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Wael Ben Zid El GuebsiEngineering leader in platform, security & AI

10+ years building and scaling products, infrastructure and engineering teams, at Meta, in regulated fintech, and in high-traffic marketplaces. I also build open-source tools that make secure engineering the easy path.

Wael Ben Zid El Guebsi

Selected impact ​

ResultWhat it was
3.8× more scams caughtFacial-recognition defences against celebrity-bait scams at Meta, at over 95% precision
10× less computeFor that same system, after reworking its matching pipeline
1 day → 15 minMean time to detect incidents on Meta's monitoring platform (time to recover: 6h → 1h)
$8.7MRevenue protected by catching slow-burn revenue loss for monetisation teams
3 min → 12 sLocal test feedback in a fintech monorepo, while growing the suite from 9 to 2,400 tests
24h → 15 minTime for a listing to go live at Dubizzle, after a 10× faster feed scheduler

Full experience →

Open source ​

I build developer tools around one idea: secure engineering should be the easy path.

ProjectWhat it doesStatus
malware-detectorCatches backdoors and supply-chain attacks before they ship✅ Released
SecureVaultPasswords and .env secrets, encrypted on your machine. No cloud, no account✅ Released
sentinelEvery security scanner, one report and one pass/fail🔜 Next up
agentaintFinds where AI agents can be hijacked or leak personal data🚧 In progress
jellyfishSmall, stacked pull requests, for humans and AI agents🚧 In progress
10xengOne toolkit from code to production and back🚧 In progress

About the projects →

Help me ship more of this

Sponsorship lets me spend more time on these tools and release the ones still in progress. Sponsor on GitHub ❤

Let's talk ​

I'm open to engineering leadership roles, security and platform consulting, and a few mentoring spots, working remotely with teams anywhere. See how we can work together →