intern internship English-speaking jobs in Cartagena

Experienced SEO Specialist to lead organic growth strategies for luxury addiction and mental health recovery brands. Focus on high-value, intent-driven medical SEO to increase qualified enquiries and brand authority.

Full-time Spa Manager and Therapist needed for a 5-STAR RESORT in Mallorca, Spain. Responsibilities include managing daily spa operations, providing treatments, ensuring client satisfaction, and overseeing staff. Proven spa management experience, customer service skills, and skincare treatment proficiency are required.

Project Documentation Intern will assist in organizing, classifying, and archiving project documentation. Responsibilities include maintaining document registers, coordinating with project engineers, and supporting documentation packages for audits.

Provide junior technical customer support for CAD/CAM, MES, and data analytics applications used in sheet metal processing. Diagnose and resolve software issues reported by customers. Install, configure, and update software applications. Cooperate with technology support teams to diagnose and resolve issues. Provide remote or on-site training.

Freelance remote project assessing online advertisements for relevance, language, and cultural appropriateness. Must be fluent in English and Catalan, a resident of Spain for the past 3 years, and have access to a computer, smartphone, and internet connection.

The Senior Data Analyst & Clinical Data Manager analyzes clinical trial data, develops reporting and visualization strategies, and ensures data management compliance. This role leads data management activities from study start-up to database lock, optimizing data workflows and collaborating with cross-functional teams. Requires a Bachelor's Degree in Life Science or Health Informatics, fluency in English, and 5+ years of experience in the pharmaceutical sector.

Manage the digital client journey for a luxury watch and jewelry brand, providing personalized experiences across various channels. Build relationships, design sales campaigns, and analyze data to ensure client satisfaction and retention.

Junior Software Engineer will design, develop, and implement software solutions using Java and modern frontend technologies. Collaborate in agile teams, applying SOLID principles to build scalable and maintainable software. Requires a degree in Computer Science or related field and 2+ years of experience in object-oriented programming with Java and web technologies. Experience with Adobe Experience Manager (AEM) is a plus.

Talent Acquisition Specialist to attract and source talent for a pharmaceutical company. Manage the full recruitment process, including candidate screening and interviews. Requires 3+ years of experience in talent acquisition, fluency in Spanish and English, and proficiency in Microsoft Office Suite.

Manages, secures, and optimizes diverse IT landscape including Microsoft 365, AWS cloud infrastructure, Windows Server environments, and network infrastructure. Applies security best practices and troubleshoots complex issues.

YOUNG seeks a strategic recruitment partner to build the talent engine for its global venture platform. The ideal firm is entrepreneurial, data-driven, and experienced in multi-brand, international hiring.

Senior backend engineer to design, develop, and operate software services within cross-functional teams. Responsibilities include writing clean code, designing domain-driven systems, practicing DevOps, mentoring team members, and leading architectural decisions. Experience with NoSQL databases, modern software development practices, and a higher-level programming language is required.

Key Account Manager to drive B2B sales of Android mobile solutions. Requires 3-5 years of B2B sales experience, deep Android expertise, and strong industry knowledge.

The Senior HR Manager provides human resources leadership and support for multiple countries, including organizational development, employee relations, recruiting, compensation, benefits, performance management, training, and safety. The role requires developing and implementing HR programs and policies, aligning with global mandates, and collaborating with stakeholders to bridge operational gaps. The Senior HR Manager will also analyze data, provide training, and ensure compliance with local labor laws and company policies.

Senior Python Developer to design, implement, and optimize platform applications. Requires 4+ years of Python experience in production environments, including frameworks like Django, Flask, or FastAPI.

Part-time English Teacher needed for kids and teens in Sabadell. Responsibilities include planning and delivering engaging lessons, assessing student progress, and creating a positive classroom environment. Must have a CELTA or equivalent qualification and experience in lesson planning and classroom management.

Manage purchase orders for A materials and high-value B materials. Responsible for budgetary management, procurement strategies, and project milestone management. Requires a technical degree, experience in supply/process management, and fluency in English and Spanish.

Social Media Manager needed for fast-growing crypto exchange. Produce and publish high-volume, high-quality content daily across multiple platforms (X, Instagram, TikTok, YouTube Shorts, Telegram, Discord, LinkedIn, Reddit). Collaborate with the Marketing Team Lead, Graphic Designer, and Video/Motion Designer to execute content plans and campaigns. Strong short-form copywriting, AI tool proficiency, and understanding of crypto culture required.

The USP Manufacturing Technician will ensure compliance with the planning of the USP Scale-Up and Manufacturing department. Responsibilities include preparing, controlling, and developing processes for the production of biological molecules, participating in audits, and investigating process improvements.

Full-Stack Developer to design, develop, and maintain SaaS platform and AI agent infrastructure. Experience with PHP (Laravel), Node.js/Typescript, Vue.JS, APIs, databases, and Linux environments required.