AI Research Engineer

About the role

About PostHog PostHog is your product’s context layer. It ingests and stores your analytics, errors, replays, and business data so you and your agents can query and act on it. We launched out of Y Combinator's W20 cohort . We've since shipped more than a dozen products, including: A suite of analytics and observability tools, including product analytics , replay vision , AI observability , and error tracking PostHog MCP for users and their agents to query and act on their product and business data Data warehouse so users can query product and customer data together using custom SQL insights. W

Requirements

• A PhD is a plus, but a strong background in math is a must, or you have previous experience training models (strong math skills are still required).
• Strong PyTorch experience.
• Strong ability to code in Rust, CUDA, or C (with a preference for Rust).
• Solid understanding of Transformers (not the movies).
• A product mindset. you’ll be building things!
• This is a unique role within PostHog and, as such, is a hybrid-remote position based out of our London office.
• Pure theoretical expertise: this is not a Jupyter notebook job.
• Someone who just wants to do research and publish. Yes, you can publish, but shipping takes priority.