Founding Backend Engineer — AI-Native, Scalable Systems

Niulix is seeking a founding engineer to own the most critical backend systems across platforms used by 150k+ users, including B2C, B2B and mobile apps.

You will oversee anti-fraud, automated QA, and high-volume payout workflows, maintain scalable architecture, and ship fast with reliability.

Required: a proper prépa, a full 3-year engineering degree from top institutions (Polytechnique, Centrale, Mines, ENS or Paris-Saclay), plus French-speaking.