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← Robots and Pencils

Middle Data Scientist

Robots and Pencils
Location
Lviv, Ukraine
Posted
29 days ago
Department
Engineering
What they actually want (must-haves)
  • 3+ years of professional experience in data science or applied ML
  • Strong classical forecasting/ML background including ARIMA/SARIMAX, Prophet, and gradient boosting (LightGBM/CatBoost)
  • Experience in feature engineering for time series
  • Proficiency in Python with libraries such as pandas, numpy, statsmodels, scikit-learn, and Prophet
  • Ability to work with messy ERP/SQL extracts and define target variables from ambiguous business data
Nice to have
  • Experience with FastAPI and Docker to wrap trained models as callable services
  • Familiarity with MCP (Model Context Protocol) or agent-tool-calling patterns
  • Basic Azure exposure (App Service/Container Apps, or Azure SQL)
  • Knowledge of model versioning and drift/retraining triggers
  • Experience integrating weather/exogenous data into models
What the job really is

As a Middle Data Scientist at Robots & Pencils, you will focus on building and validating demand-prediction models using classical forecasting and machine learning methods on messy business data. Your role involves collaborating closely with AI Engineers to turn ambiguous business questions into validated models, while also documenting decisions and assumptions clearly. You will also have the opportunity to package mature models as services for LLM agents.

Benefits
  • 20 days of paid vacation
  • 15 days of unpaid vacation
  • All official public holidays off
  • 5 paid sick days without a doctor's certificate
  • Medical insurance
  • Military draft deferment support
Things to weigh
  • The role involves working with messy data, which may require strong problem-solving skills
  • No specific mention of salary or compensation details
  • The position requires handling ambiguous business questions, which may lead to shifting priorities
  • The company emphasizes a fast-paced environment, which may not suit everyone
Job score3.2/5
Benefits4/5
Freshness4/5
Career value4/5
Role clarity4/5
Pay transparency0/5

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