intern internship English-speaking jobs in Cartagena

Marketing Manager to design, execute, and optimize B2B marketing strategy for blockchain events. Drive audience growth, sponsorship and ticket sales, and lead generation. Manage email marketing, social media, paid media, and partnerships. Analyze and optimize key metrics. Requires 4+ years B2B marketing experience, understanding of the blockchain ecosystem, and proficiency in marketing automation tools.

Lead Frontend Software Engineer will develop and improve the Angular frontend platform, collaborating with engineers, designers, and product owners. Responsibilities include implementing new features, ensuring accessibility and performance, and contributing to the design system. Requires 7+ years of Angular experience, familiarity with NX monorepo, Storybook, and Playwright/Cypress.

Senior Physicochemical Laboratory Technician will plan laboratory activities, ensure accuracy of results, manage documentation, and oversee equipment maintenance. Requires a university degree in a relevant field and at least 7 years of experience with GMP regulations, analytical methods, and managing a technical team.

Senior marketing leader to own end-to-end marketing strategy and execution for a European B2B SaaS scale-up. Responsibilities include demand generation, product marketing, brand alignment, and team leadership. Must have experience in complex, high-growth B2B SaaS environments with a proven track record of driving revenue growth.

Senior R&D Scientist or Engineer to develop next-generation sensing, optoelectronic, and AI-enabled technologies. PhD in Physics, Optics, Electronics, or Telecommunications Engineering required. Expertise in sensors, photonics, electronics, and regulated environments is essential.

Sales Manager to build market presence and grow client base in Catalonia. Responsibilities include identifying new business opportunities, presenting surveillance solutions, and building relationships with clients in the construction, infrastructure, and rental equipment sectors. Requires sales experience, fluency in Spanish and English, and a network in the target industries.

Senior Pharmaceutical Project Manager will own and drive product projects from development through launch. Coordinate cross-functional teams and global partners to ensure on-time, on-budget product delivery. Manage project plans, timelines, budgets, and regulatory submissions.

Engineering Project Manager will lead projects for customers, ensuring completion within scope, schedule, and budget. Responsibilities include developing proposals, managing project documentation, and collaborating with stakeholders. Requires a B.S. in Electrical Engineering, 5+ years of project management experience, and fluency in English and Spanish.

The Energy Management Strategy Analyst will assess, develop, and execute electricity market strategies for Battery Energy Storage Systems (BESS) and other energy assets. This role will monitor market trends, conduct in-depth market analysis, and collaborate with internal teams to align market analysis with project development and asset operations.

Drive the strategy and evolution of an enterprise-grade AI chatbot for secure, intelligent employee support. Define product roadmap, conduct market analysis, and collaborate with AI/ML engineers and UX/UI teams.

Experienced Spanish Language Teachers provide in-person lessons to adult learners in Barcelona, Spain.

Senior Data Scientist will define and execute data science strategy, lead model development, and analyze complex datasets to drive product recommendations. Requires strong experience in data science, data engineering, and machine learning.

Treasury Specialist to manage cash flow, banking operations, and credit control. Requires 5+ years of experience in corporate treasury, strong Excel skills, and fluency in English.

Store Manager to lead retail operations in Barcelona. Experience in retail or luxury fashion, team management, and customer service required. Must be able to analyze KPIs, manage budgets, and support other stores as needed.

Leads the deployment, optimization, and growth of robotic solutions in hospitals within the Basque Country. Builds and manages relationships with hospital leadership and clinical teams. Provides technical, clinical, and operational support for the robotic product portfolio.

Customer Service Representative for the French Market will manage customer service activities, support sales and marketing, and coordinate databases to ensure excellent service.

Business & Recruitment Consultant to manage client portfolios, develop commercial activity, and execute full recruitment processes.

Global Category Buyer – Films will develop and execute procurement strategies, manage supplier relationships, and lead RFQs and tenders. Requires a university degree in a relevant field, several years of experience in strategic procurement, and fluency in English and Spanish.

Teach English at a well-established international school in Murcia, Spain, starting August 2026. The school offers a bilingual curriculum blending British and Spanish approaches. Successful candidates will have a university degree in English or a related field, a recognized teaching qualification, and experience teaching English at the secondary level, including IGCSE curriculum delivery.

Supervises spare parts management, including inventory control, procurement, and supplier relations. Requires 3-5 years of experience in the metallurgical or industrial sector and proficiency in ERP systems.