About

Louis Ulmer

Louis Ulmer

ML Engineer with background in Machine Learning, Statistics, and Engineering. I like reading research papers and bring them to production.

Education

  • Master's in Computer Science
  • Master's in Data Science

Focus Areas

Career

Senior Machine Learning Engineer WSD Jun 2024 — Present

Training reasoning LLMs with reinforcement learning (GRPO, DPO) for document automation. Optimizing inference pipelines and experimenting with SSMs, VLMs, and long-context architectures. Building distributed training pipelines for function calling, agentic behavior, and financial document tasks.

PyTorch vLLM Triton RLHF
Senior AI Engineer Thales Feb 2024 — May 2024

Research on sub-quadratic architectures and efficient transformers. Implemented State Space Models (Mamba, Hyena, S4, H3) and RWKV to enhance LLM efficiency.

SSMs Mamba Efficient LLMs
Machine Learning Engineer — Applied Research Thales Sep 2020 — Feb 2024

Co-founded a sovereign LLM assistant library using RAG and prompt engineering. Implemented diffusion models for satellite imagery synthesis. Published research on multimodal disaster management. Built NLP tools, object detection pipelines for defense, and semantic search engines on GCP.

LLMs Diffusion RAG Computer Vision
Deep Learning Intern Thales Mar 2020 — Aug 2020

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

Deep Learning Computer Vision