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.
30 AI roles tagged tool_use.
| Company | Title | Sector | AI score | Other tags |
|---|---|---|---|---|
| Eli Lilly | Advisor - Agent Research | Pharma | 9 | Agent orchestration · Model serving · Inference infra · RAG · Fine-tuning |
| Merck | Data Strategy Innovation Analyst | Pharma | 8 | Agent orchestration · LLM observability · Guardrails |
| Merck | Data Governance Innovation Analyst | Pharma | 8 | Agent orchestration · LLM observability · Guardrails |
| Merck | Associate Director, Field AI Product Lead | Pharma | 8 | Agent orchestration · Guardrails |
| Johnson & Johnson | Sr. Manager - AI Solutions Lead | Pharma | 8 | Agent orchestration · RAG · LLM observability · Evals · Guardrails · Model serving |
| Eli Lilly | Director, Discovery Bioinformatics Oncology | Pharma | 8 | Agent orchestration · RAG · Fine-tuning · Multimodal |
| Pfizer | PharmSci Agentic and Generative AI Architect | Pharma | 8 | Agent orchestration · RAG · Evals · Model serving |
| Eli Lilly | Agentic AI Sr. Engineer | Pharma | 8 | Agent orchestration · RAG · LLM observability |
| Merck | Senior Scientist, Agentic AI and Machine Learning (PDMB) | Pharma | 8 | Agent orchestration · LLM observability · Fine-tuning · RAG · Multimodal · Model serving |
| Merck | Senior Specialist, Data Science | Pharma | 8 | Agent orchestration · Fine-tuning · Multimodal · LLM observability |
| Iambic | Machine Learning Scientist — Agentic data pipelines | Pharma | 8 | Agent orchestration · LLM observability |
| Eli Lilly | Associate Director - AI Engineering | Pharma | 8 | Agent orchestration · RAG · LLM observability · Model serving · Inference infra · Guardrails |
| Johnson & Johnson | Associate Director, AI Next Frontier | Pharma | 8 | Agent orchestration · RAG · LLM observability |
| Eli Lilly | Sr. Principal or Engineering Advisor - Agentic Lab Automation Integration | Pharma | 8 | Agent orchestration · Model serving |
| Merck | Sr. Manager, MCICC | Pharma | 8 | Fine-tuning · RL post-training · Agent research · Agent orchestration |
| Eli Lilly | Advisor - Software Engineer | Pharma | 8 | Agent orchestration · RAG · Evals · LLM observability |
| Merck | Associate Director, Data Strategy Innovation Lead | Pharma | 7 | Agent orchestration · Guardrails |
| Merck | Data Strategy Innovation Analyst | Pharma | 7 | Agent orchestration · LLM observability · Guardrails |
| Johnson & Johnson | Data and Generative AI Engineer | Pharma | 7 | Agent orchestration · RAG · Fine-tuning |
| Johnson & Johnson | Director, Transformation Office - AI Next Frontiers in Pharma Commercialization | Pharma | 7 | Agent orchestration |
| Johnson & Johnson | Senior Manager, Agentic AI | Pharma | 7 | Agent orchestration · LLM observability · Guardrails |
| Pfizer | AI Application Developer Undergraduate | Pharma | 7 | Agent orchestration · Fine-tuning · Model serving · LLM observability |
| Merck | Senior Manager, GSF GenAI & Agentic AI Tech Lead | Pharma | 7 | Agent orchestration · RAG · LLM observability · Model serving |
| Pfizer | Applied AI Workflow Scientist, Sr. Manager | Pharma | 7 | Agent orchestration · RAG · LLM observability · Guardrails |
| Eli Lilly | Applied Bioinformatics Engineer, Pipelines & AI | Pharma | 7 | Agent orchestration · LLM observability · RAG |
| Eli Lilly | Sr. Staff Software Engineer - AI Chat | Pharma | 7 | Agent orchestration · Model serving · Inference infra · LLM observability |
| Merck | Enterprise Data Access Product Owner | Pharma | 5 | Agent orchestration · Evals · Guardrails · LLM observability · RAG · Vector DB · Fine-tuning · Inference infra · Model serving · Recommender systems · Search & ranking · Vision · Audio & speech · Frontier research · Interpretability · Synthetic data · Agent research · RL post-training · RLHF · Reward modeling · RL robotics · Embodied AI |
| Eli Lilly | Senior Director, Software Engineering - Silicon Valley Hub | Pharma | 5 | Agent orchestration · Evals · RAG · Vector DB · Model serving |
| Pfizer | Senior Manager, Full Stack Engineer | Pharma | 5 | Agent orchestration · RAG · Vector DB · Model serving |
| Johnson & Johnson | Software Application Engineer/Surgical Robotics - OTTAVA | Pharma | 5 | Agent orchestration · RAG · LLM observability · Model serving |