About Yohann
French
Native or bilingual
English
Fluent
Experience
- FreelanceFreelance AI Engineer & ResearcherJanuary 2025 - Today (1 year and 5 months)Paris, FranceFreelance: Providing services in data science and machine learning, focusing on predictive modelling, AI applications, and analytics. Leveraging prior experience in data science and AI projects for global clients (more info in my bio).Side project: Developing and deploying automated trading strategies, from quant research to production-ready systems.
- C3 AISenior Data ScientistSOFTWARE PUBLISHINGApril 2022 - October 2024 (2 years and 6 months)Paris, FranceKey responsibilities:- Delivered Data Science projects as both individual contributor and team lead- Designed and implemented new ML features tailored to client needs- Reported project progress and outcomes to internal and client stakeholders- Mentored and supported junior team members in their growthTypical projects are long-term collaborations with Fortune 500 companies, including:- Deployment of C3 AI Predictive Maintenance application for a major cement producer, improving asset reliability and reducing downtime- Development of a Supply Network Risk application for a leading medical device manufacturer, predicting supply chain delays and enabling proactive mitigation
- Zelros 3 ansLead Research ScientistBANKING AND INSURANCENovember 2021 - April 2022 (5 months)Paris, France- Medical selection for credit insurance and monitoring (metrics, distributions of X & y, data drift, continuous integration, continuous improvement of the model), in production ML (tools: Docker, Flask, Jenkins, Azure, github, Airflow)- open source our research project for data drift detection and mitigation: https://github.com/zelros/cinnamon- Semantic search engine: sentence embedding (sentence-transformers, Siamese network, pretrain models).- Research topics in NLP: related to QA and search engine (transformers, question answering, question generation, large model training with T5, BERT, BART). Responsible of Zelros contribution to the LinT0 project.- ML explanability, Responsible AI: focus on Consistent AI (outlier detection, confidencescore, confidence & prediction intervals, counterfactual examples, causality). Integration of some responsible AI features in Zelros autoML.- Beneficiary clauses (automation of the processing of clauses): entity recognition (spaCy, Flair),data labelling (doccano), heuristics, industrialization with API (Flask).- Participate to Data science Olympics organization- Technical communications (autoML, model explanability)
Recommendations
Be the first to recommend Yohann
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Doctor of Philosophy - PhDUniversité Pierre et Marie Curie2019Doctor of Philosophy - PhD
- Master's degree inÉcole normale supérieure de Rennes2015Master's degree in