English-speaking jobs in Cartagena

Doofinder seeks a Business Development Manager to drive business growth in the Polish market. This role involves identifying and prospecting clients, managing the full sales cycle, and exceeding revenue targets. The ideal candidate has 1-2 years of B2B sales experience, a proven track record of closing deals, and strong communication and negotiation skills. Native Polish with fluent English or Spanish is required.

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.

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.

Leads the growth strategy and execution of existing partnerships with Snowflake and GCP. Develops partnerships to create sales opportunities for Enterprise Account Executives. Requires extensive SaaS partnership experience, specifically with Snowflake and/or GCP.

Lead Electronic Engineer will be responsible for hardware conception, design, and build of new products and systems. Tasks include electronic circuit design and analysis, PCB layout, simulations, and interaction with customer technical teams. Requires 6-8 years of experience in hardware electronic design and proficiency in Cadence Allegro.

Salesforce Technical Lead needed for a Merkle & Dentsu company specializing in Customer Experience services. Provide technical support, design solutions, and ensure project success. 3+ years of Salesforce implementation experience required.

Detection Engineer will design, develop, and tune detection rules in Microsoft Sentinel and Defender to enhance incident detection and response. Collaborate with offensive and defensive teams to improve detection quality and visibility. Analyze attacker simulation results and develop threat detection and mitigation strategies.

The Solution Architect for Hyperautomation and Process Insights will design and implement solutions aligned with business requirements and enterprise architecture standards. Responsibilities include providing solution design support across data, task & process mining, front-end analytics, workflow & automation, and AI/ML domains. The role will guide and support other architects in developing and documenting architectures for complex projects.

Field Service Technician needed for a 6-9 month project inspecting, testing, and verifying medical devices in hospitals and clinics across Spain. Requires 2+ years of experience with medical devices, testing, and maintenance, and strong communication skills.

Leads regional traffic strategy and growth for Western Europe e-commerce. Manages traffic across Mi.com, affiliate marketing, PPC campaigns, and Amazon. Analyzes performance data and optimizes strategies.

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.

Develops strategic narratives and executive-ready content for ABM programs across global strategic accounts. Translates complex themes into compelling messaging frameworks and content that resonates with multi-stakeholder audiences. Creates executive assets such as briefing documents, talking points, and value frameworks. Collaborates with agencies to ensure messaging coherence and storytelling quality.

Provides technical support for industrial automation systems, diagnosing issues, performing maintenance, and assisting with installations.

Pareto.AI seeks an Applied Economist to evaluate an AI model's ability to replicate empirical economics research findings. Responsibilities include identifying suitable papers, writing prompts for the AI, and creating rubrics to assess its performance. PhD in Economics required, with hands-on experience in causal inference methods and familiarity with replication-friendly microdata.

Senior Frontend Developer to lead the development of a next-generation checkout experience. Design and build high-performance React interfaces, integrating with backend APIs and eCommerce platforms.

Sales Product Specialist will support sales conversations, shape go-to-market strategy, and drive customer adoption of new products. Requires 3+ years of experience in a sales-facing product role and strong commercial mindset. Fluent German and professional English required.

The NTG Commercial Graduate Program is a two-year development pathway across Southern Spars, Future Fibres, Hall Spars, and RigPro. Graduates will complete two 12-month placements across two of five locations, gaining exposure to commercial and marketing disciplines. Applicants should have a passion for sailing and a relevant academic background.

Brand Marketing & Digital Creation Intern to shape visual identity and online presence. Will design website, templates, digital assets, and LinkedIn presence using AI tools and no-code platforms. Fluent English required.

Cloud Platform Architect needed to define and evolve cloud architecture standards, ensuring scalable, secure, and efficient environments.

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.