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Strong Junior Data Scientist

CompeteraUkraine | Poland | WorldwideOnsite

In Competer


a, we are building a place where optimal pricing decisions can be made easily. We believe that AI technologies will soon drive all challenging decisions and are capable of helping humans be better. We are now seeking a Junior Data Scientist to

play a key role in reshaping the way we deliver our solutions.


What you will do


  • Conduct Exploratory Data Analysis (EDA) to uncover hidden patterns and formulate hypotheses that shape the modeling strategy.
  • Design and analyze A/B tests to measure the impact of your models and ideas.
  • Train and evaluate predictive models, (feature engineering/ hyperparameter tuning), for challenges like demand forecasting and price elasticity estimation.
  • Map business requirements into well-defined machine learning problems under consultancy.
  • Communicate complex model outputs as clear, actionable insights for business stakeholders.

You have:


  • SQL basics.
  • A strong math background (Computer Science-related education is preferred).
  • Scientific python toolkit (NumPy, pandas, scikit-learn, Keras / TensorFlow or PyTorch).
  • Deep understanding of ML basics: overfitting, metrics, cross-validation, hyperparameter tuning, classification of ML tasks and models (classification, regression, clustering etc.).
  • Good communication English skills (Intermediate+).
  • 1+ year of hands-on experience in a data science.

Pleasant extras:


  • Proven graduation from ML/AI MOOCs (Coursera, etc.).

  • Participation in ML competitions (i.e. Kaggle).

Soft skills:


  • Analytical mindset and critical thinking to solve complex problems.
  • Agile approach, with the ability to experiment and test hypotheses in a dynamic business environment.
  • Business-oriented thinking, capable of translating complex models into clear business insights.
  • Curiosity and a drive for continuous learning in the data domain.
  • Strong team player, able to collaborate across cross-functional teams.

You’re gonna love it, and here’s why:


  • Rich innovative software stack, freedom to choose the best suitable technologies.
  • Remote-first ideology: freedom to operate from the home office or any suitable coworking.
  • Flexible working hours (we start from 8 to 11 am) and no time tracking systems on.
  • Regular performance and compensation reviews.
  • Recurrent 1-1s and measurable OKRs.
  • In-depth onboarding with a clear success track.
  • Competera covers 70% of your training/course fee.
  • 20 vacation days, 15 days off, and up to one week of paid Christmas holidays.
  • 20 business days of sick leave.
  • Partial medical insurance coverage.
  • We reimburse the cost of coworking.

Drive innovations with us. Be a Competerian.


Life at Competera

Thrive Here & What We Value - Rich Innovative Software Stack- Freedom to Choose Best Suitable Technologies- RemoteFirst Ideology: Freedom to Operate from Home Office or Any Suitable Coworking- Flexible Working Hours (8 AM to 11 AM) and No Time Tracking Systems- Regular Performance and Compensation Reviews- Recurrent 11s and Measurable OKRs- InDepth Onboarding with a Clear Success Track- Drive innovations with us. Be a Competerian.- Partial Medical Insurance Coverage- We reimburse the cost of coworking
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