Live opening · Posted 9 days ago
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About the role
Description supplied by the original job listing.
As a founding engineer you own some of the most critical systems in the company.
Multiple platforms with 150K+ users collecting data: B2C, B2B, mobile app, internal.
Anti-fraud and automated QA systems. You own the quality of what we deliver every day.
Heavy backend, keeping architecture and ops efficient as we scale to 1M+ users.
Payout systems moving daily high volumes of money across 100+ countries.
Live production serving multiple top 5 AI companies, hard deadlines and specs.
Required
Completed a proper prépa (2-year preparatory class) AND a full 3-year engineering degree at Polytechnique, CentraleSupélec, Les Mines, ENS, or Paris-Saclay
French-speaking (mandatory)
Fully AI-native workflow: orchestrates multiple agents/tasks in parallel (3-4 windows)
Proactive communicator, not introverted — surfaces problems/ideas immediately
Hands-on agentic coding ability: modern agentic tools (Claude Code, Codex, GStack, Hermes-style agent frameworks) as core workflow
Work arrangement
No
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