Function calling jobs in 2026 — demand, top roles hiring, and related skills
As of 2026-09-20, Function calling appears in 387 job postings indexed by Skillenai over the past 90 days — most often required for AI Engineer roles, with demand up 23% vs the prior 4 weeks.
Last updated · 90d ending 2026-09-20
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Frequently asked questions about Function calling
+Is Function calling in demand in 2026?
Yes. Function calling appears in 387 job postings indexed by Skillenai over the 90 days ending 2026-09-20, with demand up 23% vs the prior 4 weeks. It is most often required for AI Engineer roles (15% of AI Engineer postings list it).
+What jobs require Function calling?
According to the Skillenai jobs index over the 90 days ending 2026-09-20, the job titles most likely to require Function calling are AI Engineer (15% of postings list Function calling), Software Engineer (10% of postings list Function calling), Forward Deployed Engineer (6% of postings list Function calling).
+What skills are commonly paired with Function calling?
Across job postings indexed by Skillenai (90 days ending 2026-09-20), Function calling most often appears alongside Python, prompt engineering, RAG, LangChain, tool use.
+Where is Function calling most in demand?
As of 2026-09-20, the metro areas posting the most jobs requiring Function calling are San Francisco, Singapore, New York City, San Mateo, Bengaluru, according to the Skillenai jobs index.
+How can I keep up with new Function calling content and jobs?
Skillenai indexes news, blog posts, and research papers mentioning Function calling alongside the jobs index. You can subscribe to a daily email digest of new Function calling content from your Skillenai account.
Weekly job postings requiring Function calling — last 90 days
Salary distribution
Box = 25th–75th percentile · tick = median · whisker = 10th–90th · USD, annualized
Job titles most likely to require Function calling
| Role | Postings mentioning | % requiring |
|---|---|---|
| AI Engineer | 59 | 15.2% |
| Software Engineer | 40 | 10.3% |
| Forward Deployed Engineer | 22 | 5.7% |
| Applied Value Engineer | 13 | 3.4% |
| AI Software Engineer | 11 | 2.8% |
| AI Field Engineer | 9 | 2.3% |
| Staff Engineer | 8 | 2.1% |
| Forward Deployed AI Engineer | 7 | 1.8% |
| Applied Machine Learning Engineer | 6 | 1.6% |
| Machine Learning Engineer | 6 | 1.6% |
Top metros hiring for Function calling
| Name | Postings | Share |
|---|---|---|
| San Francisco | 25 | 6.5% |
| Singapore | 20 | 5.2% |
| New York City | 16 | 4.1% |
| San Mateo | 14 | 3.6% |
| Bengaluru | 12 | 3.1% |
| London | 11 | 2.8% |
| Austin | 6 | 1.6% |
| Hyderabad | 6 | 1.6% |
| Bellevue | 4 | 1.0% |
Skills commonly paired with Function calling
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How this was computed
Counts derive from the Skillenai jobs index over the 90 days ending 2026-09-20. Skills are resolved against the Skillenai canonical taxonomy, so the same entity is counted whether a posting writes 'Python', 'Python 3', or 'python'. Pages refresh weekly (or daily for the top-50 most-requested skills).
- source
- Skillenai jobs index, deduplicated daily
- entity_id
- f08d6f00f161dc8b
- data_as_of
- 2026-09-20
- 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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