Machine learning engineer & solo founder
Oliver
Perrin
I’m the ML engineer at a stealth startup and the founder of LiminalML, a SaaS company I run solo.
My work is in NLP, multi-task learning, and post-training. I also write about the models I build and the ideas behind them.
Read my writing
My work
Stealth startup
ML engineer
I own the ML work: model development, evaluation, inference, and integration. The company is pre-launch, so I keep the product details private.
ExperienceFounder & solo builder
LiminalML
I founded LiminalML to build software for learning and explaining machine learning. I design, build, and run the company myself.
LoRA update space
Change the adapter rank to see its outputs expand from a line to a plane to a volume.
A three-output toy model with fixed synthetic inputs. It shows the adapter correction, not trained model activations.
Open in StudioPreparing the interactive visual…
Published on LiminalML
Writing
Implementation notes, explanations,
and things I learned the hard way.
On the side
LexiMind
My open-source research project, started as an undergraduate. I’m exploring shared representations and adaptation for language tasks with a custom PyTorch transformer.
The repository also has a book-discovery app. Its content-based recommendations run separately from the research model.
Independent projects
Open source
PlayAxis
Find events, follow teams, log training, and connect with people who play.
React / FastAPISartheAtlas
Explore Le Mans cars and the circuit through interactive engineering studies and maps.
Three.js / MapLibrePulse
A local dashboard for coding-agent usage, subscription allowances, and reset times.
Electron / Node.js