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.
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).
19 AI roles tagged tool_use.
| Company | Title | Sector | AI score | Other tags |
|---|---|---|---|---|
| Cognite | Applied AI Engineer | Industrial | 8 | Agent orchestration · RAG · Vector DB · LLM observability |
| Caterpillar | Agentic AI / AI Ops Engineer – Platform Engineering | Industrial | 8 | Agent orchestration · LLM observability · Inference infra · Model serving |
| John Deere | Part-Time Student - Software Engineer - Moline, IL | Industrial | 8 | Agent orchestration · RAG · Vector DB · Multimodal · LLM observability |
| Cognite | Applied AI Engineer (Fullstack), AI Co-Innovation | Industrial | 8 | Agent orchestration · RAG · Vector DB · LLM observability |
| Honeywell | Sr Advanced AI Engr | Industrial | 8 | Agent orchestration · Multimodal · Fine-tuning · Model serving · LLM observability |
| Cognite | Senior AI Platform Engineer, Atlas AI | Industrial | 8 | Agent orchestration · LLM observability · Model serving · Inference infra · Evals |
| Caterpillar | Senior Manager, Internal Enterprise Analytics & AI Experience Gateway | Industrial | 7 | Model serving · Inference infra · Agent orchestration · RAG · LLM observability |
| Caterpillar | Principal Digital Architect (Autonomy) | Industrial | 7 | Vision · Multimodal · Agent orchestration · Inference infra · Model serving |
| Caterpillar | Senior Analytics Manager - AI Model & Prompt Engineering | Industrial | 7 | Agent orchestration · Evals · Guardrails · RAG · Vector DB · Fine-tuning · Model serving · Multimodal · Agent research |
| Honeywell | Software Engr II | Industrial | 7 | Agent orchestration · LLM observability |
| Caterpillar | Agentic AI / AI Ops Engineer – Platform Engineering | Industrial | 7 | Agent orchestration · LLM observability · RAG · Inference infra · Model serving |
| Caterpillar | Lead Software Engineer, Gen AI | Industrial | 7 | Agent orchestration · RAG · Fine-tuning · Model serving · LLM observability |
| Caterpillar | Lead Software Engineer, Gen AI | Industrial | 7 | Agent orchestration · RAG · Fine-tuning · Model serving · LLM observability |
| Honeywell | Sr AI Manager | Industrial | 7 | Agent orchestration · Evals · LLM observability · RAG · Vector DB · Model serving |
| Honeywell | Advanced Cyber Sec Archt/Engr | Industrial | 7 | Agent orchestration · Evals · Guardrails · RAG · LLM observability |
| Caterpillar | Platform Engineer - On Prem Kubernetes Platform | Industrial | 5 | Model serving · Agent orchestration · Guardrails |
| Caterpillar | Automation Engineer | Industrial | 5 | Agent orchestration · Evals · LLM observability |
| Caterpillar | Lean Value Stream Transformation & Automation Lead | Industrial | 5 | Agent orchestration |
| Honeywell | Sr Advanced Software Engr | Industrial | 5 | Agent orchestration · Agent research · LLM observability · RAG · Vector DB |