Grégoire Lionnet
Scaling Crawling Exa
Singapore
Summary
👤
Senior🎓
Top SchoolGrégoire Lionnet is a seasoned software engineer and team leader with 12 years of experience building large-scale distributed systems, crawlers, and search infrastructure, now leading Crawling at Exa to power next-generation AI-driven search. He has a proven track record at Ahrefs designing and shipping a production-grade Site Audit crawler and architecting the Yep search engine from scratch, combining hands-on C++ systems work with strategic technology choices and custom databases. Comfortable at the intersection of product and engineering, he partners closely with executives and data science teams to turn research-scale compute into production data pipelines. Based in Singapore, he brings a mix of enthusiasm and deep technical involvement that accelerates teams and projects, and his early work in OCaml hints at a strong foundation in functional programming and security-aware engineering.
12 years of coding experience
6 years of employment as a software developer
EpitechBaccalauréat scientifique, Mathématiques, Baccalauréat scientifique, Mathématiques at Lycée camille guerinInformation Technology Project Management, Information Technology Project Management at Technological University Dublin
Github Skills (18)
apl9
ocaml9
multicore9
gleam9
idris9
dub9
directory-tree8
ppx8
lwt8
dune8
opam7
compiler7
slack-bot6
api5
json4
Programming languages (2)
Github contributions (5)
cryptosense/w3c-crypto-inspector
Aug 2014 - Aug 2014
Contributions:7 commits, 1 comment in 25 days
ahrefs/ocaml-elastic
Dec 2021 - Apr 2022
Contributions:2 pushes in 4 months
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