intern internship English-speaking jobs in Cartagena

Founder's Associate needed for AI-driven airline operations solutions. 2-4 years of aviation experience (pilot, OCC, dispatch, ATCO) required. Support operations, sales, customer success, and marketing. Part-time with growth potential, hybrid/remote in Europe.

Full Stack Developer to design, develop, and maintain scalable web applications. Requires 5+ years of experience in JavaScript/TypeScript, frontend frameworks, and backend technologies.

Support the setup and maintenance of the Laboratory Information Management System (LIMS). Collaborate on data entry, inspection plans, and system development. Assist with URS, technical datasheets, and Quality Control tasks.

Provides administrative and operational support to the Regulatory Affairs team. Organizes documentation for registrations and approvals. Maintains regulatory databases and files.

This hybrid real estate opportunity in Ibiza offers independent professionals the chance to buy, sell, and manage properties. Responsibilities include identifying client needs, conducting viewings, negotiating deals, generating leads, and providing excellent customer service. Fluency in English is required, with additional languages preferred.

As a Sales Specialist, you will connect with local businesses to promote Too Good To Go's sustainable food marketplace. You will support new partners through onboarding, help them launch on the platform, and ensure they maximize its use.

Account Executive to drive the full sales cycle for a SaaS e-commerce search solution. Requires 2+ years of B2B SaaS sales experience, fluency in German (C2) and English (B2), and strong communication skills.

Product Manager will own the monetization strategy for a leading EdTech platform, including pricing, packaging, and A/B testing. Requires 3-5 years of B2C product management experience, hands-on A/B testing, and data fluency.

Designs and develops women's apparel lines from concept to production. Researches trends and collaborates with production to ensure designs meet brand standards and timelines.

Senior Regulatory Specialist (Medical Devices) will lead regulatory compliance for a healthtech platform's evolving product portfolio, including SaaS, AI-driven tools, and Software as a Medical Device (SaMD). The role requires expertise in EU MDR and experience with QMS, certification processes, and regulatory tools.

UST seeks a Senior Frontend Engineer with 5-8+ years of experience in developing Progressive Web Applications (PWAs). Responsibilities include leading PWA development, designing scalable solutions, and integrating frontends with APIs and platforms like Salesforce Commerce Cloud and MuleSoft.

Supply Chain Manager to oversee and optimize the entire supply chain function, from demand planning to final product distribution. Responsibilities include leading demand planning, production scheduling, warehouse operations, and transport. Requires a Bachelor's degree, 5+ years of B2B supply chain experience, and proficiency in English and Spanish.

Deloitte Spain seeks IAM professionals at various levels (Engineer to Director) for remote-first roles. Responsibilities include designing, implementing, and optimizing IAM solutions, working with leading platforms, and collaborating with stakeholders. Proven IAM experience and platform expertise are required.

Client Advisor needed for full-time position in Madrid Boutique. Lead client interactions, drive sales, and build lasting relationships. Must have experience in luxury retail, fluency in Spanish and English, and a passion for fashion.

The Country Manager France will lead commercial success in the French market, developing and executing market strategy, managing revenue and growth targets, and collaborating with cross-functional teams. The role also includes performance marketing responsibilities, contributing to sales growth across selected markets.

Operations Coordinator will support customer service, operations, technical, and marketing teams. Responsibilities include process improvement, data analysis, manufacturing support, supply chain management, and website maintenance. Requires proficiency in digital tools, strong organizational skills, and fluency in Spanish and English.

Quality Assurance Specialist reviews and approves GMP documentation, manages quality activities, and supports audits and regulatory inspections. Requires a Bachelor's or Master's degree in a relevant field, 3-5 years of QA experience in a GMP environment, and fluency in Spanish and English.

Data Scientist with 7-12 years of experience in AI/ML to build and deploy predictive models for supply chain, forecasting, and manufacturing analytics. Requires expertise in statistical modeling, Python, PySpark, GCP/Databricks, and GenAI/LLMs.

Quality & Safety Engineer to manage safety reports, audits, and corrective actions in a Part-145 environment. Requires EASA Part-145 experience, MOE and ISMS knowledge, and audit management skills.

Lead and manage a front-of-house reception team in a high-end, high-volume restaurant. Oversee reservations, table allocation, and guest flow. Greet guests, handle VIP arrivals, and coordinate with restaurant staff. Train and mentor hostess staff.