intern internship English-speaking jobs in Cartagena

Full stack developer needed to strengthen brand presence in Spain. Requires proven experience, proficiency in English, and expertise in React, TypeScript, Java, Golang, Node, MariaDB, Elastic Search, Docker, Kubernetes, AWS/GCP, Github Actions, and practical AI usage. Must possess a quality-driven development attitude and knowledge of unit testing, secure development practices, and performance optimization.

The Sales Operations & Administrative Assistant provides operational and administrative support to management. Responsibilities include managing customer communications, overseeing the order-to-delivery cycle, preparing invoices, and maintaining customer data in the CRM.

Leads user acquisition strategy and performance across paid, organic, creator-led, and partnership channels for a fast-growing consumer technology business.

Provides logistics support for a pharmaceutical company, including inventory reconciliation, interface monitoring, distribution support, and delivery tracking.

Technical Application Engineer for Polyurethane Viscoelastic Foam (VEF) in Home Applications. Provide technical support, product validation, and customer service. Collaborate with sales and technical teams to achieve business growth.

Sales Manager to lead a team, drive sales performance, and ensure customer satisfaction. Develop sales strategies, manage sales consultants, and monitor sales performance.

The Robotics Automation Success Technician is a field-based role responsible for the entire robot lifecycle, from pre-sale demonstrations to post-deployment support. This role includes installation, customer training, usage optimization, and first-line technical support.

Prime Insights seeks a Data Analyst with 2+ years of experience to build and refine dashboards, analyze marketing data, and improve attribution models. The ideal candidate will have strong SQL skills, experience with BI tools like Metabase, and knowledge of mobile marketing analytics (ROAS, LTV, cohort analysis).

German-speaking Customer Support Specialist needed for a major international hotel chain. Handle inbound calls from German-speaking customers, assist with reservations, and provide excellent customer service. Must be native or bilingual German, have advanced English, and at least 1 year of customer service experience.

Stratence Partners seeks Senior Vice Presidents to lead global Commercial Transformation mandates. Roles combine revenue origination and executive-level delivery within a structured, IP-driven platform.

Design and implement AI agents using Salesforce Agentforce, integrating them with Sales Cloud, Service Cloud, or custom workflows. Build intelligent automations combining Agentforce, Apex, APIs, and external systems.

Field Application Engineer to install, configure, and debug machine vision equipment and robots at customer sites in Europe. Provide technical support, training, and collaborate with project managers. Fluent Spanish and English required.

Account Executive to manage the full sales cycle for the German market remotely from Spain. Requires fluency in German (C2) and Spanish or English (B2), 1.5-2 years of B2B/B2C sales experience, and strong negotiation and communication skills.

Technical Sales Engineer will lead packaging activity in Spain and Portugal, identifying new accounts, engaging with stakeholders, and closing deals. Requires 7+ years experience in industrial machinery or packaging, strong technical background, and fluency in Spanish and English or French.

Lead Hardware Engineer to drive hardware development lifecycle for electric aviation propulsion systems. Responsibilities include team leadership, system architecture, and coordination across multidisciplinary teams. Requires experience in EMI/EMC testing, LTSpice and MATLAB, and leading technical engineering activities.

This Short Term Trader role within ENGIE Global Energy Management & Sales focuses on optimizing energy assets in Spain and Portugal. Responsibilities include managing physical markets, defining bidding strategies, and coordinating production planning. The position requires a strong understanding of energy markets, financial principles, and data analysis.

The Director of Marketing will develop and execute a 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.

People Partner to support HR administrative processes and ensure accuracy, confidentiality, and care. Assist with recruitment, onboarding, employee relations, training, and payroll. Collaborate with department heads and promote a positive workplace culture.

Administers, maintains, and optimizes the Atlassian ecosystem including Jira Software, Jira Service Management, and Confluence. Designs and configures Jira workflows, schemes, and integrations. Collaborates with engineering and program management partners.

The Account Manager will acquire new accounts, manage client projects, and expand relationships. Responsibilities include identifying opportunities, understanding client needs, monitoring performance, and ensuring customer satisfaction.