Skill · AI Hiring Index · as of 2026-10-05
C++ in AI job postings
12% of technical postings at the AI companies we track mention C++ (596 postings). Inference / Perf postings ask for it most: 38%.
Technical postings that mention it
12%
596 postings
Which roles ask for it
Share of each technical role family's open postings that mention C++.
| Role family | Share, as a bar | Share |
|---|---|---|
| Inference / Perf | 38% | |
| Software Eng | 19% | |
| AI / ML Engineer | 12% | |
| Infra / Hardware | 11% | |
| Security | 11% | |
| Research Engineer | 10% | |
| Research Scientist | 7% | |
| Safety / Policy | 4% | |
| FDE / Applied | 3% | |
| Evals / Data | 1% |
Companies asking for it most
| Company | Postings | Of its technical postings |
|---|---|---|
| Applied Intuition | 120 | 51% |
| OpenAI | 53 | 11% |
| Field AI | 40 | 48% |
| Cerebras | 35 | 35% |
| Databricks | 34 | 6% |
| Crusoe | 26 | 16% |
| Nebius | 24 | 11% |
| xAI | 21 | 10% |
| Apptronik | 18 | 32% |
| Anthropic | 15 | 5% |
How to learn it
No pick yet — A senior software engineer usually brings this already; each role page shows how often its postings ask for it.