Member of Technical Staff - Platform Engineering

## About Halluminate Halluminate 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, 5 days in office Own platform engineering, develop frontier long-horizon RL environments, and help build our engineering org from the ground up. ## Responsibilities - Build our RL environment training and inference infrastructure to support customer usage at scale. - Research and develop next-generation RL environments — increasingly realistic, long-horizon, and difficult for frontier models. - Build software that 10–100x's the quality and throughput of RL environment creation. - Innovate on synthetic data pipelines to create realistic problems. - Build platform analytics for environment cost, hours, bottlenecks, and SME management. - Craft domain-specific verifiers (verifiable rewards for decks, Excel modeling, quantitative trading, and beyond). - Establish engineering culture and practices from the ground up. ## You should have - Familiarity building evaluations, benchmarks, or RL for AI agents. - Startup speed: iterate quick, ask quick, respond quick, make mistakes quick. - Strong product and user ownership; ability to prioritize across a large roadmap. - Client-facing comfort — you'll talk to users, customers, and SMEs. ## Nice to have - Research background (training models, publishing papers). - 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.