Quentin Leffray
Lead AI Engineer at BCG X
Rennes, Brittany, France
Summary
👤
Senior🎓
Top SchoolQuentin Leffray is a Lead AI Engineer based in Rennes with 13 years of experience building and deploying AI and distributed systems at scale. At BCG X he has progressed from AI Software Engineer to Lead, specializing in MLOps, software and data architecture, DevOps automation, and agentic system engineering across cloud platforms (AWS/Azure/GCP) using Rust, Python, Kubernetes and SQL. He combines hands-on engineering with strategic AI transformation for clients, translating research and models into resilient production services. Earlier roles at Kpler and SEPAGE gave him deep experience in real-time data aggregation and backend systems, while his teaching background reflects a knack for mentoring and clear technical communication. Quentin’s profile hints at pragmatic curiosity: he moves fluidly between low-level performance work (speech synthesis, real-time systems) and high-level orchestration of AI pipelines. He brings a rare blend of production-grade software craftsmanship and systems thinking to complex AI deployments.
13 years of coding experience
8 years of employment as a software developer
EpitechSummer Session, Economics, Summer Session, Economics at University of California, BerkeleyComputer Science; Information Technology, Computer Science; Information Technology at California State University-Long Beach
Github Skills (75)
analytics-tracking10
github-api9
api9
management9
lxml9
xsd9
packaging9
blockchain9
ethereum9
bitcoin9
tax9
cryptocurrencies8
golang8
python8
accounting8
Programming languages (6)
Github contributions (5)
fiahil/AoC
Dec 2018 - Dec 2024
Contributions:64 pushes, 1 branch in 6 years
fiahil/dotfiles2
Mar 2019 - Oct 2024
Fiahil's dotfiles, new version
Contributions:2 PRs, 69 pushes, 9 branches in 5 years 7 months
dotfileszsh
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