Principal Data Scientist jobs in 2026 — required skills, demand trends, and top hiring cities
As of 2026-09-30, Skillenai has indexed 40 job postings with the title “Principal Data Scientist” over the past 90 days. The skill mentioned most often is Python.
Last updated · 90d ending 2026-09-30
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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 40 job postings with the title “Principal Data Scientist” over the 90 days ending 2026-09-30.
+What skills do Principal Data Scientist jobs require?
Across Principal Data Scientist postings indexed by Skillenai over the 90 days ending 2026-09-30, the skills mentioned most often are Python, SQL, machine learning, causal inference, R.
+Which cities are hiring the most Principal Data Scientist?
As of 2026-09-30, Principal Data Scientist postings indexed by Skillenai are concentrated in Irvine, New York City, Bengaluru, Cambridge, Chicago.
+Is Principal Data Scientist a good career path right now?
Skillenai indexes 40 Principal Data Scientist postings over the 90 days ending 2026-09-30. The skill mentioned most often in Principal Data Scientist postings is Python, 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?
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+What roles do people move into and out of Principal Data Scientist?
The career-flow chart shows roles before and after observed employer changes across all locations. Counts are moves, not distinct people or promotion probabilities. Same-role moves to another employer are included. The incoming and outgoing sides are separate groups of observations, not a matched three-stage journey.
Weekly indexed Principal Data Scientist postings — last 90 days
Career paths through Principal Data Scientist
Different-role employer moves. Each side is scaled independently.
Historical career profiles · all locations
5 employer moves kept the same role.
Roles before Principal Data Scientist
Roles after Principal Data Scientist
How to read this chart · view counts
Each side is an independent set of observed employer moves, not the same people followed through three stages. Ribbon widths compare move counts within that side. Internal moves are not included.
Same role means a change of employer while keeping the same role. Counts are moves, not distinct people, promotions, or your chances of making a particular move.
Source: Skillenai talent graph, historical career profiles. Historical descriptions and coverage can change. Only the leading published connections are shown.
| Connection | Moves |
|---|---|
| Before: Data Scientist | 13 |
| Before: Principal Data Scientist (different employer) | 5 |
| Before: Data Analyst | 3 |
| Before: Data Science Manager | 3 |
| Before: Research Scientist | 3 |
| Before: Principal Scientist | 2 |
| Before: Software Engineer | 1 |
| Before: Chief Science Officer | 1 |
| After: Principal Data Scientist (different employer) | 5 |
| After: Data Science Manager | 3 |
| After: Data Scientist | 3 |
| After: Senior Data Scientist | 2 |
| After: Chief Data Officer | 1 |
| After: Lead Data Scientist | 1 |
| After: Data Science Advisor | 1 |
| After: Data Science Consultant | 1 |
Skills most often required for Principal Data Scientist
| Name | Postings | Share |
|---|---|---|
| Python | 28 | 70.0% |
| SQL | 22 | 55.0% |
| machine learning | 18 | 45.0% |
| causal inference | 14 | 35.0% |
| R | 12 | 30.0% |
| deep learning | 10 | 25.0% |
| predictive modeling | 9 | 22.5% |
| Spark | 8 | 20.0% |
| A/B testing | 8 | 20.0% |
| Databricks | 8 | 20.0% |
| PyTorch | 7 | 17.5% |
| LLMs | 6 | 15.0% |
| forecasting | 6 | 15.0% |
| experimentation | 6 | 15.0% |
| Generative AI | 6 | 15.0% |
Top companies posting Principal Data Scientist jobs
Employers ranked by indexed job postings in the last 90 days.
| Company | Postings · 90 days |
|---|---|
| Salesforce | 2 |
| Blink Health | 2 |
| AbbVie | 2 |
| Autodesk | 1 |
| Vidmob | 1 |
| Crateandbarrel | 1 |
| Thoughtworks | 1 |
| Disney | 1 |
| Novartis | 1 |
| Capital One | 1 |
Job postings indexed over the past 90 days, grouped by resolved employer. Counts are postings, not hires. Companies without a published page appear without a link.
Top metros hiring Principal Data Scientist
| Name | Postings | Share |
|---|---|---|
| Irvine | 2 | 5.0% |
| New York City | 2 | 5.0% |
| Bengaluru | 1 | 2.5% |
| Cambridge | 1 | 2.5% |
| Chicago | 1 | 2.5% |
| Dublin | 1 | 2.5% |
| Düsseldorf | 1 | 2.5% |
| Glendale | 1 | 2.5% |
| Lake Park | 1 | 2.5% |
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How this was computed
Counts derive from the Skillenai jobs index over the 90 days ending 2026-09-30, matching postings whose canonical role is “Principal Data Scientist”. Pages refresh weekly (or daily for the top-50 most-posted roles). An adjusted trend is not shown because comparable posting coverage is insufficient.
- role
- Principal Data Scientist
- source
- Skillenai jobs index, deduplicated daily
- data_as_of
- 2026-09-30
- 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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