Principal Applied Scientist jobs in 2026 — required skills, demand trends, and top hiring cities
As of 2026-07-04, Skillenai has indexed 20 job postings with the title “Principal Applied Scientist” over the past 90 days. The skill mentioned most often is machine learning, with demand up 133% vs the prior 4 weeks.
Last updated · 90d ending 2026-07-04
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Frequently asked questions about Principal Applied Scientist jobs
+How many Principal Applied Scientist jobs are being posted in 2026?
Skillenai has indexed 20 job postings with the title “Principal Applied Scientist” over the 90 days ending 2026-07-04, with demand up 133% vs the prior 4 weeks.
+What skills do Principal Applied Scientist jobs require?
Across Principal Applied Scientist postings indexed by Skillenai over the 90 days ending 2026-07-04, the skills mentioned most often are machine learning, deep learning, Python, Generative AI, C++.
+Which cities are hiring the most Principal Applied Scientist?
As of 2026-07-04, Principal Applied Scientist postings indexed by Skillenai are concentrated in Seattle, Berlin, New York City, Bellevue, Hyderabad.
+Is Principal Applied Scientist a good career path right now?
Skillenai indexes 20 Principal Applied Scientist postings over the 90 days ending 2026-07-04, with demand up 133% vs the prior 4 weeks. The skill mentioned most often in Principal Applied Scientist postings is machine learning, so building it gives the strongest signal that an applicant matches the role.
+How can I track new Principal Applied Scientist job postings as they’re indexed?
Skillenai sends a daily email digest of new Principal Applied Scientist postings indexed across the open web. Subscribe from your account dashboard after creating a free Skillenai account.
Weekly Principal Applied Scientist postings — last 90 days
Skills most often required for Principal Applied Scientist
| Name | Postings | Share |
|---|---|---|
| machine learning | 16 | 80.0% |
| deep learning | 10 | 50.0% |
| Python | 9 | 45.0% |
| Generative AI | 8 | 40.0% |
| C++ | 8 | 40.0% |
| Applied Machine Learning | 5 | 25.0% |
| fine-tuning | 5 | 25.0% |
| Model performance analysis | 4 | 20.0% |
| Natural language processing | 4 | 20.0% |
| Human-in-the-loop | 4 | 20.0% |
| open-weight models | 4 | 20.0% |
| agent-based systems | 4 | 20.0% |
| human-in-the-loop evaluation | 4 | 20.0% |
| context engineering | 4 | 20.0% |
| experimentation | 4 | 20.0% |
Top metros hiring Principal Applied Scientist
| Name | Postings | Share |
|---|---|---|
| Seattle | 5 | 25.0% |
| Berlin | 3 | 15.0% |
| New York City | 3 | 15.0% |
| Bellevue | 1 | 5.0% |
| Hyderabad | 1 | 5.0% |
| Munich | 1 | 5.0% |
| Reading | 1 | 5.0% |
| Santa Clara | 1 | 5.0% |
| Toronto | 1 | 5.0% |
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How this was computed
Counts derive from the Skillenai jobs index over the 90 days ending 2026-07-04, matching postings whose canonical role is “Principal Applied Scientist”. Pages refresh weekly (or daily for the top-50 most-posted roles).
- role
- Principal Applied Scientist
- source
- Skillenai jobs index, deduplicated daily
- data_as_of
- 2026-07-04
- 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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