one of the world's leading digital shop solution providers in the retail field, with independent R&D and innovation, software and hardware solution integration, and industry-wide resource integration capabilities.

POSITION: Health & Safety CoordinatorLOCATION: Catalonia, SpainSTART: 05 January 2026 DURATION: 30/04/2027DAILY RATE: Competitive hourly rateBrunel are urgently looking to recruit a Health & Safety Coordinator (as per Spanish Royal Decree 1627/1997) with experience in the Oil & Gas sector for a contract position, yard based in Catalonia region, Spain.

We are looking for a junior Google Products Presales professional capable of supporting customer-facing pre-sales activities across the Google ecosystem. Someone who feels comfortable working closely with sales teams, understanding customer needs, and helping position Google solutions in a clear and structured way.

Company descriptionWittur Group is the leading, trusted and knowledgeable partner for elevator solutions, technology and services globally (approx. 5000 employees, 13 manufacturing sites, more than 50 countries served by our sales network). Our purpose is “Advancing the elevator industry”. Moving billions of people every day, we are passionate about the vertical transportation industry.

About UsLe Mini Macaron is a fun and disruptive beauty brand that brings salon-quality gel manicures into the comfort of your home. Born from a love for beauty innovation and self-expression, we’ve reimagined nail care to make it easy, empowering, and accessible. Our products are available globally at top retailers including Sephora, ULTA, Target, ASOS, Zalando, and more.

As a sales engineer it's an opportunity to work with cutting-edge products and technologies that make a real impact, engage with a diverse range of clients, and be part of a dynamic and high-achieving sales team that values technical expertise and innovative problem-solving.

The role requires working in a hybrid mode - 3 days from the office. Our client is looking to create a team of calypso specialists for new projects (product onboarding, reg reporting updates, minor changes etc. ). The team will be integrated into the bank's CIB project pool and will interact with different bank structures (Bank IT, FO Desk, CIB management etc. ).

Opportunity – Technical Product Lead About the roleWe’re looking for a Technical Product Lead to define and lead data-driven engineering products that help teams deliver better, faster, and more securely at scale.

About Forvis MazarsForvis Mazars is a leader in audit, tax and advisory services, operating worldwide across 100+ countries and territories. Join our 40,000+ strong team to grow your career through global opportunities, diverse projects and continuous learning. Belong to a supportive environment where your unique perspective is valued and success comes from working together.

High growth SaaS cybersecurity vendor in Valencia are looking for an experienced Senior Customer Success Manager to help drive retention, renewal and upselling for their growing customer base. This role will be handling some of the largest and most strategic customers, plus being a key player in the Customer Success team.

Ready to power up the performance of a fast-growing sales team? We’re European Sales Group, a fast-growing French-founded company based in Barcelona, specialising in outsourced B2B sales. In just 18 months, we’ve built a team of 30+ talented professionals, opened two offices, supported dozens of clients, and we’re just getting started.

Cactus is a software development company, providing full-cycle services for the European market. More than 170 companies increased business productivity using solutions developed by Cactus experts. The company has been regularly included in the listings of the best software development companies in Belgium and Europe. We’re seeking a Full Stack Engineer (TypeScript & Next.

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