Guillaume Grasset
Associé Fondateur
Cowansville, Quebec, Canada
Summary
👤
Senior🎓
Top SchoolGuillaume Grasset is a cyber-security leader and founder with over 15 years of experience translating complex security challenges into pragmatic, auditable solutions across startups and large enterprises. As Associé Fondateur of Pineau & Grasset and former Strategic Security Advisor and DevSecOps consultant at National Bank of Canada, he blends hands-on development and architecture skills with deep expertise in DevSecOps, SSO/SAML/OAuth, and secure API design. He has a proven track record designing security controls, risk mitigation strategies, and scalable authentication/session systems while guiding teams through standards, integration patterns, and solution reviews. A bilingual engineer with strong analytical instincts, he moves fluidly between low-level technical details (cryptography, session hardening) and high-level security posture assessments. His open-source contributions include enhancing an SPA-aware web crawler, underscoring practical experience with dynamic application scanning and automation. Outside of consulting, his background as a developer and systems architect gives him uncommon empathy for implementation trade-offs and maintainable security design.
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
Stackoverflow
311reputation
5kreached
5answers
1question
Github Skills (16)
unit-testing10
url-parsing10
unit-test10
python10
html-parser10
testing10
web-application-security9
javascript9
angularjs6
memory-leaks6
puppeteer6
google-chrome6
mime-types6
single-page-application6
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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