AI systems that invoke external APIs, search engines, or code interpreters during inference, extending capabilities beyond raw LLM generation. The foundational capability behind most agentic products.
Primary AI lifecycle stage: agents.
As of today, 1,275 active AI roles across 189 companies in our index reference Tool use. Hiring concentrates at the agents (94%) and post-training (2%) stages. Most common sectors: Enterprise, Big Tech, Data AI. New postings fell 20% in the last 30 days versus the prior 30 (695 → 554).
AI systems that invoke external APIs, search engines, or code interpreters during inference, extending capabilities beyond raw LLM generation. The foundational capability behind most agentic products. Primary AI lifecycle stage: agents.
1,275 active AI roles across 189 companies in our index reference Tool use as of today. New postings fell 20% in the last 30 days versus the prior 30 (695 → 554).
The companies with the most active Tool use listings are: JPMorgan Chase (73 roles), Salesforce (59 roles), Amazon (57 roles), Google (52 roles), Adobe (46 roles).
Tool use primarily belongs to the agents stage of the AI lifecycle. In current hiring, Tool use roles concentrate at: agents (94%), post-training (2%).
The sectors with the most active Tool use hiring are: Enterprise, Big Tech, Data AI.
11 AI roles tagged tool_use.
| Company | Title | Sector | AI score | Other tags |
|---|---|---|---|---|
| Anduril | Senior Manipulation Engineer (Imitation Learning), Discovery | Defense | 9 | Embodied AI |
| Anduril | AI Sorcerer | Defense | 9 | Agent orchestration · Evals · Multimodal |
| Anduril | Generative AI Integration Engineer | Defense | 8 | Agent orchestration · Evals · LLM observability · Multimodal |
| Anduril | Software Engineer, Command Control Mission Autonomy | Defense | 7 | Agent orchestration · Agent research · LLM observability |
| Anduril | Full-Stack Software Engineer, Mission Autonomy | Defense | 7 | Agent orchestration · Agent research |
| Anduril | Technical Program Manager, AI Platform | Defense | 7 | Agent orchestration · LLM observability |
| Anduril | Senior Software Engineer, Agentic Platform | Defense | 7 | Agent orchestration · RAG · Vector DB · LLM observability |
| Anduril | Systems Software Engineer | Defense | 7 | Agent orchestration |
| Saronic | Forward Deployed Software Engineer | Defense | 7 | Agent orchestration · Inference infra · Model serving |
| Anduril | Senior Product Manager, Internal Tools | Defense | 5 | Agent orchestration |
| Anduril | Senior Product Manager, Internal Tools | Defense | 5 | Agent orchestration |