RL Research Scientist (Evaluator)

About Contrario:
Contrario is a leading data provider building high-quality human-in-the-loop datasets for foundational AI labs and robotics companies.
We’re backed by Y Combinator, Nexus Venture Partners, senior researchers from OpenAI and DeepMind, and former partners at Hudson River Trading, alongside Stanford affiliates.

Job Description:
Design evaluation protocols, sanity-check benchmarks, and label subtle RL failure cases.

Required Qualifications:

• PhD-level ML/RL expertise.

• Strong understanding of reward models.

• Critical evaluation mindset.

Preferred Qualifications:

• Published RL research.

• Benchmark design experience.