Founding Machine Learning Engineer
About the Role
This is a founding ML engineering role at an early-stage AI startup, where you will own the machine learning function from day one. Working closely with founders and researchers, you will shape the technical direction of post-training pipelines, agent systems, and the broader ML roadmap as the team scales.
What You'll Do
Structure, filter, and score experimental trajectories for training data pipelines.
Design and implement evals and benchmarks that measure model reasoning, planning, and experimental improvement.
Build reliable agent environments, tool interfaces, observability systems, and replay infrastructure.
Establish robust validation and provenance tracking for trajectory and data quality.
Set ML roadmap priorities across systems, experiments, and hiring decisions.
Lead the technical direction of the ML team as it grows.
What We're Looking For
3 or more years in machine learning engineering roles with a track record of delivering production ML systems.
Hands-on experience with post-training data pipelines, including structuring, fil
