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Machine Learning Engineer - Reinforcement Learning

Company

Blue Yonder

Location

Paris, Île-de-France

Posted

July 12, 2026

Position Overview

About the AI Studio

The AI Studio's mission is to find the fastest possible path to an autonomous supply chain. We're developing AI agents, learning systems, training models, and more to overcome the biggest challenges remaining in the global supply chain.

In short, we are having a lot of fun.

Your Mission In This Role

We’re looking for an ambitious ML Engineer focused on LLMs, agents, and reinforcement learning to help build the training, evaluation, and tooling systems behind robust AI decision-making products.

You’ll work across LLM fine-tuning, agent environments, reward modeling, evaluations, data pipelines, and AI workflow tooling. The role is hands-on: designing experiments, shipping production code, improving model behaviour, and building the infrastructure that lets us learn quickly from both automated and human feedback.

You’ll help shape how we use LLMs inside agentic systems, how we evaluate model and agent performance, a...

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