Idler | Saywise

Idler | Saywise

Idler

Open roles

Offensive Security RL Researcher
Idler
San Francisco, CA
On-site · Mid-level
$200k–$500k
No visa sponsorship
Y Combinator
Posted 23d ago
Offensive Security RL Researcher
Idler
San Francisco, CA
On-site · Mid-level
$200k–$500k
Ashby
Posted 23d ago
Special Projects Operator
Idler
San Francisco, CA
$125k–$400k
No visa sponsorship
Y Combinator
Posted 61d ago
Special Projects Operator
Idler
San Francisco, CA
On-site
$125k–$400k
Ashby
Posted 61d ago
Research Engineer
Idler
San Francisco, CA
On-site · Junior
$125k–$400k
No visa sponsorship
Y Combinator
Posted 72d ago
Research Engineer
Idler
San Francisco, CA
On-site
$125k–$400k
Ashby
Posted 387d ago

About

Idler

Hill-climb any benchmark, for any model, in any domain, using our RL environments.

Idler is a frontier data research lab. We build the evals and environments that the world's leading frontier labs use to measure and train their models.

Private company Seed Recently raised YC S25Brand new

Founded2025

HQSan Francisco, United States

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© 2026 Lifebook LLC

Size

11–50 employees

IndustrySoftware Development

Latest fundingSeed · Aug 21, 2026

Investors

Tech stacknodejs, redis, claude-code, amazon-web-services, codex, postgresql, cursor, microsoft-typescript, vercel, react, slack, python, ashby, typescript

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