Data Scientist
Exploring data and building ML models to solve business problems
Level:
Machine Learning & AI
35 skills · 175 requirements| Skill | Junior | Middle | Senior | Lead | Principal |
|---|---|---|---|---|---|
| Classical Machine Learning | |||||
| Classical ML (scikit-learn) | Awareness | Working | Working | Advanced | Advanced |
| Gradient Boosting | Awareness | Working | Advanced | Advanced | Expert |
| Bayesian Methods | Awareness | Working | Advanced | Advanced | Expert |
| Dimensionality Reduction | Awareness | Working | Advanced | Advanced | Expert |
| Ensemble Methods | Awareness | Working | Advanced | Advanced | Expert |
| Experiment Design | Awareness | Working | Advanced | Advanced | Expert |
| Feature Engineering | Awareness | Working | Advanced | Advanced | Expert |
| Hypothesis Testing in ML | Awareness | Working | Advanced | Advanced | Expert |
| Jupyter Notebooks | Awareness | Working | Advanced | Advanced | Expert |
| Pandas / NumPy | Awareness | Working | Advanced | Advanced | Expert |
| Python Programming | Awareness | Working | Advanced | Advanced | Expert |
| scikit-learn | Awareness | Working | Advanced | Advanced | Expert |
| Statistical Analysis | Awareness | Working | Advanced | Advanced | Expert |
| Time Series Analysis | Awareness | Working | Advanced | Advanced | Expert |
| Deep Learning | |||||
| PyTorch | Awareness | Working | Working | Advanced | Advanced |
| Deep Learning | Awareness | Working | Advanced | Advanced | Expert |
| Neural Network Architectures | Awareness | Working | Advanced | Advanced | Expert |
| Reinforcement Learning | Awareness | Working | Working | Advanced | Advanced |
| TensorFlow / PyTorch | Awareness | Working | Advanced | Advanced | Expert |
| Transfer Learning | Awareness | Working | Advanced | Advanced | Expert |
| Natural Language Processing | |||||
| Transformers & NLP | Awareness | Working | Advanced | Advanced | Expert |
| Natural Language Processing | Awareness | Working | Advanced | Advanced | Expert |
| Recommender Systems | |||||
| Recommender Systems Fundamentals | Awareness | Working | Advanced | Advanced | Expert |
| MLOps | |||||
| MLflow | Awareness | Working | Working | Advanced | Advanced |
| Feature Stores | Awareness | Working | Advanced | Advanced | Expert |
| Model Serving | Awareness | Working | Working | Advanced | Advanced |
| Experiment Tracking | Awareness | Working | Working | Advanced | Advanced |
| ML Pipelines | Awareness | Working | Advanced | Advanced | Expert |
| ML Deployment | Awareness | Working | Advanced | Advanced | Expert |
| ML Experiment Tracking | Awareness | Working | Advanced | Advanced | Expert |
| ML Model Evaluation | Awareness | Working | Advanced | Advanced | Expert |
| Model Monitoring | Awareness | Working | Working | Advanced | Advanced |
| LLM & Generative AI | |||||
| LLM Applications | Awareness | Working | Working | Advanced | Advanced |
| LLM Fine-tuning | Awareness | Working | Working | Advanced | Advanced |
| LLM Prompt Engineering | Awareness | Working | Working | Advanced | Advanced |