Junior Digital Marketing Intern (Becario)
Refinery89 is looking for a proactive and creative Junior Digital Marketing Intern (Becario) to support our Marketing team in Madrid. This opportunity is designed for a recent graduate who wants to develop practical skills in digital marketing within a fast-growing AdTech environment. You’ll work under the guidance of our CMO and collaborate with different teams while learning how marketing initiatives are planned, executed, and measured across EMEA.
🚨 This is an in-person internship based in our Madrid offices. Applicants must already reside in Madrid and have at least a B2 level of English. 🚨
Key Responsibilities (Learning Areas)
Under supervision, you will learn to:
• Assist in creating and scheduling content for social media, newsletters, and our website.
• Support marketing campaigns (email, paid, and organic) by preparing assets and collecting performance data.
• Collaborate with internal teams on case studies, presentations, and internal communication materials.
• Help maintain and update marketing materials, including website content and visual assets.
• Conduct basic market research and competitor benchmarks to identify trends.
• Assist with event coordination for internal meetings, conferences, or partner-related activities.
Qualifications
• Education Bachelor’s degree in Marketing, Communications, Business, or a related field. Recent graduates or candidates eligible for a becario contract are welcome.
• Experience Prior internships or academic projects in marketing, communication, or advertising will be considered a plus.
• Languages Minimum B2 level of English.
• Technical Knowledge Familiarity with Google Analytics, Google Ads, Meta Ads Manager, Canva, or similar tools is an advantage.
Skills
• Strong attention to detail and eagerness to learn.
• Clear written and verbal communication skills.
• Basic understanding of digital marketing fundamentals (SEO, PPC, social media, analytics).
• Organized and proactive approach to tasks.
• Creative mindset with interest in data-driven marketing.
What You Will Gain
• Hands-on learning in a dynamic and international environment.
• Day-to-day mentoring from experienced marketing professionals.
• Competitive becario compensation package.
• Exposure to the AdTech ecosystem and digital performance marketing.
• A relaxed, direct, and open Dutch-influenced work culture.
• Team gatherings on Friday afternoons.
About Refinery89
Refinery89 is an AdTech company headquartered in Amsterdam with offices in Madrid. We help publishers optimize programmatic performance using advanced, data-driven technology. Our international team works to make digital advertising more transparent, efficient, and impactful.
📍 Location Madrid, Spain
💼 Type Internship ( Becario)
🕒 Schedule Full-time
📅 Start Date January
If you’re ready to start your career in digital marketing and grow in a fast-moving AdTech environment, we’d love to hear from you. 🚀

Refinery89 is a Google Certified Publishing Partner and member of IAB Europe's Transparency and Consent Framework driven to revolutionize AdTech.
As the #1 Publisher Network in Europe and Latam, we help Publishers monetize their websites in the easiest way possible with our premium solutions specially designed to maximize ad revenue. On top of that, we count on a direct sales team to further increase Publishers’ ad inventory value and optimize Advertiser’s ad campaigns to achieve the best results!
Born from Dutch roots and headquartered in sunny Madrid, Refinery89 has grown into a global team of passionate professionals of over 20 different nationalities prepared to give Publishers and Advertisers personalized attention every step of the way.
Let's work together to bring in fantastic results!
Meet our award-winning solutions:
- Single Tag (Connect your website to over 25+ premium demand sources to maximize ad revenue): https://refinery89.com/single-tag-revenue-growth/
- Monetize App SDK (Access premium demand to monetize your app's ad space without breaking your head in the installation process): https://refinery89.com/monetize-app-sdk/
- Interest Driven Targeting Technology (Advertiser's new best friend for cookieless targeting): https://refinery89.com/advertisers/
Ready to step up your ad game? Reach out to us: https://refinery89.com/contact-us/
#Refinery89 #ForPublishersByPublishers #ProgrammaticAdvertising #AdTech