Xenoss is a software development house solving complex big data, AI and high-load problems. We build high-load multi-user software, AI-powered systems, data mining and big data solutions. We do hard-core programming.
30 червня 2022

Senior Data Scientist | In-game advertising system (вакансія неактивна)

Київ, Харків, Львів, Дніпро, Одеса, Вінниця, Чернігів, Житомир, Рівне, Ужгород, Чернівці, за кордоном, віддалено


Product is an advertising system capable of running the smart, well-targeted cross-promotion advertising campaigns of mobile games. It allows configuring targeted campaigns to run on iOS, Android, and Unity environments.

What you will do

  • ML model building using cutting-edge algorithms (Deep Learning, XGBoost, GBM, etc.) from a proof of concept to production models, monitoring the performance of live models bidding in real-time, and producing insight for customers (understand what drives installs/retention behaviors).
  • Continuous research and improvements on production models, including ML feature engineering and model training tuning to reflect changes in users’ behaviors and market dynamics.
  • Collaborating closely with the commercial team to identify, develop, and optimize business opportunities.


  • Degree in applied math, computer science, or equivalent.
  • 5+ years experience with a SQL-like query language, Python, and Spark
  • A good communicator who can explain and understand complex problems while dealing with both non-technical and technical teams.
  • Ability to query large amounts of data, build models, and derive insights for customers.
  • Ability to structure and solve difficult problems with minimal supervision.
  • A focus on details and willingness to learn.
  • Good spoken and written English

Would be a big plus

  • Experience with AWS
  • Ad-tech experience is a big plus!

What you get

  • Teams of people who love programming
  • Complex technical challenges with big data/AI/high load
  • Freedom to make your own engineering decisions and broad space for creativity
  • Modern technology stack to work with
  • Work remotely or from the office options on a flexible schedule
  • Long-lasting projects
  • Financial compensation for professional events and education
  • Opportunity to choose the equipment you like
  • Above-market compensation