Louis Ulmer

About

Louis Ulmer

ML engineer with a background in machine learning, statistics and engineering. I read research papers and ship them to production.

Focus areas

Large language models | training & inference | efficiency | state-space models | document automation
But also traveling the world, learning new languages, surfing...

Education

  • Master's in Computer Science at INSA Rouen Normandie
  • Master's in Data Science at Université de Rouen Normandie

Career

Jun 2024 — Present

Senior ML Engineer · WSD

Training reasoning LLMs with RL (GRPO, DPO) for document automation; optimizing inference pipelines; experimenting with SSMs, VLMs and long-context architectures.

Feb — May 2024

Senior AI Engineer · Thales

Research on sub-quadratic architectures and efficient transformers. Implemented Mamba, Hyena, S4, H3 and RWKV.

2020 — 2024

ML Engineer, Applied Research · Thales

Co-founded a sovereign LLM assistant using RAG; diffusion for satellite imagery; NLP tooling and semantic search on GCP.

Mar — Aug 2020

Deep Learning Intern · Thales

Implemented computer vision systems using state-of-the-art deep learning architectures.