16 days ago
Saint-Mandé, FranceSenior
Responsibilities
- Design, train, deploy, optimize, and monitor machine learning models for player safety and security use cases.
- Apply research in deep learning, NLP, anomaly detection, graph learning, and LLMs to production systems.
- Own projects end to end by collaborating with stakeholders, defining success metrics, monitoring live systems, and iterating.
- Write and ship high-quality Python code and scalable prediction pipelines using model versioning, observability, and other MLOps practices.
- Collaborate with data and software engineers to deliver models and pipelines on internal or public cloud infrastructure.
Requirements
- Strong Python software engineering skills, including clean code, testing, documentation, and CI/CD.
- Proven experience deploying and monitoring production machine learning models, including MLOps, model serving, and drift monitoring.
- Hands-on NLP or LLM experience, such as fine-tuning transformer models, prompt engineering, RAG, or LLM-based pipelines.
- Experience with distributed data processing using Spark and cloud data platforms.
- Knowledge of anomaly detection or fraud and trust and safety systems in production.
- Strong communication skills and mandatory English proficiency for presentations, collaboration, and reporting.
- Experience with graph-based machine learning, including GNNs, is preferred.
- Experience with token classification, named entity recognition, sequence labelling, GNN training, node classification, link prediction, or graph construction pipelines is preferred.
- Familiarity with Databricks, DAB, Delta Live Tables, or Azure-specific services is preferred.
Benefits
- Permanent, office-based position in Saint-Mandé, with work flexibility stated as office-based.
- 25 paid time-off days plus 12 additional paid days off.
- Profit sharing and a yearly company savings plan.
- 50% of the transportation pass paid by the company and €9-per-day lunch vouchers.
- Healthcare coverage for the employee and family.
- 20 weeks of maternity leave and 7 weeks of paternity/co-parental leave.
- Gym available in the building and additional Ubisoft perks.
Tech Stack
Categories
About Ubisoft
Ubisoft develops and publishes video games for console, PC, and mobile players worldwide, monetized through premium titles, downloadable content, live services, and the Ubisoft+ subscription. Founded in 1986 and headquartered in Saint-Mandé, France, it operates studios globally and is publicly traded on Euronext Paris. Franchises include Assassin ’s Creed, Far Cry, Tom Clancy’s Rainbow Six, and Just Dance.