Staff Engineer, Evaluation Systems

Liquid AI in San Francisco is seeking a Member of Technical Staff - Evaluations to own the internal eval suite and its impact on post-training decisions. You will work closely with the Post-Training team to design, implement, and run reliable benchmarks for real-world model behavior. You will release open-source evals, publish findings, and help scale evaluation across teams, ensuring reproducibility, contamination checks, and transparent reporting in a hybrid work environment.