Quentin Le Sceller
Staff Software Engineer at Coinbase
Montreal, Quebec, Canada
Summary
🤩
Rockstar🎓
Top SchoolQuentin Le Sceller is a Staff Software Engineer based in Montreal with 11 years of experience building secure, distributed systems and blockchain infrastructure. He holds a MASc in Information Systems Security and has applied that expertise across cryptography, cybersecurity, Bitcoin/Blockchain, big data and machine learning in both research and production roles. Quentin progressed from core developer contributions to the Mimblewimble Grin project to backend engineering at BlockCypher and now leads engineering work at Coinbase, demonstrating a sustained focus on privacy-preserving crypto protocols and resilient backend services. His open-source work includes hardening and extending Grin’s miner and node code—adding secure stratum support, client-side tooling and REST API improvements—highlighting a practical commitment to reliability and protocol-level detail. Independent and rigorous, he combines academic depth with hands-on systems engineering and a knack for turning complex cryptographic ideas into maintainable, production-ready software.
11 years of coding experience
10 years of employment as a software developer
Master of Applied Sciences Information Systems Security, Master of Applied Sciences Information Systems Security at Concordia UniversityBaccalauréat Scientifique Section Européenne - Mention Très Bien, Baccalauréat Scientifique Section Européenne - Mention Très Bien at Lycée Bellevue - SaintesClasse Préparatoire aux Grandes Ecoles - MPSI/PSI, Classe Préparatoire aux Grandes Ecoles - MPSI/PSI at Lycée Michel de Montaigne - BordeauxGeneral engineer Engineering and Management of Complex Systems, General engineer Engineering and Management of Complex Systems at Ecole des Mines d'Alès
French, English, Spanish, Portuguese
Stackoverflow
11reputation
542reached
1answer
0questions
Github Skills (24)
python10
apidoc10
back-end-development10
django10
cryptocurrency10
mining10
api10
cryptography10
blockchain10
rest-api10
rust10
stratum10
mib9
im9
nimble9
Programming languages (17)
Github contributions (5)
blockcypher/explorer
Nov 2019 - Nov 2022
Block explorer showcasing the BlockCypher APIs.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:55 commits, 50 PRs, 70 pushes in 3 years
Contributions summary:Quentin primarily contributed to the back-end of the BlockCypher explorer, focusing on bug fixes and updates. They addressed issues related to data display, such as coinbase transactions. The user also updated the project to Django 3.x and made configuration adjustments. Furthermore, they made various improvements, including fixing search functionality and updating copyright information, indicating a focus on the core functionality and maintenance of the application.
blockchainblock-explorerexplorerblockcypher
mimblewimble/grin
Dec 2017 - Jul 2022
Minimal implementation of the Mimblewimble protocol.
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 releases, 53 reviews, 193 commits in 4 years 7 months
Contributions summary:Quentin contributed significantly to the Grin cryptocurrency project by implementing and enhancing core back-end features. Their work focused on adding client-side functionality, including chain status display and client commands. Additionally, the user modified and extended the REST API, incorporating handlers for peer management, and addressing various aspects of the codebase, such as fixing a typo and handling memory pool operations.
cryptographyrustprotocolmimblewimblecryptocurrency
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.