How many AI roles reference Tool use right now?

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).

Which companies are hiring for Tool use roles?

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).

What AI lifecycle stage does Tool use belong to?

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%).

What sectors invest most in Tool use?

The sectors with the most active Tool use hiring are: Enterprise, Big Tech, Data AI.

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Tool use

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).

Top hiring:

Function

All Engineering · 1894 Product · 204 Research · 61

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All Active only

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141 AI roles tagged tool_use.

Company	Title	Sector	AI score	Other tags
JPMorgan Chase	Applied Machine Learning Scientist - Vice President	Banking	9	Agent orchestration · Evals · Guardrails · LLM observability · RAG · Fine-tuning · Model serving · Recommender systems · Multimodal · Agent research · RL post-training
Capital One	Sr. Distinguished AI Engineer (Agentic AI Platform)	Banking	9	Agent orchestration · RAG · Guardrails · LLM observability · Model serving · Vector DB
JPMorgan Chase	Senior Lead Software Engineer- Java/Python/ AI Solutions	Banking	9	Agent orchestration · LLM observability · RAG · Vector DB · Fine-tuning · Model serving · Agent research
JPMorgan Chase	AI Agents Applied Engineer - Senior Associate	Banking	9	Agent orchestration · Fine-tuning · Model serving · Inference infra · Guardrails · LLM observability · Recommender systems · Search & ranking · RL post-training
JPMorgan Chase	AI Agents Applied Research/Engineering Lead - Vice President	Banking	9	Agent orchestration · Guardrails · Fine-tuning · Model serving · Inference infra · Recommender systems · Search & ranking · RL post-training
JPMorgan Chase	Vice President — Principal Applied AI Data Scientist	Banking	9	Agent orchestration · RAG · Vector DB · LLM observability · Multi-agent
JPMorgan Chase

Frequently asked questions

What is Tool use in AI?
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.
How many AI roles reference Tool use right now?
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).
Which companies are hiring for Tool use roles?
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).
What AI lifecycle stage does Tool use belong to?
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%).
What sectors invest most in Tool use?
The sectors with the most active Tool use hiring are: Enterprise, Big Tech, Data AI.