intern internship English-speaking jobs in Cartagena

Junior Key Account Manager (Retail) will execute sales strategy, manage trade spend, and assist with business planning and forecasting. Responsibilities include customer relationship management, market visits, and collaborating with Category Management Teams. Requires 1-2 years of Key Account Management experience and 3-5 years in FMCG. Must be proficient in data analysis, possess strong communication skills, and be fluent in Spanish and English.

Dutch-speaking Customer Support Specialists are needed for a tourism & hospitality project in Málaga. Provide customer support via phone and other channels, assisting with bookings, guest services, and travel inquiries. Must have full professional fluency in Dutch and advanced English.

Leads feature-level execution within an AI-driven software development lifecycle. Orchestrates agent workflows, refines prompts, and validates AI-generated outputs. Translates roadmap initiatives into feature requirements and owns the domain backlog. Facilitates agile delivery and ensures production readiness.

Account Executive to build and maintain client relationships with hotel partners, supporting business development and revenue growth.

The Luggage Porter greets and assists guests, handles luggage with care, and ensures the cleanliness and organization of lobby and entrance areas.

The Front Office Manager is responsible for the hotel's commercial, quality, and people performance in the front office department. This role includes managing the departmental budget, expenses, promotions, and upselling initiatives. The manager will lead a large team across multiple locations, ensuring service standards, guest feedback management, and team development. The successful candidate will have a minimum of 2 years' experience as a Front Office Manager in a large 4/5-star resort, a recognized business or hospitality management qualification, and fluency in Spanish and English.

Product Analyst needed to build analytics capability for scaling casual mobile games. Analyze player behavior, diagnose feature performance, and create frameworks for new game evaluation. Requires 3+ years of product analytics experience in mobile gaming or a similar fast-paced environment.

Experienced General Manager to lead operations of a luxury 5-star hotel in Barcelona. Responsible for guest satisfaction, financial performance, and maintaining the property's reputation. Requires leadership, strategic thinking, and operational expertise in luxury hospitality.

Senior 2D Animator needed for a mobile game development studio in Barcelona. Create expressive character and environment animations in Unity. Collaborate with designers, artists, and developers. Proven experience in games industry animation and Unity skills required.

Experienced sales manager needed to develop and convert business opportunities in the European market. Five+ years of sales management experience in a corporate environment, with a proven track record in the Retail or Horeca sector. Fluent in French and English.

Senior Project Engineer to coordinate engineering activities across three industrial construction projects (~€100M combined value) in Spain.

Java Developer sought for a junior role (1-2 years experience) within a Calypso-based ecosystem. Develop and maintain Java components, support functional and technical teams, and participate in analysis, development, testing, and production support. Strong Java fundamentals and a solid understanding of Java (OOP, collections, multithreading basics) are required.

Customer Service Supervisor to support European markets. Supervise customer and distributor service operations, act as escalation point for complex cases, and coordinate with teams in Mexico City and Poland. Must be bilingual in German & English and have experience working with distributed teams.

Designs and integrates AI system components, including machine learning models and natural language processing systems, within the global architecture design. Collaborates with Data Scientists, AI Engineers, and Developers to ensure seamless integration of AI solutions. Develops AI solution architecture, adhering to ethical design principles and corporate technology standards. Contributes to Architecture Requirement Dossiers and provides architectural guidance for AI solution decisions. Stays current with AI advancements and trends, ensuring solutions are transparent, explainable, and fair.

Scrum Master to guide and coach product teams, delivering continuous customer value. Will remove impediments, foster collaboration, and support high-quality, rapid solution delivery. Requires 2+ years of Scrum Master experience, agile expertise, and strong English communication skills.

Costing Project Manager to benchmark powertrain system costs, comparing internal structures to competitors. Develop cost analysis tools, collect data, and identify cost drivers. Collaborate with engineering, procurement, and finance teams to validate findings and prepare reports. Requires a Bachelor's or Master's degree in Engineering, 7+ years of powertrain costing experience, and fluency in English.

Technip Energies seeks a Quality Engineer to support document control, implement quality processes, and collaborate on documentation, audits, and quality control. Requires a bachelor's degree in Engineering and a master's degree in Quality Management, plus one year of experience as a Quality Engineer, preferably in the Oil & Gas industry. Fluency in English (C1 level) is required.

Account Executive to develop new opportunities in the Spanish market for a Treasury Management Platform powered by AI. Manage end-to-end SaaS sales cycles, prospect smarter, and translate complex financial workflows into clear business impact. Must be fluent in Spanish and English, have experience with mid-market SaaS sales, and be comfortable speaking with senior finance leaders.

Production Supervisor needed to ensure compliance with production plans, optimize team organization, and manage material resources. Responsibilities include scheduling, directing, and controlling production activities, leading team development, and analyzing production indicators. Requires technical training, 5+ years of experience, and knowledge of aeronautical assemblies.

As a Tracking & Integration Specialist, you will implement, test, and maintain affiliate tracking integrations across various platforms. You will work with our in-house tracking solution, ensuring accurate and GDPR-compliant tracking for advertisers and partners.