Ai Agent & Tool-Use Engineer

Job Title

AI Agent & Tool-Use Engineer (RE2)

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Location

The Barcelona Supercomputing Center – BSC-CNS, Barcelona, Spain.

Starting date

ASAP

Closing date

Thursday, 16 July, 2026

Responsibilities

• Implement and test agentic workflows including multi‑step reasoning and tool‑use capabilities under the supervision of the senior architect.
• Develop and refine Function Calling interfaces and connectors using the Model Context Protocol (MCP) to enhance model interactivity.
• Execute post‑training experiments using TRL, FastChat, and NeMo‑RL to improve the agentic performance of small and large models.
• Build and maintain evaluation pipelines specifically designed to measure the reliability and safety of model‑tool interactions.
• Collaborate with the data team to curate high‑qual...

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