intern internship English-speaking jobs in Cartagena

Designs end-to-end IoT connectivity solutions across various technologies including LTE, LTE-M, NB-IoT, 5G NSA/SA, and VoLTE. Translates product concepts into scalable technical architectures for managed connectivity platforms. Collaborates with product management, engineering, and network teams to implement solutions.

CX Researcher will enable customer-centric evidence in international digital environments. Plan and coordinate research, leverage team outcomes, synthesize and guide insights, and facilitate alignment.

The Director of Marketing will develop and execute the marketing strategy for a new luxury resort in Ibiza. This role will position the property and F&B outlets as a premier destination, ensuring brand visibility and revenue growth.

QC Supervision Technician will ensure GMP activities in the biological laboratory. Evaluate and review technical documentation, analytical results, and propose process improvements. Train analysts, maintain equipment, and draft SOPs. Coordinate the release of materials and support stability studies.

Coordinates and executes international congress experiences, ensuring alignment with strategy and creative standards. Manages timelines, budgets, and workflows to deliver high-quality, timely results. Collaborates cross-functionally with stakeholders to champion design quality and compliance.

Technical Office Lead for MEP works on a major European sports infrastructure renovation project. Leads technical and commercial management, coordinates with Design and Procurement, prepares budgets, monitors progress, and ensures cost control. Requires 5+ years experience in MEP (HVAC, plumbing, fire protection), cost control, and proficiency in Excel. Bachelor's degree in a related field and fluency in English and Spanish are mandatory.

As the Founding SDR, you will own the Spanish sales funnel, scale outbound operations, and document sales strategies for a rapidly growing AI startup. You will work directly with the CEO to refine product-market fit based on market feedback.

Receptionists provide exceptional customer service as the first point of contact for student queries and complaints. They manage daily reception operations, handle check-in/check-out procedures, and assist with administrative tasks.

COMSER seeks a Qualification and Validation Technician to design, develop, and execute validation protocols for pharmaceutical equipment and processes. Must have a scientific-technical university education and full professional level English.

Coordinates global clinical study execution, providing support to principal investigators. Develops study designs, protocols, and monitoring plans. Ensures compliance with GCP, ethical, and regulatory standards. Manages data analysis, prepares reports, and collaborates with cross-functional teams.

Data Analyst to develop, enhance, and maintain dashboards within an established reporting environment. Analyze data sources, translate business requirements into visualizations, and collaborate with a Databricks specialist. Requires a Bachelor's degree and experience with Power BI, Power Query, and DAX. Advanced English required.

Manage day-to-day bookkeeping, journal entries, and reconciliations. Support monthly, quarterly, and annual closings. Oversee accounts payable, receivable, and employee expenses. Ensure accurate coding of accounting entries and maintain organized financial records.

The Customer Success Associate owns customer relationships post-sale, ensuring customer value realization. Responsibilities include onboarding, adoption support, product expertise guidance, and customer feedback collection.

Staff Engineer to design and implement scalable, real-time systems using Python, Kafka, WebSockets, and similar tools. Experience with distributed systems, scalability, and real-time processing required.

Senior Salesforce Developer will architect and implement scalable Salesforce solutions, including custom objects, triggers, LWCs, and flows. Develop custom applications, integrate external systems via APIs, and design monitoring tools. Collaborate with cross-functional teams, define coding standards, and mentor junior developers. Requires 5+ years of Salesforce development experience, including Apex, Visualforce, LWC, and custom object modeling. Strong backend development skills in a language like Java, Python, or Node.js are also needed.

Inside Sales Representative will lead follow-up calls with prospective customers, represent a premium automotive brand, and collect customer insights. Must be bilingual in Dutch and English and have experience in customer service or sales, ideally within the automotive or luxury sectors.

G+D Mobile Security seeks a NetOps Engineer to operate and maintain IP and mobile packet core networks. Responsibilities include managing incidents, supporting customer projects, and troubleshooting network issues. Requires understanding of mobile roaming architecture, 2G/3G/4G/5G technologies, and experience with GRX/IPX networks.

Talent Acquisition Officer needed for corporate recruitment. Manage full-cycle recruitment processes, source candidates, and build relationships with hiring managers. Fluency in French and English required. Proven experience in high-volume recruitment and strong analytical skills are essential. Must be based in Barcelona or open to relocation.

Azure Platform Solution Architect will advise clients on Azure governance, design, and implement Azure solutions utilizing IaaS, PaaS, and Infrastructure as Code. Expertise in Azure technologies (Open Source on Azure, Kubernetes, Azure Virtual Desktop, Azure Frontdoor, Azure Migrate), Azure DevOps, automation, scripting, and cloud technologies is required.

Design Engineer with 3-5 years of experience in mechanical design needed. Responsibilities include developing components, creating technical drawings, and supporting design improvements. Must be proficient in Solid Edge or SolidWorks and have a B2 level of English. Requires regular travel to customer sites.