Member of Technical Staff - Research / Post-Training

The Role

Base: $250-320k * Equity: 0.20-0.35% * Location: San Francisco, in-person

Lead our in-house research and post-training efforts.

Responsibilities

• Train open-source frontier models on our in-house environments to validate quality and build research insights.
• Lead our public-facing benchmark and leaderboard efforts for frontier models.
• Publish findings in blogs and papers to share with the broader research community.
• Contribute to core platform engineering as needed - AI tooling, data collection pipelines, partnering with environment and reward designers.
• Build our engineering team culture from the ground up.

You Should Have

• Experience in model post-training.
• Experience publishing papers and sharing open research.
• Familiarity building evaluations, benchmarks, or RL for AI agents.
• Startup speed: iterate quick, ask quick, respond quick.
• Strong product and user ownership.
• Client-facing comfort - you'll talk to users, customers, and SMEs.

Nice to Have

• Former founders or experience at early-stage startups.

What We Offer

• Healthcare - Fully covered medical, dental, and vision for you. Subsidized for dependents.
• Relocation - $10k+ relocation stipend to help you get to San Francisco.
• 401(k) - Up to 4% employer match.
• Food - Free breakfast, lunch, and dinner while working.
• Health - Free gym membership.
• Transportation - Free Ubers and Waymo rides to and from the office.
• Visa sponsorship - We sponsor visas, including H-1B.