intern internship English-speaking jobs in Cartagena

Develop and maintain customer-facing web applications and backend services. Integrate Large Language Models (LLMs) using frameworks like LangChain to create innovative AI solutions. Experience with React, TypeScript, Node.js, and cloud technologies like Google Cloud Platform is required.

Experienced leader to guide multidisciplinary Healthcare Design Office, ensuring high-quality, compliant, and functional design delivery.

Drive growth across Iberia and the South of France by developing customer relationships and uncovering business opportunities. Lead sales activity, support distributors, and build long-term partnerships. Identify and develop new business opportunities using Scott Bader's product range.

Provides on-site desktop support, troubleshooting and resolving hardware, software, and network issues. Experience with Windows operating systems, Microsoft Office Suite, and Cisco Jabber required.

Accountant responsible for monthly, quarterly, and annual closings, financial statement preparation, payment processing, tax filing, and intercompany transaction analysis. Requires a finance or accounting degree, 3+ years experience, SAP proficiency, and strong analytical skills.

Experienced Restaurant Manager needed for luxury lifestyle brand COYA Ibiza. Minimum 3 years' experience in a similar role, strong people management skills, and familiarity with lifestyle brand concepts are required. Must have excellent communication skills, be fluent in Spanish and English, and possess a passion for working with people.

Grant Manager needed for Typewiser, AI-powered grant writing software. Identify and implement grant opportunities in the EU and USA. Create content, organize demos, and collaborate with stakeholders. Requires a Master's degree, 3+ years of grant experience, and strong analytical skills.

Lead the technical strategy for a self-hosted AI analytics platform serving the European mid-market. Build and manage the engineering team, close enterprise deals, and drive product growth.

Senior Tech Lead for AI Engineering will drive EBIT impact through AI technology application across the Group. Accountable for technical designs and strategy for AI solutions and ML platform development, ensuring optimal balance of cost, risk, and time to value. Will lead product architecture for reusable AI products, mitigate technical risks, and support development of technical blueprints for enterprise AI products. Responsible for technical direction of AI/ML platforms for IMS products, including generative AI abstraction and runtime platform for ML development. Will also ensure technical governance, rapid auditable decision-making, and conformance to standards for reusable components, design patterns, and ML models.

The Cyber Security Engineer - Red Team will simulate adversarial attacks against cloud architecture, AI models, and SaaS platforms. Responsibilities include conducting penetration tests, vulnerability research, threat modeling, and collaborating with SecOps and Bug Bounty teams.

Plan and manage production in a dynamic industrial environment, ensuring timely response to customer demand. Create and optimize production sequences using SAP and MES software.

AirAdvisor seeks a Litigation Lawyer specializing in consumer flight claims to handle in-court collections. Responsibilities include filing legal cases, recovering compensation and out-of-pocket expenses, and representing AirAdvisor in Spanish courts.

Data Scientist to join an international team supporting digital transformation and AI research. Develop advanced data processing, analytics, and visualization solutions. Strong Python, Elasticsearch, SQL, and data analytics skills required. Experience with NLP, neural networks, and machine learning algorithms is essential.

Provides personalized customer service and builds client relationships in a luxury boutique setting. Supports daily store operations and contributes to achieving sales goals.

Legal Administrative Assistant to support in-house lawyer with immigration and visa procedures for international clients. Responsibilities include assisting with residence permits, visas, NIE applications, and general administrative support. Requires background in law, legal studies, or public administration, fluency in Spanish and English, and strong organizational skills.

Senior Digital Architect needed to define and communicate technology vision for product-related business capabilities. Develop technology strategy and roadmap, ensuring architecture adapts to evolving needs. Design high-level solution architecture, covering all components and addressing people, process, technology, and data.

This role supports a global HR compliance initiative by locating, organizing, and reviewing historical employee records for accuracy. Requires strong organizational skills, attention to detail, and the ability to work independently.

Fullstack Engineer to join a mixed agile team developing a commercial strategic platform. Responsibilities include analyzing requirements, developing software solutions, and participating in Agile ceremonies. Requires 3+ years of experience with Java, Angular, Springboot microservices, and related technologies.

System Administrator needed for a leading iGaming company in Barcelona. Maintain and create websites, update software, and administer infrastructure. Requires 3+ years experience, Linux expertise, virtualization knowledge (VMWare), and web server proficiency (NGINX, Apache). Must have database administration (MariaDB), scripting, and strong communication skills.

Leads all operational aspects of a waste-to-fuel facility, ensuring safety, quality, and efficiency. Manages on-site teams, oversees maintenance, and ensures regulatory compliance. Implements continuous improvement initiatives and supports site expansion.