Halluminate
Member of Technical Staff - Research / Post-Training
$250K–$320K
San Francisco · On-site · Staff · Full-time · Posted Jul 15, 2026
- Experience
- 5–8 years for Level 3.
- Visa sponsorship
- Visa sponsorship is offered, including H-1B.
About the job
Leads Halluminate’s model post-training and research, validates frontier models in in-house environments, and develops public benchmarks and research findings.
What you'll do
- Train open-source frontier models in in-house environments and generate research insights.
- Lead public benchmarks and leaderboards, and publish findings in blogs and papers.
- Contribute to AI tooling and data pipelines and collaborate with environment and reward designers.
What they ask for
- Experience in model post-training.
- Experience publishing papers and sharing open research.
- Familiarity with building AI agent evaluations, benchmarks, or RL.
- Strong product and user ownership; comfortable engaging with users, customers, and subject-matter experts.
Nice to have
- Former founder or experience at an early-stage startup.
Pay
$250K – $320K USD base salary
Tools
RL
AI focus
Train and post-train frontier models; build AI agent evaluations, benchmarks, and RL environments.
Model-written summary · the original posting is authoritative