We’re looking for a Junior Product Manager, In-App to join our team in Madrid and play a key role in shaping the future of neuro-contextual advertising at a global scale.
Seedtag is the leading Neuro-Contextual Advertising Company.

We are redefining how advertising works in a privacy-first world by moving beyond keywords and cookies, towards understanding human emotion, intent, and context.

Powered by advanced AI and neuroscience, our proprietary technology, Liz, delivers a deep, human‑like understanding of content and attention. This enables brands to connect with audiences at the right moment, in the right mindset, with ads that are relevant, engaging, and respectful of the user experience.

Founded in 2014 by two ex-Googlers, Seedtag has grown into a general company with 500+ Seedtaggers across 17 countries, backed by €250M in funding, and expanding rapidly across the open web and Connected TV.

We’re not just building technology, we’re rewriting the rules of advertising.

On the web, context comes from reading the page. We need new ways to understand what an app is about,



when it is a good place for a brand, and how to make it easy for advertisers to buy.

You will be mentored by a senior product team on product management and the adtech ecosystem. As Junior Product Manager, In-App, You Will

Work with engineers, data scientists and designers to define, build and ship In-app features: ad formats, targeting, monetisation, campaign delivery, performance and user experience.

Build prototypes and internal tools yourself, using code and AI tools, to test ideas fast before we commit engineering time.

Define and track product KPIs, analyse product and campaign performance, and run A/B tests to validate new features.

Support launches end to end: testing, rollout and post-launch analysis, plus product material, demos and trainings with marketing and sales.

You have already built something real with code or AI tools: a side project, an internal tool, a prototype, an

📌 Product Manager Junior (Madrid)
🏢 Seedtag
📍 Madrid