Accounts Payable Trainee

Trainee, Full-time · SP - Madrid

Job Description
We’re looking for an Accounts Payable Trainee to join our team in Madrid and help shape the future of contextual advertising as we continue to expand globally.


Who We Are
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 700 Seedtaggers across 17 countries, raising €250M to revolutionise digital advertising.


Your Challenge
  • Recording and coding invoices in NetSuite.
  • Reviewing invoices and purchase orders (POs).
  • Supporting approval and follow-up flows with other departments.
  • Collaborating on payment preparation and monthly closing tasks.
  • Maintaining documentation and internal controls for audits.

What You’ll Need to Succeed
  • Currently studying a degree in Accounting, Finance, Business Administration or similar.
  • Basic knowledge of accounting and Excel/Google Sheets.
  • Intermediate level of English (B1–B2).
  • Attention to detail and eagerness to learn.

Why Join Seedtag?
Growth & Opportunity: A key moment to join with vast career development prospects.
Flexibility: 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.
Learning & Development: Online courses in ODILO, and optional English or Spanish group classes.
Inclusive Culture: We foster a supportive environment that values personal growth.
Fun & Connection: Participate in team activities, company offsites, and more!

Additional Perks
  • Gympass: Access to wellness programs and fitness classes.
  • Seedsave Program: Exclusive discounts to help you save for the future.


Ready to join the Seedtag adventure? Send us your CV and let’s grow together!


At Seedtag, we’re committed to creating an inclusive environment where everyone can thrive. We welcome diverse perspectives as they fuel our innovation and growth. Please let us know if you require accommodations during the hiring process and we’ll ensure a positive and accessible experience.
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