intern internship English-speaking jobs in Cartagena

Client Solutions Manager manages creative campaigns, builds client relationships, and drives revenue growth for premium brand accounts.

Experienced Key Account Manager needed for leading iGaming company. Manage and grow relationships with key online casino operators, identify growth opportunities, and collaborate with internal teams. Fluent Spanish and English required.

The Head of Internal Audit will oversee internal audit activities within a regulated payments environment, ensuring compliance with regulatory requirements. This role will monitor external audit providers, review audit reports, and report findings to senior management and the Board.

Brand Communication Manager will manage internal and corporate communications, including content creation, website updates, and social media engagement. The role requires strong digital skills, a commitment to brand consistency, and fluency in French, English, and German.

Senior Java Developer needed for a global technology organization. Design, build, and maintain high-performance applications. Collaborate with cross-functional teams and mentor junior developers.

This contractor will support the rapid assessment and rationalization of a critical application portfolio. Responsibilities include data validation, application assessment, modernization strategy development, financial analysis, and playbook creation. The role requires technical proficiency, data analysis skills, and cross-functional collaboration.

Datacenter Network Technician will perform fiber testing, cabling, and installation. Support network and server teams with rack and stack, circuit migration, and maintenance. Conduct failure analysis, perform functional testing, and update IT ticketing systems. Experience with server provisioning, troubleshooting, and fiber optic testing is required.

Luxury Rental Advisor needed for a high-impact role specializing in premium rentals within Barcelona's prime residential areas. Manage international client inquiries, curate property presentations, and negotiate agreements. Requires 3-5 years of experience in prime residential real estate, a proven track record of closing high-value transactions, and fluency in English and conversational Spanish.

Software Engineer to design and build a cloud-native Telemetry Router service for secure, high-volume data collection, transformation, and routing. Experience with Go, Kubernetes, and Kubernetes Operators is required.

Data Engineer to design, develop, and maintain ETL pipelines using Azure Data Factory, Databricks, and Spark for a German automotive client.

Project Strategist needed to lead complex projects across Spain and Europe. Support clients in expansion phases, coordinate stakeholders, and ensure project alignment. Requires 5+ years of experience in project management, delivery coordination, or strategic project roles. Must be fluent in English and Spanish and comfortable with travel.

Regional Key Account Manager will manage and develop sales of dealcoholisation solutions for the wine and spirits production sector. Responsibilities include prospecting new clients, managing existing client relationships, providing technical and commercial advice, and collaborating with internal teams.

Vue, a fast-growing skincare brand, seeks a Lead Graphic Designer to elevate brand visuals and ensure consistency across all customer touchpoints. This part-time freelance role (10-15 hours/week) focuses on brand design and visual leadership. Responsibilities include refining the brand look and feel, creating scalable design systems, and collaborating with the marketing team to ensure visuals support performance.

This VIE position supports the Head of Manufacturing Engineering at the Getafe plant, managing budget, performance, and workforce planning. The role also drives transformation and competence strategy, ensuring workforce skills align with future needs. Responsibilities include financial reporting, KPI monitoring, project portfolio oversight, and subcontracting governance.

Graphic Designer needed to define and evolve Vacway's visual identity across all channels. Design marketing materials, website assets, and social media content.

Business Development Manager needed for Europe team. 3+ years B2B sales experience in Geospatial industries required. Fluency in Spanish and English mandatory. Develop new distribution channels, manage key accounts, and achieve regional sales targets.

Field Service Engineer needed for TOMRA Food in Madrid or vicinity. Perform commissioning, operation, testing, integration, optimization, and maintenance of equipment. Collaborate with customers on-site and provide consultancy. Requires 5+ years of field service experience, fluency in Spanish and English, and the ability to travel 80% of the time.

Quality Control Specialist needed for pharmaceutical manufacturing. Investigate deviations, CAPAs, and OOT events. Perform QC activities including environmental monitoring, microbiological testing, and water system validation. Bachelor's degree in a relevant field and 3+ years of experience in GMP-regulated QC required.

Experienced SAP S/4HANA Master Data Lead/Business Data Owner needed for a 4-6 month contract. Drive data governance, quality, and continuous improvement across global S/4 environments. Lead MDM processes for Business Partner, Material, and Finance domains.

Cint seeks a Senior BI Data Architect to lead the technical evolution of its data platform for a six-month fixed-term contract. This role involves designing and implementing a Databricks Lakehouse, migrating legacy SQL, and building the semantic layer for self-service analytics. Responsibilities include optimizing query performance, governing the Databricks compute footprint, and partnering with stakeholders to translate business questions into scalable data solutions.