Guillaume Grasset
Associé Fondateur
Montreal, Quebec, Canada
Summary
👤
Senior🎓
Top SchoolGuillaume G is a seasoned cybersecurity leader and founder, bringing 15 years of security-focused experience after an IT engineering degree. Based in Montreal, he serves as Associé Fondateur at Pineau & Grasset Firme-conseil, guiding security strategy and delivery for clients across financial services and complex digital platforms. His career spans senior architectural and advisory roles at Delve Labs, Desjardins, and the National Bank of Canada, where he has built and secured APIs, SSO solutions, MFA, and enterprise authentication ecosystems. On the technical side, he contributed to the htcap web application scanner as a full-stack developer, strengthening URL handling, HTML parsing, and DOM probing for a dynamic crawler. He combines hands-on full-stack expertise with security tooling, Docker-based deployments, and scalable architectures to deliver auditable, production-ready solutions. An active open-source contributor to web security tooling, he brings a rare blend of technical depth and entrepreneurial leadership to turn complex requirements into practical outcomes.
11 years of coding experience
12 years of employment as a software developer
DEUG, Math and informatics applied on science, DEUG, Math and informatics applied on science at CNEDBaccalauréat, Mathematics, Baccalauréat, Mathematics at Lycée St Louis Saint-ÉtienneMultimedia graphics specialist title (3rd level), Multimedia graphics specialist title (3rd level) at AFPA Cannes-la-boccaBachelor of Engineering (B.Eng.), Information Technology engineering, Bachelor of Engineering (B.Eng.), Information Technology engineering at École de technologie supérieure (ETS)
French, English
Github Skills (15)
unittesting10
unit-testing10
unittest10
unit-tests10
unittests10
htmlparser210
url-parsing10
unit-test10
python10
htmlparser10
testing10
web-application-security9
javascript9
javascripts9
front-end-development6
Programming languages (7)
Github contributions (5)
fcavallarin/htcap
Jan 2017 - Feb 2017
htcap is a web application scanner able to crawl single page application (SPA) recursively by intercepting ajax calls and DOM changes.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:11 commits, 10 PRs, 33 comments in 13 days
Contributions summary:Guillaume primarily contributed to the core functionality of the `htcap` project, a web application scanner. Their work focused on enhancing the crawler's capabilities, particularly in handling URLs and HTML parsing, including the implementation of `<base>` tag support and correct URL formatting using `urljoin`. They also introduced features to control DOM element removal in the probe environment. These contributions demonstrate a focus on the project's core web crawling and scanning logic.
web-applicationspa-single-page-applicationsingle-pageajaxable
delvelabs/htcap
Feb 2017 - Mar 2018
Contributions:177 commits, 26 PRs, 176 pushes in 1 year 1 month
web-applicationrecursivespa-single-page-applicationsingle-pageajax
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