Posted Jul 13, 2026

Senior Data Scientist (m/f/d)

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Senior Data Scientist (m/f/d)Europe, Remote

Hello๐Ÿ‘‹I am Puneet, Co-founder and CPO at Kayzen, and I am now looking for a Senior Data Scientist to join our team ๐Ÿ™Œ

But wait, you have not heard of Kayzen before?๐Ÿ˜ƒ

Kayzen is a mobile demand-side platform (DSP) dedicated to democratizing programmatic advertising. We enable leading apps, agencies, media buyers, and brands to run programmatic customer acquisition, retargeting, and brand performance campaigns through its self-serve and managed service options. Built on the three core pillars of performance, transparency, and control, Kayzen powers the worldโ€™s best mobile marketing teams with bespoke solutions that fuel business growth and deliver a competitive advantage. With an unprecedented scale of 160B+ daily ad requests from 1.6B+ unique users worldwide, we serve up to 1B+ ads per day in 180 countries. Kayzen is accessible through our APIs and user interface.

The Team

You will work with a carefully selected, diverse and globally distributed Data Science team (like Heiko, Chen) on various machine-learning models that process terabytes of data, serving billions of ad requests and users around the globe in real-time. We are highly motivated and aligned in our quest to disrupt the multi-billion dollar ad-tech industry. We would like you to be part of our journey, as our Senior Data Scientist (m/f/d).

Responsibilities

Our day-to-day work in Data Science and Machine Learning encompasses a wide range of activities, including:

Youโ€™ll be a great fit if you resonate with the following principles of Data Science and Machine Learning:

Requirements

What do we offer?

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