
Prompt Engineer (M/W/NB)
- Paris
- CDI
- Temps-plein
- Participating in the scoping and design of AI-driven game features;
- Ensuring the technology is accessible and usable by different departments;
- Guaranteeing prompt content consistency across environments by testing how changes impact performance (error correction, divergence detection, rewording and clarification), while aiming to optimize latency and cost;
- Helping define and promote best practices for prompt engineering and supporting teams in implementing them;
- Contributing to the creation of both manual and automated test scenarios in collaboration with QA and AI teams;
- Analyzing bugs and feedback, identifying those related to prompt content, and suggesting improvements;
- Helping identify and test new machine learning models, as well as designing tools to support their use;
- Staying up to date on the latest in prompt engineering and AI research.
- Passionate about video games, with at least one prior experience in a tech company;
- Proven experience designing prompts for various tasks and across multiple providers. You’re familiar with concepts like agents and function calling, reasoning strategies, chain/tree of thought approaches, zero-shot & few-shot learning, and retrieval-augmented generation (RAG);
- Solid understanding of several language models (GPT-4, Gemini, Claude, Qwen, SentenceBERT, Llama, Mistral, etc.) and their key differences;
- Fluent in both English, written and spoken (French is a plus). You are also known for your strong writing skills;
- Strong listening and comprehension skills, with the ability to translate user needs into clear specifications;
- Capable of adapting your analysis and communication style to reach a wide range of stakeholders;
- Independent and curious by nature.
- Programming skills (Python, C#, etc.) and experience working with AI APIs;
- Experience in narrative content creation (dialogue, quests, world-building) and/or role-playing games;
- A good understanding of video game design principles.
- Flexible working hours and the possibility to work remotely up to two days per week, in accordance with Ubisoft’s remote work policy;
- 20 days of remote work per year from a European Union country (eligibility limited to EU citizens);
- Our internal e-learning platform to finally train on the tools you’ve always wanted to master;
- Our game library where you can borrow the latest Ubisoft titles, competitor games, consoles, and board games;
- Our works council (CSE) offering discounted rates on a wide range of shows, cinemas, concerts, gyms, amusement parks, and many other great deals.
- You’ll have a career and development plan established with your manager, along with clear goals to help you grow each year;
- You’ll have joined one of our clubs: choir, yoga, tennis, lightsaber… or even created your own!
- You’ll enjoy your 1.5-hour lunch break by taking a class in our gym or borrowing one of our bikes for a ride in the Bois de Vincennes;
- You’ll be looking forward to the next surf/yoga or ski weekend organized by the CSE;
- You’ll have become unbeatable at foosball, climbing, Just Dance, or Boomerang Fu;
- You’ll have raided the internal sale to complete your collection of Ubisoft goodies and games (because you can never have too many).