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.
21 AI roles tagged tool_use.
| Company | Title | Sector | AI score | Other tags |
|---|---|---|---|---|
| Expedia | Senior Machine Learning Scientist - Agentic Experience | Hospitality | 9 | Agent orchestration · Evals · RAG · LLM observability |
| Expedia | Machine Learning Scientist III - Agentic Experience | Hospitality | 9 | Agent orchestration · Evals · RAG · LLM observability |
| Booking | Senior Machine Learning Scientist | Hospitality | 9 | Agent orchestration · Agent research · RAG · LLM observability · Evals |
| Expedia | Principal Software Development Engineer - Business to Agent | Hospitality | 8 | Agent orchestration · RAG · LLM observability · Agent research · Model serving |
| Expedia | Senior Software Development Engineer - Agentic Search | Hospitality | 8 | Agent orchestration · LLM observability · RAG · Agent research · Model serving |
| Expedia | Principal Software Development Engineer - Gen AI | Hospitality | 8 | Agent orchestration · Evals · Guardrails · LLM observability · RAG · Vector DB · Fine-tuning · Model serving |
| Expedia | Senior Software Development Engineer (GenAI, Agentic AI) | Hospitality | 8 | Agent orchestration · RAG · Vector DB · Fine-tuning · Inference infra · Model serving · LLM observability · Guardrails |
| Expedia | Senior Machine Learning Scientist | Hospitality | 8 | Agent orchestration · Evals · RAG · Fine-tuning · Model serving · Recommender systems |
| Expedia | Software Development Engineer II | Hospitality | 7 | Agent orchestration · LLM observability · RAG · Model serving |
| Expedia | Senior Technical Program Manager –AI Servicing | Hospitality | 7 | Agent orchestration · Model serving |
| Booking | Senior AI Engineer | Hospitality | 7 | Agent orchestration · LLM observability |
| Expedia | Director of Product, AI Builder Experiences | Hospitality | 7 | Agent orchestration · RAG · LLM observability · Evals |
| Expedia | Principal Software Development Engineer - Loyalty | Hospitality | 7 | Agent orchestration · LLM observability · RAG · Vector DB · Model serving · Recommender systems |
| Expedia | Senior Product Manager, Lodging Connectivity | Hospitality | 7 | Agent orchestration · Evals · LLM observability · Fine-tuning · Model serving |
| Expedia | Principal Product Manager, Personal AI Agents | Hospitality | 7 | Agent orchestration · Agent research · Multimodal |
| Expedia | Sr. Director - AI, Innovation and Digital Employee Experience | Hospitality | 7 | Agent orchestration |
| Expedia | Software Development Engineer II | Hospitality | 5 | Agent orchestration · LLM observability · RAG |
| Expedia | Developer Relations Engineer III - Developer Experience | Hospitality | 5 | Agent orchestration · LLM observability · Fine-tuning · Model serving · Multimodal · Agent research |
| Expedia | Business Operations & Automation Manager | Hospitality | 5 | Agent orchestration |
| Expedia | Globalization Platform Lead | Hospitality | 5 | Agent orchestration · Fine-tuning · Model serving · RAG |
| Expedia | Payment Performance Manager | Hospitality | 5 | Agent orchestration |