Start: March-April 2024

Period: 6 months

Working hours: Fulltime

Location: Madrid, Spain

We are looking for a talented Performance Trainee to join our Performance team and help us change the world of digital advertising together.


Seedtag is the leading Contextual Advertising Platform. Our proprietary, machine learning-based technology provides human-like understanding of the content in the web, the highest level of brand safety in the industry and unmatched cookieless targeting capabilities.

We engage with the market on both demand and supply side to create, activate and launch high-quality advertising campaigns at scale. We are committed to creating a more beautiful, respectful and engaging way to do advertising.


2014 · Founded by two ex-Googlers

2018 · 16M total turnover & Internationalization & Getting growth

2021 · Fundraising round of 40M€ & +10 countries & +230 Seedtaggers

2022 · Fundraising round of 250M€ + expansion into the U.S market + 400 Seedtaggers


  • Learn how to manage campaigns in different DSPs applying our contextual technology
  • Achieve the agency and clients expectations optimizing their campaigns
  • Supporting our Account Management (AdOps) team with the campaigns learnings
  • Analysing data from the campaign to do the correct optimizations
  • Making data-driven decisions that directly impact the business results of the company


  • You are graduating or recently graduated in a relevant field such as programmatic, advertising or digital marketing
  • You have a fluent command of Spanish and a good level of English
  • You are energetic, proactive and eager to work in a startup environment
  • You have great communication skills and you are not afraid to take risks
  • You have strong analytical skills and know how to work with excel

It would be a big plus if you

  • Have knowledge of the programmatic environment
  • Have any previous experience in a similar company or sector


🚀 Key moment to join Seedtag in terms of growth and opportunities

⌛ Flexible schedule to balance work and personal life

🏋 Gympass

🇬🇧 🇪🇸 🇫🇷 Optional company-paid English, Spanish and/or French courses

📚 Access to learning opportunities (learning & development budget)

🍻 We love what we do, but we also love having fun. We have many team activities you can join and enjoy with your colleagues!


  • Growth: International, highly demanding work environment in one of the fastest growing AdTech companies in Europe. We reject "that’s the way it’s always been done". In Seedtag you can find an energetic, fresh workplace, multicultural work environment where our members are from different countries in Europe, LATAM, US and so many more!
  • Impact: The chance to have a direct impact, here you don't work for the sake of working, we all have an impact on seedtag in our own way, rowing in the same direction.
  • Diversity of methodology and people: Seedtag DNA is unique and highly appreciated by very different types of Seedtagers. We embrace diversity and encourage everyone to seek the best version of themselves and to show who they really are. With a total flexible methodology.
  • Flexibility: At Seedtag, we trust you, you can work from home, the beach or the office. The important thing is to work on your goals.

Are you ready to join the SEEDTAG adventure? Then send us your CV!