HillClimb AI hires after YC F25 raise
HillClimb AI — a DeepMind/quant‑founder YC F25 team — raised 'serious cash' and is hiring in SF with in‑person requirements, signaling an immediate compute ramp. The in‑market hiring and frontier lab investor mix usually precedes big GPU needs. (x.com)
The Founding Engineer job posting explicitly lists responsibilities to "build RL environments" and "own training infra end-to-end." (ycombinator.com) Jun Park and Ibrakhim Ustelbay are named founders; the launch post says Park left esports to join DeepMind as a research engineer before founding hillclimb. (ycombinator.com) Y Combinator identifies hillclimb as a Fall 2025 company with a current team size of four and a San Francisco headquarters. (ycombinator.com) The YC listing names Garry Tan, "Tier 1 VCs," and angels from OpenAI, Anthropic, DeepMind, xAI and Meta Superintelligence Labs as backers on the company's page. (ycombinator.com) The Founding Engineer role is posted at $200K base with 1.00% equity, marked full-time and San Francisco–based with US visa restrictions noted. (ycombinator.com) Hillclimb states it partnered with Nous Research and claims it achieved state‑of‑the‑art results on math tasks after graduating YC. (ycombinator.com) The company website lists talent@hillclimb.com as the contact for applicants and shows an active "Join Our Team" page. (hillclimb.com)
