intern internship English-speaking jobs in Cartagena

Experienced Medical Writer (3-5 years) with a scientific background (PharmD, MD, PhD or Masters) to create scientific content for a global pharmaceutical company.

Lead and develop a team to achieve aggressive B2C travel insurance growth targets. Design and execute a growth strategy leveraging paid media, partnerships, and data-driven insights. Manage a team, optimize investments, and contribute to product development.

Freelance Energy Projects Consultant supports the development and execution of energy infrastructure solutions, including microgrids, BESS, and distributed energy technologies. The role involves project development, energy modeling, feasibility analysis, and stakeholder coordination.

Freelance AI Trainers needed to improve AI model accuracy by labeling, evaluating, and generating text in Portuguese. Must be a native speaker with strong attention to detail and comfortable with online platforms.

Luxury Buyers make purchases in European boutiques for international clients, following team instructions and delivering items to local offices.

Founder's Associate needed for AI-powered airline operations solutions. 2-4 years of aviation experience (pilot, OCC, dispatch, ATCO) required. Part-time (20h/week) with growth potential, hybrid/remote in Europe.

Business Analyst to gain insight into digital upgrade requirements, conduct surveys, guide business requirements, and design IT solutions. Analyze business scenarios, user needs, and process specifications. Assist project management, risk management, and problem resolution. Must be familiar with IT product architecture, possess strong communication and problem-solving skills, and be fluent in Spanish and Mandarin Chinese.

Key Account Manager to drive growth and success of key sellers on Miravia's marketplace platform. Focus on business development, project management, and technical expertise within the Spanish market. Requires experience in marketplace operations, negotiation, and project management. Fluent in English and Mandarin, Spanish a plus.

The Key Account Manager Spain will develop and grow profitable sales in the designated territory. Responsibilities include managing key accounts, developing and executing business plans, and meeting sales targets. A Bachelor's degree in a scientific field and knowledge of the diagnostic market are required.

Leads and coordinates innovation, export, and import projects for the Snacks & Grains business, ensuring feasibility assessment, governance, and execution. Acts as the focal point for Supply Chain approvals, manages obsolescence, and supports mid and long-term supply planning.

Support the HR team across Spain and Portugal in employer branding, internal communication, and people initiatives. Contribute to projects shaping employee experience and strengthening company culture. Assist with recruitment, training, and internal events.

Paid internship in Marketing Department focused on social media, content strategy, and TikTok Shop performance. Responsibilities include building and growing a TikTok creator and affiliate network, managing TikTok brand pages, and analyzing performance data.

Account & Project Manager responsible for managing customer relationships and the entire project lifecycle from order to completion. You will act as the liaison between sales, development, and the customer, ensuring projects are executed as discussed and customer needs are met.

Quality Assurance Specialist reviews and approves GMP documentation for pharmaceutical development, including manufacturing instructions, analytical methods, and stability protocols. Manages quality activities, supports audits, and ensures IMP status across the clinical supply chain.

Senior Frontend Engineer needed for a multinational company. Lead development of Progressive Web Applications (PWAs) for complex digital environments. Design, architect, and implement scalable PWA solutions, integrating frontends with backend APIs and platforms like Salesforce Commerce Cloud. Requires 5-8+ years of experience in frontend development with a focus on PWAs and expertise in React, Angular, or Vue.js.

PQE Group seeks a Sterility Assurance Consultant to support clients in Spain. Responsibilities include drafting procedures, preparing CCS documents, performing risk assessments, and supporting Quality Assurance activities. Requires a university degree in a scientific discipline, at least 2 years of experience in Quality Assurance and Sterility Assurance, and knowledge of GMP regulatory standards. Must have strong attention to detail, analytical skills, and excellent English communication. Willingness to travel 40-60% is required.

Field Sales Representative to join the Enterprise Computing Solutions team in Madrid. This role involves customer service, administrative tasks, sales forecasting, and order follow-up. Requires fluency in Spanish, English proficiency is a plus, and advanced Microsoft Office skills.

Experienced Logistics Specialist needed to coordinate transport operations, optimize efficiency, and manage relationships with transport suppliers and partners. Requires a Bachelor's degree, 5+ years of experience in transport or logistics, and fluency in English.

Experienced Executive Chef to lead culinary direction of a large-scale hospitality operation in Barcelona. Responsibilities include defining culinary strategy, ensuring quality and scalability across multiple kitchens, and leading a large culinary team.

Designs and delivers complex AEM-based platforms, collaborating with project managers, developers, and client architects. Leads development teams, translates requirements into technical specifications, and ensures solutions meet business and technical needs. Requires strong AEM experience, Java proficiency, and communication skills.