We are looking for a talented Finance & Accounting Controller to 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 & +250 Seedtaggers

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


  • You will be responsible for the reconciliation of the bank accounts.
  • You will be responsible for the accounting and control of the accruals and loans.
  • You will be part of the monthly closing accounting process.
  • You will be responsible for the correct accounting of the factoring of the company.
  • You will support and cooperate with the financial monthly, quarterly and annually closing process.
  • You will collaborate to develop appropriate processes for the accounting and closing procedures.
  • You will reconcile VAT and other taxes with the declarations submitted in each country.
  • You will participate in the external audits process.
  • You will support the team in projects related to the accounting area.


  • You have a business management or finance related degree.
  • You have between 2-3 years of a strong accounting background and tax knowledge.
  • You are fluent in English and Spanish. Other languages would be an advantage.
  • You have thorough experience with spreadsheets and excel.
  • You are attentive to detail and well organized.
  • You possess strong prioritization skills; flexibility and ability to multitask on a daily basis
  • You are not afraid to speak up, make mistakes, learn from them and propose improvements.
  • You have an international and multicultural mindset.


We are an AdTech family where innovative ideas and new ways to do things are welcome, 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 from Europe, LATAM and so many more!, where you will have the chance to impact directly on the company results. Everyone is willing to help because we are all committed to a common objective, making Seedtag the best company in the world!

Seedtag DNA is unique from the very beginning, we celebrate and embrace diversity, also we want all our members (They, he or she) to feel like home, all of the human differences are welcome.


“At Seedtag we are looking for young talent eager to take the next step joining a growing and dynamic company with a bright future ahead. Also you will be part of the finance team which is composed of fantastic professionals with which you will grow and learn. After almost four years at the company I can say that the best is yet to come so come on board. “ Guillermo Armenteros (Finance Control)


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

💯 One Seedtag: Work for a month from any of our open offices with travel and stay paid if you’re a top performer (think of Brazil, Mexico..., 🏖️)

🍽️🚘 Access to a flexible benefits plan with restaurant, transportation, and kindergarten tickets and discounts on medical insurance

⌛ 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!