We’re looking for a Business Data Analyst Trainee to join our team in Madrid and help shape the future of contextual advertising as we continue to expand globally.
At Seedtag, we lead the way in contextual advertising with our machine learning‑powered platform. Our technology provides superior brand safety, human‑like content understanding, and advanced cookieless targeting, making ads more engaging and respectful. Founded by two ex‑Googlers in 2014, we’ve grown to over 600 Seedtaggers across 18 countries, raising €250M to revolutionise digital advertising.
Support the Data & Insights team in transforming data into meaningful business insights.
Assist in analysing the performance of Seedtag’s Contextual products and internal processes.
Help build tools and dashboards that support data‑driven decision‑making across teams.
Gain exposure to the adTech ecosystem and develop business acumen.
Currently completing or recently completed a Bachelor’s degree in Business, Economics, Mathematics, Computer Science, Engineering, or related fields.




Strong interest in data analysis, business intelligence, and technology.
Basic knowledge of SQL and a willingness to develop your technical skills.
Python, R) or Excel/Google Sheets.
Curiosity about data visualisation tools such as Looker, Power BI, or similar platforms.
Motivation to understand how data impacts business decisions.
A good level of English, both written and spoken.
Have worked on academic or personal projects involving data analysis or reporting.
Have taken online courses or earned certifications related to SQL, data analytics, or visualisation.
Understand basic business KPIs or performance metrics.
At Seedtag, we trust you to balance work and life effortlessly with the option to work from home, the office, or even the beach in our hybrid mode.
Online courses in ODILO, and optional English or Spanish group classes.
Entry level
Full‑time

📌 Data Business Analyst (Madrid)
🏢 Seedtag
📍 Madrid