Platform Engineer for Frontier RL Environments (Startup)

Halluminates; San Francisco (CA); On-site; USD 215,000 - 275,000; Full time

Benefits offered by this job

Healthcare

Relocation stipend

401(k) match

Free meals

Gym membership

Transportation assistance

Visa sponsorship

Job summary

Halluminate is building frontier RL environments and benchmarks to advance AI in knowledge work. The role owns platform engineering, enabling scalable RL environments, and helping shape the engineering org from the ground up.

The position involves building scalable RL infrastructure, researching next-generation environments, and delivering 10–100x improvements in environment creation. SF-based, 5 days in office with relocation support.

Qualifications

• Familiarity with evaluating benchmarks or RL for AI agents.
• Ability to move fast in a startup environment.
• Strong product and user ownership; prioritize roadmap.
• Excellent client-facing communication.

Responsibilities

• Build RL environment training and inference infrastructure for customer usage at scale.
• Research and develop next-generation RL environments with realism and long horizon.
• 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, and beyond).
• Establish engineering culture and practices from the ground up.

Skills

RL for AI

Startup mindset

Product ownership

Client-facing

Job description

Halluminate is building frontier RL environments and benchmarks to advance AI in knowledge work. The role owns platform engineering, enabling scalable RL environments, and helping shape the engineering org from the ground up.

The position involves building scalable RL infrastructure, researching next-generation environments, and delivering 10–100x improvements in environment creation. SF-based, 5 days in office with relocation support.