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Ingénieur Data Science - Génération de données synthétiques - Stage - H/F

Courbevoie, IDF, fr💼 Full-time🗓 2026-09-03 → 2026-09-26

Core

Design and improve methods for generating synthetic datasets to train small language models (SLMs) and AI agents, focusing on structured expert process knowledge.

Role type

Intern Data Scientist (Synthetic Data Generation)

Builds

Synthetic datasets, prototypes, and evaluation metrics for SLM training and AI agent development.

Domain

Generative AI, Data Engineering, Industrial Systems (Nuclear, Energy)

Deliverable

production ML models | product features

Required skills

Python development, Data APIs, Data schemas, Data validation, Data pipelines, LLM agents, Tool calling, Synthetic data, Active learning, Git, Docker

Preferred skills

RLHF, Post-training evaluation, PyTorch

Responsibilities

Analyze reference data pipelines to identify quality and coverage improvements; Design or enhance data generation methods using teacher models, counterfactual scenarios, or active sampling; Represent states, actions, tool calls, and reasoning traces; Anchor synthetic traces in expert feedback and deterministic tool results; Evaluate data quality, diversity, difficulty, and utility for downstream training; Deliver a reproducible prototype, dataset sample, and recommendations.

Seniority

Intern (End of studies)

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