Victor Haffreingue
Junior Cyber Security Engineer at N26
France
Summary
🤩
Rockstar🎓
Top SchoolVictor Haffreingue is a Junior Cyber Security Engineer based in France with 12 years of hands-on experience spanning full-stack development and security roles. Currently at N26, he blends a strong engineering foundation—master’s in computer graphics and honours in mathematics and computer science—with practical backend and frontend experience from startups and agencies. He has contributed to high-profile open-source tooling like GitHub’s official CLI, improving PR merge UX and JSON outputs for checks, which reflects his focus on secure, developer-friendly workflows. His background includes building crowdfunding legal platforms and enterprise websites, giving him a pragmatic view of product, privacy, and risk trade-offs. Colleagues know him as a continual learner who applies mathematical rigor to debugging and threat analysis. That mix of production coding, security focus, and active open-source contributions makes him a versatile engineer able to bridge developer and security teams.
12 years of coding experience
3 years of employment as a software developer
San José State UniversityMaster's degree, Computer Graphics, Valedictorian, Master's degree, Computer Graphics, Valedictorian at EFREI - Ecole Française d'Electronique et d'InformatiqueBachelor's degree, Mathematics and Computer Science, With honours, Bachelor's degree, Mathematics and Computer Science, With honours at Université Paris-Est Marne-la-Vallée
English, French
Stackoverflow
2,812reputation
256kreached
37answers
54questions
Github Skills (15)
github-cli10
git10
go10
cli10
testing9
go-testing9
json8
brackets6
vim6
expression6
javascript6
jquery6
python6
sublime-text-plugin6
sublime-text6
Programming languages (17)
Github contributions (5)
cli/cli
Oct 2023 - Jan 2025
GitHub’s official command line tool
Role in this project:
Back-end Developer
Back-end DeveloperContributions:14 reviews, 6 PRs, 5 pushes in 1 year 2 months
Contributions summary:Victor primarily contributed to the `gh cli` tool's merging functionality for pull requests. Their work involved modifying the command-line interface to display the owner and repository in merge prompts and output messages. This included updating tests to reflect these changes. Further, the user implemented JSON output for PR checks, and added support for the `stateReason` field in the `gh pr view` command.
golangcommand-line-toolgocommand-linecli
nobe4/girssa
Jun 2022 - Nov 2022
Github RSS Action
Contributions:10 releases, 10 reviews, 248 commits in 5 months
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