Polymath
AI & Machine LearningDirect Ashby career site

Software Engineer

Location
San Francisco, CA (Remote) · On-site
Job type
Full-time
Level
Mid-level
Listed
30 days ago

Skills & highlights for this role

  • software engineering fundamentals
  • building robust systems
  • shipping software quickly

About the role

We’re hiring Software Engineers to build the simulation environments, tasks, and verifiers that challenge frontier models. You’ll help create the training and evaluation grounds that make it possible to measure and improve autonomous agents on realistic, challenging work.

Examples of projects you could work on include

  • Building diverse, high-fidelity environments that test agents in realistic settings
  • Designing complex tasks that require long-horizon reasoning and tool use
  • Developing robust verifiers that reliably measure agent performance
  • Improving infrastructure and tooling to run, debug, and improve environments
  • Working closely with the research team to identify failure modes and turn them into new tasks and benchmarks

You’ll be a good fit if you

  • Have strong engineering fundamentals
  • Enjoy building from first principles and solving open-ended technical problems
  • Have high agency and a strong bias toward shipping
  • Have a high quality bar and care about building robust systems

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.

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. We've raised >$8M from Base10, Founders Future, Y Combinator, and other incredible investors & angels.

Read the original posting

From Polymath's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

Rolev.ai is a job search and application tool for US job seekers. For this Software Engineer role at Polymath, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.

  • See how you fit

    Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.

  • Tailor without inventing

    Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.

  • Draft the full kit

    Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.

  • 1-Click Extension Autofill

    The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.

Common questions

Where is the Software Engineer job at Polymath located?

Yes, this Software Engineer opening at Polymath is listed as San Francisco, CA (Remote) (On-site). Always check Polymath's application page for specific state eligibility or relocation policies.

What qualifications are required for Software Engineer at Polymath?

For the Software Engineer role, Polymath highlights experience with software engineering fundamentals, building robust systems, shipping software quickly. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Software Engineer position at Polymath?

This listing links directly to Polymath's Ashby application page. You can apply directly on Polymath's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Ashby application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.