The English-language job board for Spain
Refinery is a technology company that provides a platform for managing and optimizing digital advertising campaigns.
This role involves investigating technical issues on publisher websites using web technologies. It offers practical experience in troubleshooting, website integrations, and advertising technology.
Supports the Madrid marketing team with content creation, SEO blogposts, social media and newsletters. Offers hands-on mentoring in a fast-growing AdTech company.
This role supports day-to-day accounting operations including accounts payable and reconciliations. It offers hands-on experience and internal training within an international AdTech company.
This internship involves investigating technical issues on publisher websites using web technologies. You will gain experience in troubleshooting, advertising technology, and data analysis.
Backend software engineer building agentic AI workflows on an AdTech platform, with full ownership from design to production.
Medior Data Scientist building statistical and machine learning models to optimize ad platform parameters. Runs A/B/n experiments and owns the full model lifecycle in a fully remote AdTech team.
This role involves creating and distributing diverse content formats to build brand awareness and support lead generation.
Senior Product Manager to lead the strategy and development of an advertising technology platform. The role offers private healthcare and a hybrid working model in Madrid.
Senior backend engineer building scalable services and AI agentic workflows on an AdTech platform. Offers full remote work within the European timezone with modern AI tooling.
This role leads the long-term product vision and strategy for an AdTech platform. You will scale the product organization and drive innovation in publisher monetization.
This entry-level role involves investigating technical issues on publisher websites using web technologies. You will troubleshoot HTML, CSS, and JavaScript while learning programmatic advertising.
This role supports day-to-day accounting operations within an international AdTech company. You will gain hands-on experience in accounts payable, reconciliations, and expense processing.
Finance intern supporting accounts payable, bank reconciliations, and expense processing at an AdTech company. Full internal training is provided and no prior experience is required.
This role provides technical and performance support to a network of digital publishers. You will troubleshoot ad-related issues and optimize programmatic setups.
Internship with Refinery89's Publisher Success team in Madrid, learning technical account management for publishers in the AdTech space.
This internship supports business development across Spanish-speaking markets in the AdTech industry. You will gain hands-on experience in sales, prospecting, and account management.
Refinery89 is seeking a proactive Sales Intern to support growth in Spanish-speaking markets. You will gain hands-on experience in business development, account management, and the AdTech industry.
This role supports administrative and financial operations, including invoice processing and reconciliations. It offers hands-on training and mentorship within an international AdTech company.
Refinery is a technology company that provides a platform for managing and optimizing digital advertising campaigns. The company's software helps brands and agencies automate, measure, and improve their performance across various digital channels, with a focus on data-driven decision-making and efficiency. Refinery operates globally, with a presence in the US and Europe, and serves a range of clients from direct advertisers to agencies.
In Spain, Refinery has established a growing office in Madrid, which serves as a hub for its Southern European operations. The company is known for a data-centric, performance-oriented culture, and its Spanish office actively hires international talent, particularly in technical roles like data science, product management, and software engineering. For international professionals, Refinery offers a dynamic, fast-paced environment where English is commonly used, making it an accessible entry point into the Spanish tech ecosystem.
Refinery was founded in 2015 in New York City as a technology company focused on digital advertising optimization. It has since expanded its operations to Europe, establishing a significant presence in Spain, and has grown into a global team of over 200 employees.