Demo

Research Engineer

Fonzi AI
York, NY Full Time
POSTED ON 11/12/2026
AVAILABLE BEFORE 12/11/2026

Fonzi is an AI recruiting company powering the hiring behind NYC and SF's top startups.


Compensation

  • Typical base: $175K to $260K
  • 13 of 55 research and ML roles top out at $300K
  • Salary is on the request before your first call. Many roles include equity.


Who's hiring

  • 19 research and ML roles open in NYC, 35 in SF, at AI labs and applied AI startups
  • 140 startups from pre-seed to late stage, backed by YC, a16z, Sequoia, General Catalyst and Founders Fund
  • 85% are pre-seed to Series A, so teams are small and you own real scope


Who we're looking for

  • 3 years training, evaluating or post-training models
  • PyTorch or JAX, and distributed training or inference
  • RL, evals, fine-tuning or agent harnesses
  • Papers, open source or shipped models you can point to
  • You live in or near NYC or SF and want hybrid or onsite


What you could work on

  • Post-training and evals at AI labs
  • Model work inside applied AI products
  • Training and inference infrastructure


How it works

  • Apply in 5 minutes.
  • We text you, learn what you want, and sharpen your profile.
  • Startups send interview requests with a salary bid. You choose who to meet. It's free.


Salary : $175,000 - $260,000

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