What Principal Data Science Jobs Ask For
Across 245 open Principal Data Science postings that list skills, the ones mentioned most often are data-science, python, machine-learning.
Updated October 28, 2026
246 open Principal Data Science postings. The percentages below are measured over the 245 of them that list skills at all.
| Skill | Mentioned in |
|---|---|
| data-science | 89% |
| python | 84% |
| machine-learning | 84% |
| ai | 79% |
| statistics | 68% |
| analytics | 64% |
| cloud | 61% |
| sql | 59% |
| llm | 41% |
| aws | 36% |
| data-engineering | 29% |
| generative-ai | 28% |
| agentic-ai | 27% |
| deep-learning | 26% |
| mlops | 24% |
| spark | 24% |
| nlp | 23% |
| data-quality | 22% |
| azure | 20% |
| data-pipelines | 20% |
| pytorch | 20% |
| time-series | 20% |
| automation | 19% |
| data-analytics | 18% |
| causal-inference | 17% |
| ci-cd | 16% |
| databricks | 16% |
| tensorflow | 15% |
| predictive-modeling | 15% |
| big-data | 14% |
| fine-tuning | 13% |
| gcp | 13% |
| model-evaluation | 13% |
| scikit-learn | 13% |
| snowflake | 13% |
| api | 13% |
| anomaly-detection | 12% |
| feature-engineering | 12% |
| tableau | 11% |
| data-visualization | 10% |
"Mentioned in" counts postings that name the skill anywhere — including as a nice-to-have — so treat it as the ceiling, not the bar.
Browse 246 open Principal Data Science jobs →
Across all Data Science levels
Most Data Science postings never state a level. This wider list covers them too.
- python 5,237
- data-science 5,235
- machine-learning 4,823
- ai 4,153
- sql 3,794
- analytics 3,532
- statistics 2,926
- cloud 2,565
- llm 1,878
- aws 1,617
- generative-ai 1,362
- agentic-ai 1,219