What Principal Data Science Jobs Ask For
Across 465 open Principal Data Science postings that list skills, the ones mentioned most often are data-science, machine-learning, python.
Updated November 3, 2026
470 open Principal Data Science postings. The percentages below are measured over the 465 of them that list skills at all.
| Skill | Mentioned in |
|---|---|
| data-science | 88% |
| machine-learning | 85% |
| python | 81% |
| ai | 77% |
| analytics | 62% |
| statistics | 61% |
| sql | 56% |
| cloud | 55% |
| llm | 41% |
| aws | 36% |
| generative-ai | 34% |
| mlops | 28% |
| agentic-ai | 26% |
| deep-learning | 26% |
| spark | 25% |
| data-engineering | 24% |
| data-quality | 23% |
| nlp | 22% |
| pytorch | 21% |
| azure | 20% |
| automation | 19% |
| data-analytics | 18% |
| databricks | 18% |
| tensorflow | 17% |
| time-series | 17% |
| big-data | 17% |
| ci-cd | 16% |
| gcp | 16% |
| predictive-modeling | 16% |
| data-pipelines | 16% |
| causal-inference | 15% |
| feature-engineering | 14% |
| scikit-learn | 14% |
| api | 13% |
| model-evaluation | 12% |
| snowflake | 11% |
| fine-tuning | 11% |
| model-deployment | 9% |
| observability | 9% |
| data-governance | 9% |
"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 470 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 13,587
- data-science 13,113
- machine-learning 13,000
- ai 10,459
- sql 9,550
- analytics 8,963
- statistics 7,220
- cloud 6,732
- llm 5,168
- generative-ai 4,253
- aws 4,244
- azure 3,597