intern internship English-speaking jobs in Cartagena

Develop AI solutions using Node.js to solve business challenges and integrate them across Bunzl Continental Europe's operating companies. Collaborate with teams to implement AI solutions and provide training on AI technologies. Maintain and enhance existing AI applications.

Lead accounting operations and set up new accounting functions in Bilbao for multiple European entities. Manage all accounting functions, ensure accurate financial reporting, and drive process improvements.

As a Global Partner Marketing Manager at Group-IB, you will design and scale the global partner marketing program, driving measurable growth across regions. You will build co-marketing campaigns with top-tier partners, elevate Group-IB's brand within the partner ecosystem, and support partner recruitment strategies.

The Operations Manager will establish and manage day-to-day operations in Spain, coordinating with internal teams and vendors. Responsibilities include setting up operational processes, defining Salesforce workflows, managing consultants, and supporting public tender submissions.

Accounts Receivable Specialist needed for HQ Finance Team. Responsibilities include monitoring accounts, investigating outstanding debts, contacting clients, processing payments, resolving billing issues, and reporting on collection activity. Proven experience as an Accounts Receivable/Collection Specialist and English fluency are required.

The O&M Manager oversees the operation and maintenance of a PV project, ensuring energy production, availability, and PR objectives. Responsibilities include managing technical aspects, coordinating teams, optimizing procedures, and ensuring safety protocols.

International Product Manager will work in a global environment, collaborating with Area and Store Managers to implement commercial strategies. Responsibilities include analyzing sales data, identifying opportunities, and coordinating product distribution. Requires a minimum of 2 years of experience as a Product Manager, fluency in Spanish and English, and strong analytical skills.

Senior Customer Support Agent needed to provide technical and non-technical support to customers via chat (Intercom). Must be fluent in English and French, with experience in a B2B SaaS environment.

AirAdvisor seeks a Litigation Lawyer specializing in consumer flight claims to handle in-court collections. Responsibilities include filing legal claims, representing AirAdvisor in court, and enforcing court judgments. Must have a valid Attorney at Law license in Spain and experience with in-court collection.

Software developer with 2+ years experience in backend development (J2EE, Java) and proficiency in Java, Python, Shell scripting, and Linux/UNIX scripting.

The CMA CGM Group seeks an Intermodal Business Developer to drive customer acquisition, expand network reach, and achieve revenue growth targets. The role involves developing sales strategies, managing customer relationships, and analyzing market trends.

Graphic Design Intern to support marketing efforts in Barcelona. Develop visual content for digital, social, and print platforms. Collaborate with the marketing team on campaigns and brand activations. Proficiency in Adobe Creative Suite required.

WeGrow seeks a Sales Manager in Spain to develop and execute sales strategies, manage customer and supplier relationships, and drive sales execution. The ideal candidate will have a strong understanding of agricultural markets, technologies, and experience in WSF, inhibitors, and/or biostimulant sales.

QA Manual will contribute to end-to-end testing activities across complex projects. Responsibilities include designing and executing test strategies, performing manual and API-based testing, and using Azure DevOps for test tracking and reporting. Requires 5 years of experience as a Software Tester or QA Engineer, strong proficiency with Azure DevOps, Postman, and Katalon, and advanced proficiency in Spanish, English, and French.

The AMD Physicochemical Laboratory Technician will coordinate the development, implementation, qualification, and transfer of physicochemical analytical methods. Responsibilities include designing experiments, reviewing documentation, generating protocols and reports, supervising sample analyses, and developing standard operating procedures.

Verification Engineer to develop and execute verification plans for complex digital architectures, switch designs, and chiplet-based systems for high performance ASICs.

The Concierge provides exceptional service to guests, focusing on VIPs, loyalty members, groups, and concierge class. Responsibilities include managing events, addressing guest concerns, maintaining lounge areas, and coordinating personalized services. Requires excellent communication, organizational skills, and 2-3 years of experience in a similar role.

Director of Engineering to lead and coordinate multi-disciplinary engineering teams across mechanical, electrical, and systems domains. Translate strategic objectives into executable engineering plans and drive a culture of accountability and problem-solving.

Leads strategic relationship with a global talent solutions partner, driving new client acquisition and growth in existing accounts. Designs and executes commercial strategy for high-value B2B solutions, managing international coordination and commercial alignment.

Develop and execute SAP test plans, create standard procedures, and coordinate with plant leads and integrators. Requires a university degree in IT or Engineering, previous SAP training and technical support experience, and fluency in English and Spanish.