Careers > Senior Data Scientist (m/f/d)
Last modified 10/19/2022 3:27:51 PM

Senior Data Scientist (m/f/d)

Permanent contract
Berlin, Germany
5+ years experience

About Kayzen

Kayzen is the future of mobile marketing — building software that allows mobile app developers to connect with their users. 

We are a B2B SaaS platform that allows companies to run mobile programmatic marketing in-house.

Programmatic marketing, put simply, is the process of automating the buying and selling of digital ads in real-time. Programmatic in-housing takes this one step further by allowing advertisers to fully own the technology stack and skills required in this process.

Programmatic in-housing is still in its early days of adoption in the mobile advertising market. This is where we have impact!


The Team

You will work with a carefully selected, diverse and globally distributed team from customer success, engineering, data science, design, product and more. 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).



  • Working on large-scale machine learning challenges that impact millions of people around the globe

  • Researching and implementing cutting-edge algorithms that work with massive data sets in real-time

  • Working on a large variety of different tasks, ranging from prediction models, cluster algorithms, optimization problems, to outlier detection

  • Implementing fast, scalable solutions with optimal performance day in and out

  • Full-stack responsibility from model training, evaluation, to monitoring in production

  • This position will play a crucial role in the full product development lifecycle. Machine learning is the core of our business, and the role will be responsible for all phases of the product development lifecycle



  • Extensive experience with the development of data-science products from research to production is essential

  • Excellent coding skills with the attitude of clean code, reproducibility, and testing

  • We use Python, TensorFlow, spark, Hadoop, airflow, docker, and SQL, experience with these technologies is important

  • Experience with algorithms to handle sparse and large datasets for prediction, clustering, outlier detection would be a great asset

  • Knowledge with reinforcement learning and optimisation problems on a large scale is a big plus

  • A decent understanding of dashboards and SQL will help to develop and improve monitoring tools

  • Developing data products from scratch and a high level of proactiveness are crucial in this role

  • Ad-tech, marketing-tech experience is a big plus


What do we offer?

  • Exceptional career growth and learning opportunity 

  • A unique opportunity to be part of an experienced team of industry experts and entrepreneurs who bring massive change to the mobile advertising market 

  • A high degree of responsibility and independence

  • Direct, day-to-day work experience with the management

  • A fun, driven, and a multinational team located across Germany, India, Argentina, Ukraine, the UK and soon more countries

  • A flexible work-from-home arrangement

  • A 500 USD budget to improve your home office settings

  • A 1000 USD annual learning and development budget to help you grow

  • Office exchange program allowing you to work from another Kayzen office for 1 month

  • You enjoy a competitive remuneration package and much more

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