Fonzi

Senior AI Engineer

Who can apply: Only open to applicants in: New York.
Location as listed by the employer: “New York City”
Apply on Fonzi's site ↗

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About this role

Fonzi is hiring for a Senior AI Engineer role (full-time). See the official posting for full details.

Requirements

  • Real AI shipping experience: You've built and deployed AI/LLM features to production with actual users for 1+ years
  • Full-stack engineering capability: Strong proficiency in TypeScript, React, and Next.js - able to contribute across the stack
  • Prompt engineering expertise: Deep understanding of how to make LLMs do what you want reliably
  • Product mindset: You care about user experience, not just technical implementation
  • Proven ability to navigate trade-offs: Experience choosing between models based on cost, latency, quality, and use case
  • Research-to-production pipeline: Comfortable moving from experimentation to scaled implementation
  • Startup experience: Thrived in fast-moving environments where you own problems end-to-end

Summarized from the employer's posting — check the full posting for every requirement.