intern internship English-speaking jobs in Cartagena

Senior Fullstack Engineer to design, develop, and maintain scalable, secure, and efficient server-side applications. Experience in microservices architecture, API development, database management, and frontend development is required. Collaborate with frontend engineers, product managers, and other stakeholders to build robust backend solutions.

Leads a large-scale CRM team, developing and executing customer engagement strategies to drive loyalty, retention, and growth. Oversees daily operations, technology selection and optimization, and multi-channel campaign delivery. Analyzes customer data, tracks key metrics, and collaborates with cross-functional teams.

Senior Pre-Sales / Solutions Engineer supports commercial activities across Europe for a fast-growing international software company delivering energy solutions. The role involves understanding customer requirements, positioning tailored software solutions, and collaborating with sales and technical teams.

Supports international expansion and fundraising efforts. Tracks fundraising plans, coordinates meetings, and prepares marketing materials. Assists with investor relations activities, including due diligence and reporting. Requires a bachelor's degree and 1-2 years of experience in finance.

Ivy Decarb seeks a Machinery Director for Wet Processes to lead technical strategy and global network development for textile machinery. Requires expertise in wet process textile machinery, global textile markets, and commercial strategy.

The Controlling Functional Expert supports and evolves the controlling application landscape. This role partners with stakeholders, Digital teams, and support functions to ensure stable operations, optimize processes, and drive business value initiatives. The expert provides functional and technical knowledge, guides solution design, and ensures adherence to architecture, integration, and governance standards.

Decathlon seeks a Logistics Leader to manage and optimize the B2C supply chain in Iberia. The role involves developing and implementing logistics strategies, managing budgets, and collaborating with teams to improve service efficiency. Requires a Bachelor's/Master's degree, 3+ years of relevant experience, and proficiency in Excel, SAP, or IBM tools. Advanced English is essential.

Azure Cloud Security Engineer will ensure the security and resilience of Azure Public Cloud infrastructure. Responsibilities include implementing Vulnerability Management processes, validating secure configurations, and using Infrastructure as Code. Experience with containerized environments, Git, Azure DevOps, Python, Bash, PowerShell, and Terraform is required.

Coordinates and oversees application penetration testing and Static Application Security Testing (SAST) services, ensuring compliance with security standards and timelines. Acts as the primary link between internal cybersecurity teams and external vendors. Requires 4 years of experience in cybersecurity fields and strong knowledge of application security and penetration testing methodologies.

Stark Future is seeking a Senior Backend/Platform Engineer to design, develop, and maintain backend services and APIs in Python/Node.js. The ideal candidate will have 5+ years of experience building production back-end services, mastery of computer science fundamentals, and strong experience with distributed systems. Responsibilities include troubleshooting production issues, collaborating cross-functionally, and staying current on industry trends.

Portfolio Manager will maximize the value and liquidity of a portfolio of high-end vacation homes by making investment, product, and customer experience decisions. Responsibilities include evaluating assets, defining product-market fit, managing portfolio performance, and driving sales.

Remote CDP Platform Manager needed to support a new project. Responsibilities include configuring, integrating, and maintaining the Treasure Data CDP, translating business requirements into technical specifications, and facilitating integrations with marketing automation platforms. Fluency in English is required.

Customer Success Engineer will guide customers through onboarding and implementation of Bright's DAST solution, provide technical support, conduct training, and advocate for customer needs.

Design and deliver scalable enterprise solutions aligned with business and IT strategy. Define end-to-end architectures and drive innovation across automation, data, and AI platforms.

Sales Assistant for Antonioli's Ibiza store. Welcoming customers, providing sales assistance, product consultation, and restocking merchandise. Solid sales experience in luxury brands and knowledge of fashion trends required.

Manage high-volume inbound and outbound sales motions across all stages of the sales funnel via phone, email, video, and social media outreach for B2B. Identify key point of contacts and actively manage sales pipeline. Document interactions on Salesforce and transition qualified leads to the onboarding team.

Upstream Technician needed for biosimilar molecule production. Responsibilities include cell culture process development, cell clarification, and technical leadership for analysts. Requires a degree in a relevant field and 1+ years of experience in upstream activities. Must be fluent in Spanish and have working knowledge of English.

The Brand Copy Project Specialist ensures the efficient execution of Camper's copy and product communication initiatives. This role coordinates projects across product, brand, digital, and content teams, improving workflows and processes. Responsibilities include leading product communication projects, overseeing content production, driving operational efficiency, and acting as a central point of coordination for copy and product communication projects.

Global Category Manager for Capex will develop and implement procurement strategies for capital equipment purchases. Responsibilities include managing supplier relationships, driving cost optimization, and leading end-to-end procurement of capital equipment, engineering services, and site projects.

Content Designer needed for innovative e-commerce project. Collaborate with global teams to create clear, consistent, and user-focused digital experiences. 3-5 years of professional writing experience required.