Demo

Member of Technical Staff - Engineering

Polymath
San Francisco, CA Full Time
POSTED ON 4/14/2026
AVAILABLE BEFORE 10/10/2026

About Polymath

Polymath is an applied research lab focused on advancing long-horizon agent capabilities through reinforcement learning. We design and scale simulation environments where agents learn to operate safely and autonomously. We work with the world’s leading model labs to push the frontier of agent capabilities. Polymath is backed by Base10, Founders Future, Y Combinator, and other incredible investors & angels. We've raised an $8M seed, and are growing out our founding team.


About the role

We’re hiring a Member of Technical Staff - Engineering to build the infrastructure and systems that power our environment simulation products. You’ll work on the technical foundation that makes it possible to train and evaluate autonomous agents in complex, realistic environments. You’ll be a member of the founding team and should expect to wear multiple hats. While this role is engineering-leaning, we’re looking for people who are energized by hard technical problems and excited to operate at the intersection between engineering and research. Examples of projects you could work on include:

  • Developing an advanced environment simulation engine for training & evaluating autonomous AI agents
  • Building scalable infrastructure to run thousands of simulation environments in parallel
  • Optimizing the performance of complex, stateful simulation environments
  • Tooling to collect data at scale, and improve environment and task creation processes
  • Publishing research


You’ll be a good fit if you:

  • Have strong engineering fundamentals and are a prolific user of AI tools
  • Have experience with infrastructure, containerization, and networking
  • Have experience with large scale distributed systems and data systems


Perks:

  • 🪷 Comprehensive health, dental, and vision insurance
  • 🏦 401(k)
  • 🌎 Unlimited PTO
  • 🍽 Free meals with the team
  • 🧘 Wellness stipend & learning stipend
  • 💻 Top of the line tech
  • 🌁 Frequent team activities and outings


Culture:

  • Polymath is a team of researchers, engineers, and operators focused on advancing the frontier of safe, superintelligent AI agents.
  • We have a flat organizational structure. We believe that people do their best work when they’re self-motivated and driven by a desire to learn, contribute to the team’s goals, and advance scientific progress.
  • We’re looking for folks who ship fast, set high standards for themselves, and are great team players. You’ll be a member of our founding team: have fun, learn a lot, and do high-impact work alongside great people.


Salary.com Estimation for Member of Technical Staff - Engineering in San Francisco, CA
$102,018 to $125,197
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