intern internship English-speaking jobs in Cartagena

Evaluate a new AI personalization feature for Gemini, assessing the quality of model responses based on user's personal data and experiences.

Marketing & Trade Trainee will support the Marketing & Trade team in project development, brand management, and customer plans. Tasks include monitoring brand performance, sell-in/sell-out analysis, digital plan management, creative work oversight, competitor analysis, and sales support.

Design and develop FPGA-based solutions to accelerate AI and optimization workloads. Collaborate with software and research teams. Implement FPGA architectures (VHDL, Verilog, SystemVerilog).

As a Customer Success Representative, you will manage a portfolio of 200+ SaaS accounts, ensuring customer engagement, support, and retention. You will utilize HubSpot and internal playbooks to track customer health, resolve issues, and contribute to knowledge bases.

The Accounts Receivable Manager oversees invoicing, pricing, and credit management nationwide, ensuring control of the customer financial cycle.

External Sales Consultant to build and lead a multi-channel demand generation strategy for Spain. 5+ years of B2B growth marketing experience required. Proven success in building scalable lead generation programs and deep understanding of marketing funnels and conversion metrics. Fluent in English.

Venga seeks a CRM Specialist to own and execute the company's CRM strategy using emails, push notifications, and in-app messaging. The role involves designing, building, and optimizing automated communication flows, managing user segmentation, and monitoring CRM performance.

Business Analyst to support FX business process analysis, translate needs into user stories, and assist with backlog refinement and prioritization.

BUZZ seeks a Business Development Manager to drive regional sales and expand its power bank sharing network. Responsibilities include prospecting, qualifying, and closing new partners across various sectors, developing key accounts, and coordinating station installations. The ideal candidate has 2+ years of B2B sales experience, a strong understanding of unit economics, and the ability to manage a sales pipeline.

Motivated professional to join the Spanish Hospital Sales team to drive clinical practice change. This role involves selling to hospital accounts, building relationships with medical professionals, and achieving sales targets.

ENEB seeks a bilingual (English) Commercial Advisor/Sales Consultant to generate sales and close deals through phone and written communication. Responsibilities include sales closure, lead generation, customer service, and data recording. Requires 3-5 years of commercial sales experience, strong communication skills, and a results-oriented mindset.

Project Researcher Engineer to design, execute, and manage experiments focused on in vitro protein biochemistry, purification, reconstitution, and engineering. Responsibilities include cloning, protein expression, purification, characterization, and laboratory management.

Experienced Journalist needed to create breaking AdTech news stories for a B2B media platform. Responsibilities include writing, editing, SEO optimization, and collaborating with team members. Must have 5+ years of B2B digital journalism experience and a deep understanding of AdTech and MarTech trends.

Lead and inspire a senior team to drive commercial innovation and growth in a profitable maritime technology business.

Leads, coordinates, and supervises pharmaceutical development projects outside Spain and with external partners. Ensures quality development and technology transfer of solid oral and semi-solid dosage forms. Manages formulation, analytical, and process development activities, ensuring compliance with regulatory requirements and project deadlines.

Paid Media Specialist to plan, execute, and optimize multi-channel campaigns (Programmatic, Social, Search) for US market projects. Requires 5+ years of hands-on experience, strong analytical skills, and proficiency in GA4, Looker Studio, and platforms like StackAdapt, Doceree, Meta, and Google Ads.

The Data Technical Lead designs, implements, and ensures quality assurance of data solutions within a specific business domain. This role bridges enterprise data architecture and operational delivery, ensuring data initiatives are well-designed, implemented, scalable, and aligned with business needs. Responsibilities include technical design, implementation, and quality control of data solutions, including the evolution of the Data Lake.

The European Training Foundation (ETF) is seeking Migration and Labour Mobility experts for project-based assignments in Europe. Applicants must have a Master's degree or higher and relevant professional experience.

Full Stack Developer to design, develop, and maintain web applications using React.js and Node.js. Build and optimize Python-based services integrating Generative AI models. Deploy and manage applications across GCP and AWS. Expertise in React.js, Node.js, Python, and cloud services. Experience with microservices, RESTful/GraphQL APIs, and databases (SQL and NoSQL). Familiarity with DevOps practices and data processing.

SAP SuccessFactors Solution Architect needed to design and implement end-to-end solutions for global enterprises. Requires 5+ years of experience, strong communication skills, and B2 level German proficiency.