Hadrien Cornier

Leading a 7-person product engineering team spanning AI, Data, and Fullstack. Owning hiring and mentoring engineers, including training the team on agentic coding workflows for AI-assisted development. Driving publisher partnerships and sales/customer-success optimization to expand distribution and accelerate growth.

Led R&D efforts redesigning core ML recommender system end-to-end, increasing revenue by 20%. Optimized ML system, saving $1M annually by reducing computational cost by 7x.

Worked on the AI powering hundreds of job boards in the US. Delivered millions in savings by decreasing latency by 25%. Merged inference strategies into a single system, which improved CTR by 15%.

R&D for a Bayesian computer vision pipeline for visual industrial anomaly detection. Engineered full redesign for the control system of a network of thousands of sensors.

Designed and deployed 2 production models for company payroll estimation and resume valuation, owning the models end-to-end.

Wrote a Haskell transpiler of Quipper into aQasm for the quantum computing team working on the Atos Quantum Learning Machine (Atos QLM), a quantum computer simulator.

Assisted the regional commander with a report on organized crime.

Negotiation and Leadership

Master of Science - MS, Data Science, Statistics, Machine Learning

Master of Science - MS, Computer Science and Applied Mathematics

#1 French engineering school, ranked 34th at the entrance exam

Top Classes préparatoires scientifique in France (MPSI - PSI*), Mathematics, Physics, Computer Science

Intensive preparation for the highly competitive entrance exams to the grandes écoles

Scientific Baccalauréat - Option Mathematics

In senior year, spent 8 months in a team of 6 preparing for the French submission to the International Physicist Tournament.