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Fleuret AI

Fleuret automates penetration testing of applications, APIs and infrastructure using AI agents. Its platform helps businesses continuously detect, demonstrate and fix vulnerabilities.

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Founding Engineer (open scope)

  • Contract type not specified
  • Paris, Paris
  • Other
  • Published 28/10/2026

Fleuret AI recherche un Founding Engineer à Paris pour contribuer à l’infrastructure, à Hortense, au benchmark harness ou à l’agent stack. Le poste offre un périmètre ouvert au sein de l’équipe fondatrice et demande au moins cinq ans d’expérience dans la mise en production de systèmes de bout en bout.

Information about Fleuret AI
Sector
Software and internet
Model
B2B
Company type
Venture-backed
Stage
Startup early-stage
Headquarters
Paris
Official domain
fleuret.ai
Founded
2026 · 0 years
Published headcount
10 employees
Latest funding round
Seed · 2026-10-01
Amount announced
4 000 000 $
Open jobs
7

Investors mentioned

  • RAISE Ventures
  • Auriga Cyber Ventures
  • Wind Capital
  • Better Angle
  • RAISE
  • Alexandre Andreini
  • Eric Fourrier
  • Georges Lotigier

Job details

The full description published by Fleuret AI.

View original job listing ↗

Founding Engineer (open scope)Pick your wedge: infra, Hortense, benchmark harness, or the agent stack itself. Highest-agency seat on the team.Likely background: 5+ years shipping production systems end-to-end. You'd join the founding team.

Requirements

  • shipping production systems end-to-end

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