intern internship English-speaking jobs in Cartagena

Executive Search Consultant needed for a growing boutique firm. Responsibilities include defining search strategies, identifying candidates, conducting interviews, and preparing candidate lists. Strong research, analytical, and interpersonal skills required. Fluency in Spanish and English is essential.

Lead a manufacturing unit, driving safety, quality, productivity, and cost performance. Manage the unit's P&L, ensuring long-term sustainability and making data-driven decisions. Empower and elevate a team of Process Engineers, Production Shift Leaders, and Maintenance personnel. Champion Lean Manufacturing principles and cultural change initiatives.

The Data Technical Lead designs, implements, and ensures quality assurance of data solutions within a specific business domain. Responsibilities include leading technical design on Azure/Microsoft Fabric, ensuring data governance standards, overseeing data pipeline implementation, and defining data quality metrics.

MediaMint seeks a driven Ad Success Representative (French) to manage client relationships, execute campaigns, and analyze performance. Requires 3+ years in Customer Success, Account Management, or Ad Ops, fluency in English and French, and experience with digital advertising platforms.

This role involves enhancing user safety by monitoring threats, abuse patterns, and regulatory developments. The Trust & Safety Manager will implement safety frameworks, collaborate with product and engineering teams, and cooperate with moderation teams.

Software Engineer — AI & Trading Infrastructure will design, build, and scale the backbone of our algorithmic trading and SMA execution platform. Responsibilities include architecting and scaling trading and portfolio infrastructure, integrating AI into investment research and execution workflows, and building and enhancing market data pipelines.

Key Account Manager manages relationships with distributors, customers, and internal departments. Leads financial management of the Fresh-Cut business, including P&L, profitability, and budget. Manages commercial relationships with retailers, including contracts, pricing, and promotions. Requires a bachelor's degree, sales experience, fluency in English, and strong IT skills.

Shape and optimize the product roadmap for a sports prediction gaming platform. Own product strategy across career progression, DFS-style gameplay, and social casino mechanics. Drive data-driven product development and collaborate with cross-functional teams.

Jira Administrator needed to manage and optimize the Atlassian ecosystem (Jira Software, Jira Service Management, and Confluence). Responsibilities include configuring workflows, implementing automations, and collaborating with engineering and program management teams. Experience administering Jira, understanding Jira APIs, and knowledge of agile methodologies are required.

Leads packaging development and innovation for home care and personal care products, ensuring sustainability, cost-effectiveness, and manufacturability. Manages projects, analyzes market trends, and collaborates with cross-functional teams. Requires 7+ years of experience in packaging roles, 3+ years in leadership, and a Bachelor's degree in Engineering.

Provides financial advisory expertise in the origination, development, and due diligence of sustainability-linked projects across various sectors. Supports project leads in identifying financial instruments and managing due diligence processes. Requires 5+ years of experience in debt advisory, infrastructure/energy finance, or public financial management. Fluency in English and at least one additional language is required.

UNICEF's Digital Impact Division seeks an AI Communication Consultant to develop and manage AI communication content, implement the AI communication plan, and prepare communication materials for workshops and conferences.

Senior UI Artist to design and implement engaging, accessible UI for a mobile game. Collaborate with designers, UX specialists, and developers to ensure smooth integration and maintain visual consistency. Proven experience working on mobile games, ideally in the casual or social gaming space, required.

Provides installation, commissioning, and troubleshooting support for Huawei solar equipment. Trains customers on system operation and maintenance. Requires technical expertise in AC/DC power conversion, electronics, and communication hardware. Must have strong communication and problem-solving skills. Bachelor's degree in a relevant field and 1+ year of technical service experience required.

Senior Java Developer to design, develop, and maintain backend applications. Requires 2-5 years of Java experience, REST API knowledge, and familiarity with AWS Cloud, Docker, and Kubernetes.

Creative Strategist to lead content strategy and creative production for paid social channels. Develop high-performing creatives, translate data into scalable strategies, and collaborate with the paid media team.

Pricing & Trade Terms Lead for a 3-month contract in Iberia. Review, improve pricing structures, discounting, and trade terms to enhance profitability and create a scalable commercial model.

Freelance private chef sought for a beautiful family villa in Formentera Island. Prepare daily breakfast, lunch, and dinner for 2 adults, with occasional service for up to 12 guests. Healthy, refined Mediterranean/Asian-inspired cuisine. Private ensuite room and fully equipped kitchen provided. June to September 2026 with possible extension.

Senior Full Stack Developer to build and scale a core fintech platform. Design, build, and maintain features across the full stack, including API integrations with banking systems. 5+ years of experience required, with expertise in Java/Kotlin, Spring Framework, React, MongoDB, Docker, and microservices.

Support brand growth and visibility by contributing to content and marketing initiatives. Collaborate with cross-functional teams on content creation, social media management, event planning, and reporting.