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Office Assistant

Seedtag / Madrid / Administration & Events
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Job Overview

We are looking for an Office Assistant to join our team in Madrid and ensure smooth daily operations of our HQ.


Seedtag is the Leading Contextual Advertising Platform in Europe and LatAm with presence in 9 countries, and a few more on the pipeline. The company acquires premium digital ad inventory from publishers, automatically scans content via AI that provides human-like understanding of text and images and sells ad space/ contextual creatives that maximise association with/ integration of brands into the content.

The Company recently raised $40M in Series B round led by Oakley Capital, a well regarded growth PE fund in Europe, and has already initiated the next phase of aggressive growth to become the global leader in its space.


2014 · Founded by two ex-Googlers

2018 · Internationalization & consolidation in home markets

2021 · Fundraising round of $40M & +9 countries & +230 Seedtaggers


  • Supporting to the Workplace Manager
  • Taking care of office safety and risk prevention procedures and making sure we comply with health and safety regulation
  • Taking care of onboarding tasks for new Seedtaggers, such as preparing laptops and welcome materials
  • Assisting with facility calendar coordination, administrative tasks and accounting
  • Vendor management with our main HQ vendors, including catering and office supplies
  • Overseeing facilities and managing office supplies
  • Supporting with Inhouse Events and onboarding activities at the office
  • Managing corporate travel system
  • Attending the office phone and entrance
  • Receiving guests and packages
  • Day-to-day support tasks


  • Has at least 1 year of relevant work experience in a similar role, preferably in a dynamic and international environment
  • Is fluent in Spanish and has a good level of English
  • Is energetic, proactive and eager to work in a young dynamic environment
  • Is organized, responsible, and has great problem solving skills
  • Is a teamplayer who is hospitable, guest-oriented and has good communication skills

Latest Jobs at Seedtag

Seedtag Overview

Seedtag is the leading contextual advertising platform in Europe and LATAM. By contextually delivering ads through its proprietary AI technology based on Machine Learning algorithms, Seedtag offers advertisers an effective alternative to the use of cookies by targeting users based on their real-time interests. Seedtag was founded in 2014 by two former googlers with a clear mission: to change how online advertising is done. Today Seedtag has a large international presence with over 160 employees across the UK, France, Spain, Italy, Netherlands, Mexico, Brazil and Colombia.

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Seedtag Jobs by Location

Check below to see all of the open Seedtag jobs organised by office location.

Madrid (3)

Spain - Remote (1)

US - Remote (1)

Seedtag Jobs by Team

Check below to see all of the open Seedtag jobs organised by team.

Client Services & Strategy (1)

Engineering & Modelling (2)

Product & Design (1)

Technical Services (1)