Principal Machine Learning Engineer jobs in 2026 — required skills, demand trends, and top hiring cities
As of 2026-09-15, Skillenai has indexed 2 job postings with the title “Principal Machine Learning Engineer” over the past 90 days. The skill mentioned most often is Python.
Last updated · 90d ending 2026-09-15
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Frequently asked questions about Principal Machine Learning Engineer jobs
+How many Principal Machine Learning Engineer jobs are being posted in 2026?
Skillenai has indexed 2 job postings with the title “Principal Machine Learning Engineer” over the 90 days ending 2026-09-15.
+What skills do Principal Machine Learning Engineer jobs require?
Across Principal Machine Learning Engineer postings indexed by Skillenai over the 90 days ending 2026-09-15, the skills mentioned most often are Python, platform architecture, AWS Lambda, context management, AWS SageMaker.
+Which cities are hiring the most Principal Machine Learning Engineer?
As of 2026-09-15, Principal Machine Learning Engineer postings indexed by Skillenai are concentrated in Bucharest.
+Is Principal Machine Learning Engineer a good career path right now?
Skillenai indexes 2 Principal Machine Learning Engineer postings over the 90 days ending 2026-09-15. The skill mentioned most often in Principal Machine Learning Engineer postings is Python, so building it gives the strongest signal that an applicant matches the role.
+How can I track new Principal Machine Learning Engineer job postings as they’re indexed?
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Weekly Principal Machine Learning Engineer postings — last 90 days
Skills most often required for Principal Machine Learning Engineer
| Name | Postings | Share |
|---|---|---|
| Python | 1 | 50.0% |
| platform architecture | 1 | 50.0% |
| AWS Lambda | 1 | 50.0% |
| context management | 1 | 50.0% |
| AWS SageMaker | 1 | 50.0% |
| LLM infrastructure | 1 | 50.0% |
| lifecycle management | 1 | 50.0% |
| LLMs | 1 | 50.0% |
| LWC | 1 | 50.0% |
| Go | 1 | 50.0% |
| agentic systems | 1 | 50.0% |
| tool use | 1 | 50.0% |
| machine learning | 1 | 50.0% |
| RAG | 1 | 50.0% |
| state management | 1 | 50.0% |
Top metros hiring Principal Machine Learning Engineer
| Name | Postings | Share |
|---|---|---|
| Bucharest | 1 | 50.0% |
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How this was computed
Counts derive from the Skillenai jobs index over the 90 days ending 2026-09-15, matching postings whose canonical role is “Principal Machine Learning Engineer”. Pages refresh weekly (or daily for the top-50 most-posted roles).
- role
- Principal Machine Learning Engineer
- source
- Skillenai jobs index, deduplicated daily
- data_as_of
- 2026-09-15
- 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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