Principal Data Scientist jobs in 2026 — required skills, demand trends, and top hiring cities
As of 2026-05-17, Skillenai has indexed 68 job postings with the title “Principal Data Scientist” over the past 90 days. The skill mentioned most often is machine learning, with demand down 38% vs the prior 4 weeks.
Last updated · 90d ending 2026-05-17
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Frequently asked questions about Principal Data Scientist jobs
+How many Principal Data Scientist jobs are being posted in 2026?
Skillenai has indexed 68 job postings with the title “Principal Data Scientist” over the 90 days ending 2026-05-17, with demand down 38% vs the prior 4 weeks.
+What skills do Principal Data Scientist jobs require?
Across Principal Data Scientist postings indexed by Skillenai over the 90 days ending 2026-05-17, the skills mentioned most often are machine learning, Python, SQL, causal inference, data science.
+Which cities are hiring the most Principal Data Scientist?
As of 2026-05-17, Principal Data Scientist postings indexed by Skillenai are concentrated in New York City, London, Los Angeles, San Francisco, Bengaluru.
+Is Principal Data Scientist a good career path right now?
Skillenai indexes 68 Principal Data Scientist postings over the 90 days ending 2026-05-17, with demand down 38% vs the prior 4 weeks. The skill mentioned most often in Principal Data Scientist postings is machine learning, so building it gives the strongest signal that an applicant matches the role.
+How can I track new Principal Data Scientist job postings as they’re indexed?
Skillenai sends a daily email digest of new Principal Data Scientist postings indexed across the open web. Subscribe from your account dashboard after creating a free Skillenai account.
Weekly Principal Data Scientist postings — last 90 days
Skills most often required for Principal Data Scientist
| Name | Postings | Share |
|---|---|---|
| machine learning | 50 | 17.4% |
| Python | 43 | 15.0% |
| SQL | 34 | 11.8% |
| causal inference | 23 | 8.0% |
| data science | 22 | 7.7% |
| predictive modeling | 15 | 5.2% |
| statistics | 14 | 4.9% |
| A/B testing | 13 | 4.5% |
| experimentation | 12 | 4.2% |
| AWS | 11 | 3.8% |
| Experimental design | 11 | 3.8% |
| deep learning | 11 | 3.8% |
| Spark | 10 | 3.5% |
| Statistical modeling | 10 | 3.5% |
| scikit-learn | 8 | 2.8% |
Top metros hiring Principal Data Scientist
| Name | Postings | Share |
|---|---|---|
| New York City | 12 | 37.5% |
| London | 6 | 18.8% |
| Los Angeles | 3 | 9.4% |
| San Francisco | 3 | 9.4% |
| Bengaluru | 2 | 6.3% |
| San Jose | 2 | 6.3% |
| Toronto | 2 | 6.3% |
| Austin | 1 | 3.1% |
| Boston | 1 | 3.1% |
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How this was computed
Counts derive from the Skillenai jobs index over the 90 days ending 2026-05-17, matching postings whose canonical role is “Principal Data Scientist”. Pages refresh weekly (or daily for the top-50 most-posted roles).
- role
- Principal Data Scientist
- source
- Skillenai jobs index, deduplicated daily
- data_as_of
- 2026-05-17
- window_days
- 90
The demand, skills, and geo numbers on this page come from the same Skillenai labor market index that powers our API. Use it for compensation benchmarking, hiring-competition analysis, and skill-adoption tracking.
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