OpenAI Engineer at Known

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Job Title: OpenAI Engineer

Company Description: Known - Seed-stage AI startup backed by Forerunner Ventures and NFX

Job Description:
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.

Who are Jack & Jill?
Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps
Step 1. Visit our website.
Step 2. Click 'Talk to Jack'.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs
This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.
Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.