Domain
Machine Learning & AI
Skill Profile
This skill defines expectations across roles and levels.
Roles
1
where this skill appears
Levels
5
structured growth path
Mandatory requirements
0
the other 5 optional
Machine Learning & AI
Classical Machine Learning
2/22/2026
Choose your current level and compare expectations. The items below show what to cover to advance to the next level.
The table shows how skill depth grows from Junior to Principal. Click a row to see details.
| Role | Required | Description |
|---|---|---|
| Data Scientist | Understands the fundamentals of Time Series Analysis. Applies basic practices in daily work. Follows recommendations from the team and documentation. |
| Role | Required | Description |
|---|---|---|
| Data Scientist | Applies advanced time series methods: Prophet, SARIMA, VAR, state space models. Conducts feature engineering for temporal data: lag features, rolling statistics, Fourier features. Uses cross-validation for time series (TimeSeriesSplit). |
| Role | Required | Description |
|---|---|---|
| Data Scientist | Designs production time series forecasting systems. Applies deep learning for time series: N-BEATS, Temporal Fusion Transformer, DeepAR. Implements probabilistic forecasting with quantile regression. Works with multivariate and hierarchical time series. |
| Role | Required | Description |
|---|---|---|
| Data Scientist | Defines forecasting strategy for the data science team. Establishes reusable forecasting framework and evaluation standards. Coordinates forecasting platform development for business users and automated systems. |
| Role | Required | Description |
|---|---|---|
| Data Scientist | Shapes forecasting and temporal analytics strategy at organizational level. Defines investments in forecasting infrastructure, evaluates foundation models for time series. Publishes methodologies and shapes thought leadership. |