intern internship English-speaking jobs in Cartagena

Data Integration Engineer needed for a multinational company undergoing digital transformation. Design, build, and maintain customer and marketing data integrations, ensuring data quality and consistency.

Provide technical customer support for a leading renewable energy company. Support Italian and English-speaking customers with photovoltaic systems, inverters, modules, monitoring systems, storage solutions, and e-mobility technologies.

As a Web Project Analyst, you will define and coordinate the technical evolution of Camper's web platforms, ensuring scalability and alignment with business strategies. You will translate business requirements into technical specifications, manage project lifecycles, and oversee testing processes.

Experienced Private Wealth Adviser needed to build and manage relationships with high-net-worth clients, providing comprehensive financial planning and investment advice. Requires Level 4 & CYSEC qualifications and proven success in wealth management.

This freelance, remote position involves data analysis for digital map enhancement. Tasks include research, evaluation, and verification of data accuracy. Applicants must be fluent in Spanish, residents of Spain for the past two years, and have familiarity with Spanish culture and current affairs.

Customer Service Representative provides administrative and customer support, ensuring customer satisfaction and timely order processing.

The Senior Supply Planner ensures product availability, balancing cost, service level, and cash flow. Responsibilities include managing purchase orders, inventory levels, supplier relationships, and safety stock strategy. Requires 3+ years of planning experience, a master's degree, and fluency in English.

Zimmermann seeks an Omni-Channel Stock Coordinator for a 7-month fixed-term, part-time position (20 hours/week) in its El Corte Ingles Serrano Madrid boutique. Responsibilities include online order dispatch, stockroom organization, inventory management, loss prevention, stock presentation, and administration. The ideal candidate has prior leadership experience, strong organizational skills, a passion for fashion retail, and fluency in English and Spanish.

Business & Process Analyst needed to support transformation initiatives. Analyze, improve, and redesign business processes. Collaborate with stakeholders to define project scopes and document business cases. Fluent in French and English required.

Persán, a multinational company in home and personal care products, seeks a highly involved intern to support various departments including R&D, Operations, Procurement, IT, Packaging, Finance, and Marketing.

Junior Key Account Manager will maintain and develop relationships with key customers, act as a commercial interface, and support the KAM strategy. Requires a university degree in Business Administration or Industrial Engineering, or equivalent experience, and initial experience in sales or key account management within the pharmaceutical or life sciences industry. Must be fluent in English and have excellent communication skills.

Production Manager to lead daily operations, ensuring quality, efficiency, and cost-effectiveness. Develop and execute production strategies, manage budgets, and lead teams. Experience in mechanical manufacturing, quality management systems (ISO 9001), and international environments preferred. Fluent in English and Spanish required.

Customer Service Specialist needed for a dynamic international team in Málaga. Respond to inbound customer calls in German and English, assist with bookings and travel inquiries, and ensure customer satisfaction. Minimum 1 year of sales experience required.

Full-Time Sales Agents needed for a prestigious real estate agency expanding to Ibiza. Build client relationships, create property listings, conduct viewings, and negotiate deals. Fluent English required, driver's license essential. Real estate experience preferred but not required.

Develop and own RISC-V MCU value proposition, translate technical specifications into customer benefits, and position products against ARM-based MCUs and other RISC-V vendors. Lead technical go-to-market strategies for new silicon platforms, create marketing collateral, and collaborate with sales, FAEs, and product management.

The Business Development Manager (Enterprise Hunter) will manage the sales cycle for new logo acquisition, selling GTT's full suite of products and solutions. The role requires 3+ years in an enterprise sales role and 5+ years in selling connectivity.

Glovo's 2026 Tech Grad Program seeks Junior Android Engineers to develop cutting-edge tech solutions. Successful candidates will have a Bachelor's or Master's degree in a related field, or a coding bootcamp certificate with relevant experience. Must have coding experience in Kotlin, Java, or React Native, strong problem-solving skills, and fluency in English.

Pricing Analyst will analyze sales data, market trends, and competitor pricing to support pricing decisions. Responsibilities include implementing system changes, monitoring impact on revenue, preparing pricing reports, and creating analytical models. Requires proficiency in SQL, Excel, and strong analytical and communication skills.

Global Product Manager will oversee sales, profit, and market share for a sub-category across global markets. Develop and implement global product strategies, manage the product portfolio, and support the product lifecycle process. Requires a bachelor's degree, 5+ years of experience in product management within the building products industry, and proven track record of managing global product portfolios.

Leads technical initiatives to strengthen payment system reliability, including designing monitoring tools, dashboards, and disaster recovery plans. Investigates production issues, analyzes system inefficiencies, and contributes to a resilient payment architecture. Architects and sets up new data centers, develops data protection plans, and ensures data integrity and security.