Job Details

OpenAI Engineer at Known

  2026-06-30     Jack and Jill AI     San Francisco,CA  
Description:

OpenAI Engineer

As an OpenAI Engineer at Known, you will leverage frontier AI experience to build an intimate conversational matchmaking platform. You will develop real-time voice AI and personality modeling that replaces swiping with deep understanding. Joining a small, high-caliber team in San Francisco, you will directly influence a product where 80% of matches lead to real-world connections.

Location: San Francisco, USA

Why This Role Is Remarkable:

  • Work on a deeply technical challenge involving real-time voice AI and one of the most intimate conversational datasets in consumer technology.
  • Join a high-caliber team of Stanford dropouts and ex-Uber/Apple talent backed by $9.7M from top-tier VCs like Forerunner Ventures, NFX, and Pear.
  • High-autonomy, in-person culture in Cow Hollow where you avoid ticket queues and have direct product impact while benchmarking against Apple-grade craft.

What You Will Do:

  • Design and implement sophisticated matchmaking algorithms that utilize multi-modal understanding and personality modeling to facilitate meaningful human connections.
  • Build and optimize real-time voice AI systems that power the platform's core 27-minute conversational experience to ensure seamless user interaction.
  • Collaborate directly with founders and advisors like Chester Chipperfield to shape the product roadmap and technical architecture from the ground up.

The Ideal Candidate:

  • Must have direct professional experience working at OpenAI, bringing frontier knowledge of large-scale model behavior and implementation to the team.
  • Proven track record of shipping high-impact AI products, ideally within a fast-paced startup environment or high-caliber engineering team like Uber or Tesla.
  • Passionate about solving complex social problems through technology and dedicated to achieving a level of product craft comparable to elite consumer hardware brands.


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