Grégoire Piffault
Senior Software Engineer at Numexma
Rouen, Normandy, France
Summary
👤
Senior🎓
Top SchoolGrégoire Piffault is a Senior Software Engineer based in Rouen with 10 years of experience building and architecting production systems for clients ranging from startups to large enterprises. He founded and scaled Pysae as CTO, taking a SaaS transit operations product from 0 to €1M ARR, and now focuses on architecture, development and maintenance at Numexma. Trained as an engineer at UTC with a master's in urban planning, he blends transport modelling insight with pragmatic software delivery to prioritize low-effort, high-impact improvements. Known for listening closely to stakeholder needs, he turns complex operational constraints into actionable roadmaps and strategic projects. Grégoire’s background in transport forecasting and SaaS productization means he’s equally comfortable with domain-specific optimisation and end-to-end engineering execution.
10 years of coding experience
12 years of employment as a software developer
Master 2, Urban Planning, Master 2, Urban Planning at Aalborg UniversityIngénieur, Ingénieur at Université de Technologie de Compiègne (UTC)
French, English
Stackoverflow
101reputation
13kreached
5answers
0questions
Github Skills (83)
tiles10
opencv10
python10
image-processing10
mapbox-gl10
geojson10
gevent10
quart10
deep-learning10
twisted10
3d10
aiohttp10
openstreetmap10
javascript10
tornado10
Programming languages (10)
Github contributions (5)
gpiffault/mapbox-gl-js
Dec 2018 - Jun 2019
Interactive, thoroughly customizable maps in the browser, powered by vector tiles and WebGL
Contributions:2 pushes, 2 branches in 6 months
browserwebglmapboxmapbox-gljavascript
gpiffault/attestation-deplacement-derogatoire-q4-2020
Nov 2020 - Nov 2020
attestation-deplacement-derogatoire-q4-2020 public
Contributions:11 pushes, 3 branches in 25 days
derogatoireattestation-deplacementdeplacementattestation
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