Stefan Cosquer
CTO & Co-fondateur
Nantes, Pays de la Loire, France
Summary
👤
Senior🎓
Top SchoolStefan Cosquer is a versatile CTO and co-founder with nine years of senior experience and a long track record of hands-on engineering across web, mobile, embedded and real-time systems. Based in Nantes, he founded and leads Digital4Better while teaching at ECV Digital and contributing as an associate at Time for the Planet, blending product leadership with pedagogy and civic-minded entrepreneurship. Previously he architected solutions and built expert teams at Niji and led backend and cross-platform client development as CTO at SeeMy, demonstrating deep experience with Java, NoSQL and real-time protocols. Driven by continuous learning, he focuses on sharing knowledge and promoting more responsible digital practices, pairing a Swiss-army-knife technical breadth with intentional impact.
9 years of coding experience
7 years of employment as a software developer
Ingénieur Informatique Monétique Commerce électronique, Ingénieur Informatique Monétique Commerce électronique at ENSICAEN -Ecole Nationale Supérieure d'Ingénieurs de Caen et Centre de Recherche
English
Github Skills (30)
react10
fastest9
gatsby9
graphql9
frontend8
green-software8
compiler8
api8
sustainability8
static-site-generator8
network-tools7
css7
trace7
cisco7
analyzer6
Programming languages (3)
Github contributions (5)
digital4better/data
Jun 2023 - Feb 2025
Contributions:4 PRs, 74 pushes, 4 branches in 1 year 8 months
stefancosquer/api-sniffer
Nov 2019 - Jan 2022
A simple tool to trace API calls
Contributions:7 releases, 29 commits, 19 PRs in 2 years 2 months
apiapi-snifferpythoncallsnetwork-tools
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