Archived listing. This role was posted over 30 days ago and is no longer accepting applications. We keep it for reference, but the employer may have already filled it. See today's verified listings.

fractile.ai - AI hardware, backed by Founders Fund - London (UK) - Onsite

HN Hiring Remote

Posted 01 Jul 2026
Last seen 03 Aug 2026
Location Remote
Lifecycle mature
Grade D

hn-hiring

ABOUT FRACTILEFractile was founded in 2022 on the bet that, eventually, the world’s most capable AI systems would be limited in their impact by the amount of time they take to produce useful outputs. We bet everything on the logical conclusion: that the only way to truly unlock this latent value, to make speed viable at scale, was to radically re-invent the hardware that we run our frontier AI models on. Ever since, we have been building chips and systems that tackle this problem: how to generate output at thousands of tokens per second, while handling the complexity and capacity challenges of operating large models at very long contexts.We’ve recently raised $220M from Founders Fund and Accel and the most important work lies ahead. Come and join the mission!THE ROLEAs a Software Engineer you will be a core part of our technical team working alongside the hardware, software and research teams to solve cutting-edge problems in AI hardware, ranging from verification to simulation, alongside the best of the best (DeepMind, Apple, Meta…).ABOUT YOU1) You have exceptional ability. We look for pivotal IC contributions that solved the hardest problems in big tech companies or hedge funds; competitive hackathons, International Olympiad medals, or rank highly in other competitions like advent of code2. You are a top engineer. We are not looking for specific languages or technologies - you will be a master of several, you excel at algorithmic skills and solving problems logically in any programming language. And you are very comfortable learning new skills on the fly. You like to work in Python and C++3. It’s likely you have several years of professional experience, but we will make exceptions for the right candidate4. You want to work with the best. And you are excited to work in chips, solving the hardest problems at the frontier of AIWHAT WE OFFER1. Competitive compensation and meaningful equity2. A very cool office with London's best views3. Private medical insurance and pension benefitsIf this sounds like you, ping [email protected]

Apply for this role