AI & Agents
Ruben Marcus
Last updated 2026-08-15 · benchmark measured 2026-08-15 — deterministic & reproducible
Portfolio and hire page for Ruben Marcus, an AI fullstack engineer based in Lisbon.
Is Ruben Marcus production-ready?
Legit.Show scores Ruben Marcus 68 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Ruben Marcus (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 41/100
- Accessibility — 97/100
- Security — 45/100
- Privacy — 25/100
- Reliability — 100/100
- Standards — 76/100
- Discoverability — 90/100
What we measured
- Security headers present: HSTS.
- No Content-Security-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 215 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- No privacy policy found.
- Sets cookies / loads scripts with no consent prompt.
Who built it
Ruben Marcus (@rubenmarcus_dev)
Who it's for
Companies hiring for AI engineering · Teams building agent systems · Businesses needing AEO optimization · Startups prototyping AI products · Organizations seeking frontend modernization
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