Founding Member of Technical Staff - Platform Engineering

Halluminate, Inc

$200K — $275K *
Enterprise Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Familiarity with building evaluations, benchmarks, or reinforcement learning (RL) for AI agents.
  • Ability to iterate and adapt quickly in a startup environment.
  • Strong product and user ownership skills, with experience in prioritizing a large roadmap.
  • Comfortable with client interactions, including discussions with users, customers, and subject matter experts.

Responsibilities

  • Build RL environment training and inference infrastructure for scalable customer usage.
  • Research and develop next-generation RL environments that are realistic and challenging.
  • Create software that significantly improves the quality and speed of RL environment creation.
  • Innovate synthetic data pipelines to develop realistic problem scenarios.
  • Build analytics for environment costs, usage hours, bottlenecks, and subject matter expert management.
  • Craft domain-specific verifiers for various applications such as quantitative trading.
  • Establish a strong engineering culture and practices from scratch.

Benefits

  • Fully covered medical, dental, and vision insurance for employees, with subsidies for dependents.
  • Relocation stipend of over $10k to assist with moving to San Francisco.
  • 401(k) plan with an employer match of up to 4%.
  • Complimentary meals (breakfast, lunch, and dinner) during work hours.
  • Free gym membership to promote employee wellness.
  • Free transportation options, including Ubers and Waymo rides for commuting.
  • Visa sponsorship support, including for H-1B visas.
Full Job Description
The role

Base: $200-275k • Equity: 0.25-0.5% • 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.

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