Thierry Parmentelat
Research Engineer at Inria
Valbonne, Provence-Alpes-Côte d'Azur, France
Summary
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RockstarThierry Parmentelat is a research engineer with 13 years of experience based in Valbonne, France, working at Inria on developer-facing tooling and reproducible computational workflows. He contributes actively to notable open-source projects such as RISE (interactive Jupyter reveal slides) and jupytext, where he has improved front-end UX and maintained compatibility across JupyterLab major versions. Thierry blends full‑stack and front-end skills to deliver practical features—like cell-selection behavior in live presentations and configurable lab extensions—that smooth everyday data-science workflows. His work shows a strong attention to developer experience and backward-compatible maintenance, often tackling subtle UX bugs and cross-version integration challenges. Colleagues would describe him as a pragmatic engineer who translates research needs into polished, usable tools.
13 years of coding experience
English
Stackoverflow
109reputation
15kreached
3answers
6questions
Github Skills (20)
javascript10
reveal-js10
typescript10
jupyterlab10
jupyterlab-extension10
typescript-types10
jupyter-notebook10
typescripts10
version-control8
python8
markdown7
markdown-it7
html6
gitlab6
systemd-nspawn6
Programming languages (23)
Github contributions (5)
damianavila/RISE
Mar 2017 - Jan 2023
RISE: "Live" Reveal.js Jupyter/IPython Slideshow Extension
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2 reviews, 289 commits, 60 PRs in 5 years 10 months
Contributions summary:Thierry implemented and refined features for the RISE Jupyter/IPython slideshow extension. They added functionality to select and focus specific cells upon returning from reveal mode. They introduced an auto-select feature configurable through the `livereveal` metadata, allowing users to select the first cell, or first code cell in a slide. The user also addressed various bugs and improved the overall functionality and user experience of the extension.
ipythonjupyterreveal-jsslideshow
jupytext/jupytext
Dec 2019 - Oct 2025
Jupyter Notebooks as Markdown Documents, Julia, Python or R scripts
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:6 reviews, 8 PRs, 111 comments in 5 years 10 months
Contributions summary:Thierry's contributions primarily involve updating the JupyterLab extension for the `jupytext` project. They made significant changes to the `labextension/src/index.ts` file, adapting the code to work with both JupyterLab 3 and 4, indicating expertise in managing compatibility across different versions. Furthermore, the user made updates to the `jupytext/version.py` file, marking specific version releases and providing configuration tools for JupyterLab to work with different doctypes.
juliajupyter-notebookmarkdownpythonrscript
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