Member of Technical Staff - Research / Post-Training

About Halluminate

Data and RL environments to automate knowledge work

The role

## About HalluminateHalluminate is an applied AI and data company building computer-use and tool-use RL gyms to train AI agents on real financial services work — Excel modeling, pitch decks, and everything investment banking, private equity, and hedge funds rely on. We work with frontier labs, graduated from Y Combinator (S25), and raised a seed round to scale the team.## The role**Base:** $200–275k · **Equity:** 0.15–0.30% · **Location:** San Francisco, in-personLead 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.