Antoine Chaffin
R&D Machine Learning Engineer at LightOn
Rennes, Brittany, France
Summary
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Rockstar🎓
Top SchoolAntoine Chaffin is an R&D Machine Learning Engineer with eight years of experience bridging academic research and product-focused ML, currently improving information retrieval and text generation systems at LightOn. He holds a PhD in Computer Science awarded the 2024 ATALA thesis prize for work on multimodal models to detect image repurposing and combat misinformation, developed in collaboration with IMATAG and IRISA. Skilled across software engineering, AI, IT security and system architecture, he combines hands-on development with scientific rigor and teaching experience gained as a TA and visiting researcher. Comfortable rapidly evaluating and adopting new technologies, he excels at communicating complex ideas to technical and non-technical audiences. An early interest in impactful projects fuels his focus on building practical multimodal solutions that matter in real-world information integrity.
8 years of coding experience
1 year of employment as a software developer
Engineering degree, Computer Engineering, Engineering degree, Computer Engineering at INSA Rennes - Institut National des Sciences Appliquées de RennesPhD, Computer Science, 2024 ATALA thesis award, PhD, Computer Science, 2024 ATALA thesis award at Rennes UniversityM2 Science Informatique (SIF) (Research master in Computer Science), Recherche informatique, Highest honour, M2 Science Informatique (SIF) (Research master in Computer Science), Recherche informatique, Highest honour at Université de Rennes 1Computer Engineering, Computer Engineering at Polytechnique Montréal
French, English, German
Github Skills (77)
transformers10
language-model10
sentence10
python10
flax10
deep-learning10
multilingual10
prompt-tuning10
transformer10
nlp10
visual-question-answering10
jax10
sentence-embeddings10
seq2seq10
tensorflow10
Programming languages (5)
Github contributions (5)
NohTow/PPL-MCTS
Nov 2021 - Oct 2022
Repository for the code of the "PPL-MCTS: Constrained Textual Generation Through Discriminator-Guided Decoding" paper, NAACL'22
Contributions:39 commits, 33 pushes, 1 branch in 11 months
bertgpt-2nlptransformers
lightonai/pylate
Aug 2024 - Apr 2025
Late Interaction Models Training & Retrieval
Contributions:10 reviews, 23 PRs, 108 pushes in 7 months
colbertinformation-retrievallanguage-modelrag
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