Jean-françois Vial
Lead Formateur & Référent Technique
Montpellier, Occitania, France
Summary
🤩
Rockstar🎓
Top SchoolJean-françois Vial is a senior developer and "unicorn tamer" with 13+ years building full‑stack web platforms, developer tooling and open-source GIS/transportation solutions from Montpellier, France. He combines hands‑on engineering (Node.js, PHP, Docker, CI, NoSQL) with architecture, hosting/ops and product thinking to ship MVPs and scale production systems. As a former CTO and technical architect he has led R&D, agile teams and platform builds for startups and enterprises, including realtime mobile/desktop services for property search. He mentors and trains teams and founders through consulting and teaching roles, helping with pivots, fundraising prep and service design. An active open‑source contributor, he improved node-gtfs to better handle local GTFS data and projection fixes—reflecting a deep practical grasp of transit data and spatial tooling. His background blends autodidactic curiosity, maker/IOT interests and a knack for translating complex data (OpenData, WebSIG) into usable products.
13 years of coding experience
13 years of employment as a software developer
Autodidact Sensei, Computer Sciences - Option webdev, Autodidact Sensei, Computer Sciences - Option webdev at The Autodidactic School Of Computer Sciences and Hack - Planet Earth
French, English, Italian
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (14)
nodejs10
javascript10
gtfs10
sqlite10
api8
geojson8
apidoc8
unzip7
socket-io6
react-state-management6
mongodb6
mongodb-database6
getusermedia6
react6
Programming languages (7)
Github contributions (5)
BlinkTagInc/node-gtfs
Jul 2015 - Jul 2015
Import, validate, query, and export GTFS Schedule and Realtime data with SQLite, PostgreSQL, and MySQL.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 5 PRs, 3 comments in 1 day
Contributions summary:Jean-françois primarily focused on enhancing the functionality of the node-gtfs project. They addressed licensing issues, refactored code to allow the use of local GTFS files and directories as data sources, and integrated the ability to correct the projection of coordinates in the dataset. Further contributions included fixing empty coordinate values, and switching from cloudmade to CartoDB.
gtfsmysqlpostgresqlsqlitenode-gtfs
j33f/node-docker-container
Nov 2017 - Sep 2022
Contributions:70 pushes, 4 branches in 4 years 10 months
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