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Salary
$54k – $65k per year
Location
Hybrid (France)
Employment
Freelance

First seen by Alion on Aug 31, 2026.

Overview
Company
Impact
Profile match
Storm Group is a French IT services company serving banking, insurance and finance clients with technology projects and digital transformation.

Dans le cadre de l'optimisation de ses solutions d'IA générative, un grand compte recherche un Prompt Engineer pour concevoir, tester et industrialiser les prompts qui pilotent ses applications basées sur les LLM.

Le consultant interviendra notamment sur :

▪  La création et l'optimisation de prompts pour améliorer la qualité des réponses des applications IA (classification, catégorisation, génération, extraction)

▪  La conception de stratégies de prompting avancées : few-shot, chain-of-thought, ReAct, Plan & Execute

▪  L'évaluation systématique des prompts : jeux de test, métriques de qualité, analyse des échecs

▪  La constitution et la maintenance de bibliothèques de prompts versionnées et documentées

▪  L'adaptation des prompts aux différents modèles utilisés et à leurs évolutions

▪  La collaboration avec les équipes métier pour traduire leurs besoins en instructions efficaces

▪  La contribution aux bonnes pratiques et à l'acculturation des équipes

Profil recherché

Profil recherché :

▪  Bac+3 à Bac+5, profil technique ou hybride (linguistique, métier + appétence technique)

▪  Pratique confirmée et démontrable des LLM et du prompt engineering

▪  Compréhension du fonctionnement des modèles de langage et de leurs limites

▪  Esprit d'analyse : capacité à évaluer rigoureusement la qualité des sorties et à itérer

▪  Excellentes qualités rédactionnelles

▪  La connaissance de Python et des APIs LLM est un plus apprécié

Technologies utilisées :

LLM (Claude, GPT, Mistral, Gemini) · Techniques de prompting (few-shot, chain-of-thought, ReAct) · Frameworks d'évaluation de prompts · Python (notions) · APIs LLM · Outils de versioning de prompts · RAG (notions) · Copilot Studio / plateformes low-code IA

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