Job Description

Founding Machine Learning Engineer

Posted by Transparent Search Group on behalf of Known

About Known

Known is building an AI-powered social platform that creates personalized AI companions and predicts human compatibility. The company works with an ultra-personal dataset combining voice transcripts, images, and structured user data.

Website: https://www.known.is

About the Role

We're looking for founding machine learning engineers to continue to design and build Known's core systems intelligence, driving our recommendation engine and agentic systems. This is a unique opportunity to work with an ultra-personal data-set, combining voice transcripts, images, and structured user data to create both personalized AI companions as well as predict human compatibility. You'll work directly with Chen Peng, former head of ML at Uber Eats and Faire.

What you'll do

It's up to you to decide what part of the ML stack you're most excited about working on. This could be:

• Training and deploying ML models that form the core of our recommendation engine
• Designing evals to assess recommendation ability and RL systems to learn from results data
• Building personalization and long-term memory systems into Known's conversational AI
• Using LLMs to enhance our suite of user-facing AI Agents

You will own the end-to-end lifecycle of your models, from ideation and training to deployment and iteration.

Compensation & Terms

• Base salary: $200K – $375K
• Workplace: On-site in San Francisco, CA
• Employment type: Full-time

Hiring Manager

Aden Solomon — Highly engaged (Top 10% of hiring managers on Paraform). Time to first action: 27 hours.

How to apply

Apply directly through this listing. Transparent Search Group will respond within 48 business hours to qualified candidates.