Data Scientist

nordeus

Belgrade · 3+ years experience · Posted Oct 6, 2026

At a glance

Experience
3+ years experience
Location
Belgrade

About the role

  • We are looking for a driven Data Scientist to join our Analytics team and play a pivotal role in shaping business decisions.
  • You will dive into complex data to perform A/B tests, build productional ML models, and design elegant and scalable game systems.

Responsibilities

  • Perform A/B tests and causal inference analyses in PvP games, testing cutting-edge methodologies such as Econometrics, Bayesian AB testing, DoubleML, and Structural Causal Modeling.
  • Utilize ML by building new or changing existing productional ML models and pipelines to provide a personalized user experience and support decision-making.
  • Build elegant and scalable game systems based on behavioural mathematics, game theory, and simulations.
  • Define telemetry tracking and design DB schemas, work on ETL, perform ad hoc analyses and make reports, monitor game/feature performance, and answer ad hoc data requests.
  • Work on arbitrary business problems using the DS toolbox including forecasting KPIs and behaviours, developing standalone tools, performing Clustering, and using Association rules and KL-Divergence.

Requirements

  • Have 3+ years of experience in Data Science or a related field.
  • Have a Bachelor's degree in Computer Science, Math, Statistics, Econometrics, or another quantitative fields.
  • Write production-quality Python, Julia, R, and SQL.
  • Have a strong grounding in statistics and machine learning.
  • Communicate clearly in English, both in writing and when explaining results to non-technical people.
  • Have passion for Data Science.

Preferred qualifications

  • Include links to any Data Science projects.

Benefits

  • Nordeus provided breakfast, lunch, snacks, and beverages
  • Fully-equipped gym and organized sports activities
  • Ergonomic workstation and top-notch tech equipment
  • Kids’ playroom, music corner, board and video games
  • Premium private medical insurance for you and your family
  • Flexible working hours
  • Take-what-you-need vacation policy
  • Offsites abroad for the whole company
  • Fully-paid maternity and paternity leave
  • Employee stock purchase plan and access to L&D platforms

Skills

  • Python
  • Julia
  • R
  • SQL
  • Econometrics
  • Bayesian AB Testing
  • DoubleML
  • Structural Causal Modeling
  • Machine Learning
  • ETL
  • Clustering
  • Association Rules
Show all 13 skills
  • KL-Divergence

nordeus

Data Scientist

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