intern internship English-speaking jobs in Cartagena

Advanced Photodetector Engineer to design, develop, and integrate novel photodetector systems specializing in IR and CNT technologies. Responsibilities include research, testing, validation, and collaboration. Requires a PhD in a relevant field and experience in photodetector design, fabrication, and characterization.

Create engaging short-form videos (30-60 seconds) for TikTok and Instagram, promoting mobile applications to global audiences. Translate creative briefs into compelling content and research trends to ensure relevance.

Airborne Radar Product Engineers will design, develop, and qualify radar systems for national and international air defense programs. Responsibilities include leading product lifecycle activities, defining requirements, and participating in design reviews and testing.

Water Engineer needed for industrial projects in metals and minerals. Responsibilities include hydraulic modeling, design, and analysis of water systems. Requires a Bachelor's degree in a relevant field and 4+ years of experience.

Senior Handbag Designer with 3+ years of experience needed. Must have knowledge of fashion trends, materials, and footwear manufacturing. Proficiency in design tools like Adobe Illustrator and Photoshop is required.

Head of Sales responsible for market development and team management in Spain. Requires 2+ years sales management experience, fluency in Spanish and English, and strong negotiation skills.

The Logistics Specialist manages end-to-end transport and warehouse operations, ensuring compliance with customs regulations and driving cost optimization. Responsibilities include transport planning, customs clearance, freight cost analysis, warehouse oversight, and performance reporting.

GLEAMER, a French AI medical imaging company, seeks a Sales Manager to drive growth in Spain. The role involves direct sales to healthcare institutions, managing the full sales cycle, developing strategic partnerships, and analyzing market trends.

Medical Doctor specializing in integrative medicine and therapeutic fasting. Provides individualized care, oversees fasting processes, and collaborates with a multidisciplinary team.

Research Scientist in Medicinal Chemistry will design and synthesize new chemical entities for drug discovery projects. Responsibilities include contributing to project objectives, compound optimization, and collaboration with multidisciplinary teams.

Project Management Intern will collaborate on design, administration, and project management activities within the Design and Engineering Services department. The intern will gain experience in electronics product and test system design, lab administration, and process optimization.

Senior Sales/Business Development professional sought for a high-impact role in payments. Proven success in closing complex deals and generating revenue within payments, acquiring, or fintech required. Strong understanding of e-commerce, acquiring, alternative payment methods, and regulated environments. Fluent English required. Additional languages a plus.

AI Engineer needed for a 6-12 month freelance contract with potential extension. Design, develop, and deploy AI solutions, focusing on generative AI and AI agents. Must have 3+ years of AI experience, strong programming skills (Python, PyTorch, TensorFlow), and fluency in English. Spanish is beneficial.

Drive commercial expansion for H2SITE by identifying and pursuing opportunities in industrial and industrial gases sectors. Develop sales strategies, prospect customers, and present hydrogen separation solutions.

SAP Cloud Architect Advisory (CAA) role focused on guiding customers on their SAP landscape design and implementation on the SAP RISE platform. Responsibilities include reviewing technical accuracy of customer Bill of Materials, conducting technical assessments, and providing guidance on landscape architecture and sizing. Requires 6 years of experience in SAP Basis, SAP HANA and S/4HANA, migration/upgrades, and cloud platforms (AWS, Azure, or GCP). Excellent communication skills are essential for customer-facing interactions.

As a Purchaser & Technical Support, you will ensure the availability of parts and components for after-sales service projects. You will define purchasing and outsourcing solutions, manage supplier relationships, and provide technical support.

Social Media & Community Specialist needed to manage brand presence across Facebook, Instagram, YouTube, and X. Responsibilities include content scheduling, community engagement, direct message management, and campaign support. Must have proven experience in social media and community management with strong written American English.

Aistech Space seeks a Scientist in Maritime Remote Sensing to develop and deploy Machine Learning models for maritime applications using earth observation data. Responsibilities include creating image processing chains, developing vessel detection models, and collaborating with data scientists and software developers for seamless deployment. Must have experience with remote sensing data, geospatial image processing, vessel detection, and Synthetic Aperture Radar (SAR) data.

Civil Engineer to design and model civil systems, collaborating with multidisciplinary teams. Experience with Spanish design codes, standards, and authorities required. Proficiency in Autodesk Civil 3D and hydraulic modeling software. Minimum 3 years' experience in a civil engineering design office and fluency in English and Spanish.

The Norman Foster Foundation seeks a creative Content Creator to produce visual content for social media and digital channels. Responsibilities include shooting, editing, and producing video content, creating photographic content, and collaborating with the communications team.